Group details
Materials Research Lab
Group Name:
Materials Research Lab
Dept. of Physics; Tezpur University
Group Details:
Our research expertise is focused on different properties of conducting polymer
nanostructures and polymer electrolytes. The work involves synthesizing and characterizing
of conducting polymer-based nanostructures and nanocomposites for biomedical and sensing
applications. Studies on electrical and thermal transport properties of conducting polymer
nanostructures are also in our domain of research. The group is also focusing on developing
polymer electrolytes-based on ionic liquids and layered silicates for applications in
rechargeable batteries. Modification of conducting polymer nanostructures and polymer
electrolytes upon Swift Heavy Ion Irradiation is one of our research interests.
Research Interests:
1. Conducting Polymer Nanostructures.
2. Polymer Electrolytes based on Ionic Liquids and Layered Silicates.
3. Swift Heavy Ion Irradiation Effects.
Faculty:
Prof. Ashok Kumar
Department of Physics
Tezpur University
E-mail: ask@tezu.ernet.in
Tel.: +91 3712 275553
Website: http://www.tezu.ernet.in/dphy/staff/fac_home/ask.html
Details of Projects (ongoing and completed):
Sponsored Ongoing Projects
Period Sponsoring
Organisation
20132016
DAE-BRNS
20112015
UGC-DAECSR-Indore
Project Title
Amount of
Grant
(in lakhs)
Development of biologically functionalized
24.7075
conducting polymer nanostructures for
biosensing applications.
Electrical and Thermal Transport in
7.5
Conducting Polymer nanostructures
Sponsored Completed Projects
Period Sponsoring
Organization
20112014
20102013
UGC
F.40-445/
2011(SR)
IUAC
20092013
MoES
20092012
DST
20082011
IUAC
20092011
AICTE
20062009
UGC
F.31-7/
2005(SR)
20022009
MoES
20022005
20012004
IUAC
20002002
UGC
F.10-53/
2001(SR-I)
DST
Project Title
Amount of
Grant
(in lakhs)
Development of novel Polymer-silicate
12.85253
nanocomposite electrolytes for lithium ion
rechargeable batteries.
Effect of Swift heavy ion irradiation on
electrical and thermal transport of
6.03
conducting polymer nanostructures.
Estimation of Crustal Deformation and
32.988
Tropospheric Precipitable Water Vapour
content in Northeastern India using GPS
measurements.
Development of conducting polymer based
37.502
nanocomposites for actuator, chemical and
biosensor applications.
Swift heavy ion irradiation effects on
conducting polymer and polymer electrolyte
3.33
nanocomposites
for
multifunctional
applications.
Development of conducting polymer
2.00
nanocomposites based high performance
microactuators for robotic applications.
Development
of
Novel
Composite
5.237
Polymeric
Insertion
Electrodes
and
Investigation of swift heavy ion irradiation
effects on them for application in
rechargeable lithium batteries.
Studies of kinematics and crustal structure
89.04
of Meghalaya-Assam-Arunachal region
(89.5-92.5oE, 25-28oN).
Swift heavy ion irradiation effects on ionic
2.61
conduction in polymer electrolytes.
Development of conducting polymer
5.5706
electrodes
for
all
polymer
redox
supercapacitors.
Development of PAFC and MCFC H2-O2
2.357
fuel cells.
Achievements:
Papers published in international journals:
1. J. Hazarika and A. Kumar, Electric modulus based relaxation dynamics and ac
conductivity scaling of polypyrrole nanotubes, Synth. Met. 198 (2014) 239–247.
2. Prakash Barman, Jagat Dwipendra Ray, Ashok Kumar, J.D. Chowdhury & Kahsyap
Mahanta, Estimation of present-day interseismic deformation in Kopili fault zone of
northeast India using GPS measurements, Geomatics, Natural Hazards and Risk (in
press). DOI: 10.1080/19475705.2014.983187
3. Sujata Pramanik, Jayanta Hazarika, Ashok Kumar, Lipika Aidew, Alak K. Buragohain
and Niranjan Karak, Green Silver Nanoparticles Decorated Multiwalled Carbon
Nanotube- A Precursor for Fabrication of Multifunctional Biobased Sustainable
Nanocomposites, ACS Sustainable Chemical Engineering (in press). DOI:
10.1021/sc500332t
4. Chandrani Nath, Ashok Kumar, Yung-Kang Kuo and Gunadhor Singh Okram, High
Thermoelectric Figure of Merit in Nanocrystalline Polyaniline at low temperatures,
Appl. Phys. Lett. 105(13) (2014) 133108.
5. P. Chutia and A. Kumar, Temperature and magnetic field dependent electrical transport
studies of poly (3, 4 ethylenedioxythiophene) nanoparticles, J. Nanoparticles Res.
16:2617 (2014). DOI: 10.1007/s11051-014-2617-6
6. Rajiv Borah, Somik Banerjee and A. Kumar, Surface functionalization effects on
structural, conformational and optical properties of polyaniline nanofibers, Synth. Met.
197 (2014) 225–232.
7. Paragjyoti Chutia, Ashok Kumar, Electrical transport and morphological studies of
polyaniline nanostructures, Polymer Engineering and Science (in press). DOI
10.1002/pen.23967.
8. A. K. Nath and A. Kumar, Enhancement of electrochemical properties of nanocomposite
polymer electrolytes by 100 MeV Si9+ swift heavy ion irradiation, Ionics 20 (12) (2014)
1711-1721.
9. J. Hazarika and A. Kumar,, Enhanced ac conductivity and dielectric relaxation properties
of polypyrrole nanoparticles irradiated with Ni12+ swift heavy ions, NIM B 333 (2014)
73–79.
10. J. Upadhyay and A. Kumar, Investigation of structural, thermal and dielectric properties
of polypyrrole nanotubes tailoring with silver nanoparticles Composites Science and
Technology, 97 (2014) 55-62.
11. A. K. Nath and A. Kumar, Scaling of AC conductivity, electrochemical and thermal
properties of ionic liquid based polymer nanocomposite electrolytes, Electrochim. Acta,
129 (2014) 177-186.
12. P. Chutia and A. Kumar, Electrical, optical and dielectric properties of HCl doped
polyaniline nanorods, Phyisca B 436 (2014) 200-207.
13. J. Upadhyay, A. Kumar, B. Gogoi, A. K. Buragohain, Biocompatibility and Antioxidant
activity of polypyrrole nanotubes, Synthetic Metals, 189 (2014) 119–125.
14. J. Hazarika and A. Kumar, 160 MeV Ni12+ ion irradiation effects on structural, optical
and electrical properties of spherical polypyrrole nanoparticles, Nucl. Instr. & Meth. B
318 (2014) 269-275.
15. A. K. Nath and A. Kumar, Swift heavy ion irradiation induced enhancement in
electrochemical properties of ionic liquid based PVdF-HFP-layered silicate
nanocomposite electrolyte membranes, J. Membrane Sci. 453 (2014) 192-201.
16. Somik Banerjee, Dimpul Konwer and A. Kumar, Polyaniline nanofiber reinforced
nanocomposite based highly sensitive piezoelectric sensors for selective detection of
hydrochloric acid: Analysis of response mechanism, Sensors & Actuators: B. Chemical
B 190 (2014) 199– 207.
17. Jayanta Hazarika, Chandrani Nath and A. Kumar, SHI irradiation induced enhancement
in structural, conformational and electrical properties of polyaniline nanofibers, Rad. Eff.
Def. Sol., 169(1) (2014) 30-40.
18. P. Chutia, Chandrani Nath and A. Kumar, Dopant size dependent variable range hopping
conduction in polyaniline nanorods, Appl. Phys. A 115(3) (2014) 943-951.
19. Pramanik, Sujata; Barua, Nilakshi; Buragohain, Alak; Hazarika, Jayanta; Kumar, Ashok;
Karak, Niranjan, "Bio-Functionalized MWCNT: A Reactive Component for the in-situ
Polymerization of Hyperbranched Poly(ester amide) and Delving into its Bio-Physico
Interfacial Properties", The Journal of Physical Chemistry C 117 (47) (2013) 25097–
25107.
20. Smritimala Sarmah and A. Kumar, Electrical and optical studies in Polyaniline
nanofiber-SnO2 nanocomposites, Bulletin of Materials Science 36(1) (2013) 31-36.
21. A. K Nath and A. Kumar, Ionic Liquid based Polymer Electrolyte dispersed with
Dedoped Polyaniline Nanorods for Rechargeable Batteries, Solid State Ionics, 253
(2013) 8-17.
22. J. Upadhyay and A. Kumar, Engineering polypyrrole nanotubes by 100 MeV Si9+ ion
beam irradiation: Enhancement of antioxidant activity, Materials Science and
Engineering C, 33(8) (2013) 4900-4904.
23. Chandrani Nath, A. Kumar, Kun-Zai Syu, Yung-Kang Kuo, Heat conduction in
conducting polyaniline nanofibers, Appl. Phys. Lett., 103 (2013) 121905.
24. Chandrani Nath and A. Kumar, Fractal like charge transport in polyaniline
nanostructures, Physica B: Physics of Condensed Matter 426 (2013) 94-102.
25. J. Upadhyay and A. Kumar, Structural, thermal and dielectric studies of polypyrrole
nanotubes synthesized by reactive self degrade template method Materials Science and
Engineering B, 178 (2013) 982-989.
26. J. Hazarika and A. Kumar, Controllable synthesis and characterization of Polypyrrole
nanoparticles in Sodium Dodecylsulphate (SDS) micellar solutions, Synth. Met., 175
(2013) 155–162.
27. Sujata Pramanik, Jayanta Hazarika, Ashok Kumar, Niranjan Karak, Castor oil based
hyperbranched poly(ester amide)/polyaniline nanofiber nanocomposites as antistatic
materials, Indl. & Engg. Chem. Res., 52 (2013) 5700-5707.
28. Smritimala Sarmah and A. Kumar, Tuneable transport properties of Swift heavy ion
irradiated PEDOT-DBSA/SnO2 nanocomposites, Rad. Eff. Def. Sol. 168(6) (2013) 450–
459.
29. J. Upadhyay, B. Gogoi, Ashok Kumar and A. K. Buragohain, Diameter dependent
antioxidant property of polypyrrole nanotubes for biomedical applications, Materials
Letters 102–103 (2013) 33–35.
30. A. K. Nath and A. Kumar, Ionic Transport Properties of PVdF-HFP-MMT Intercalated
Nanocomposite Electrolytes based on Ionic Liquid, 1-Butyl-3-Methylimidazolium
Bromide, Ionics 19 (2013) 1393 –1403.
31. M. Deka, A. Kumar and P. Chutia, Electrical and electrochemical properties of
poly(methyl methacrylate) based nanocomposites gel polymer electrolytes dispersed
with dedoped (insulating) polyaniline nanofibers, Ionics 19 (2013) 1367-1374.
32. A. Kumar and Somik Banerjee, Swift heavy ion irradiation induced structural, optical
and conformational modifications in conducting polymer nanostructures, Adv. Mat. Lett.
4(6) (2013) 433-437.
33. M. Deka and A. Kumar, Dielectric and conductivity studies of 90 MeV O7+ ion
irradiated poly(ethylene oxide)/montmorillonite based single ion conductor, J. Solid
State Electrochem. 17(4) (2013) 977-986.
34. Chandrani Nath and A. Kumar, Effect of temperature and magnetic field on the electrical
transport of polyaniline nanofibers, J. Appl. Phys. 113 (2013) 093707.
35. Chandrani Nath and A. Kumar, Doping level dependent space charge limited conduction
in polyaniline nanoparticles, J. Appl. Phys. 112 (2012) 093704.
36. Somik Banerjee and A. Kumar, Relaxation and charge transport phenomena in
polyaniline nanofibers: Swift heavy ion irradiation effects, J. non-crystalline solids 358
(22) (2012) 2990–2998.
37. J. Hazarika, Chandrani Nath and A. Kumar, 160 MeV Ni12+ ion irradiation effects on
dielectric properties of polyaniline nanotubes, Nucl. Instr. & Meth. B 288 (2012) 74-80.
38. Somik Banerjee, Dimpul Konwar and Ashok Kumar, Polyaniline nanofiber reinforced
nanocomposite coated quartz crystal microbalance based highly sensitive free radical
sensor, Sensors and Actuators B 171-172 (2012) 924- 931.
39. P. Mahesh, J.K. Catherine, V.K. Gahalaut, Bhaskar Kundu, A. Ambikapathy, Amit
Bansal, L. Premkishore, M. Narsaiah, Sapna Ghavri, R.K. Chadha, Pallabee Choudhary,
D.K. Singh, S.K. Singh, Subhash Kumar, B. Nagarajan, B.C. Bhatt, R.P. Tiwari, Arun
Kumar, Ashok Kumar, Harsh Bhu, S. Kalita, Rigid Indian plate: Constraints from GPS
measurements, Gondwana Res. 22 (3-4) (2012) 1068-1072.
40. Sujata Pramanik, Niranjan Karak, Somik Banerjee, Ashok Kumar, Effects of solvent
interactions on the structure and property of prepared PAni nanofibers, J. Appl. Polym.
Sci. 126(3) (2012) 830-836.
41. Ashok Kumar and Madhuryya Deka, PEO/P(VdF-HFP) blend based Li+ ion-conducting
composite polymer electrolytes dispersed with dedoped (insulating) polyaniline
nanofibers, J. Solid State Electrochem. 16 (1) (2012) 35-44.
42. M. Deka, A. Kumar, H. Deka and N. Karak, Ionic transport studies in hyperbranched
polyurethane/clay nanocomposite gel polymer electrolytes, Ionics 18 (2012) 181-187.
43. Kashmiri Deka, Smritimala Sarmah and A. Kumar, Study of Dielectric and Thermal
Properties of Polyaniline-Barium Titanate Nanocomposite, Intl. J. Nanotechnology and
Applications 5(4) (2011) 477-484.
44. M. Deka and A. Kumar, Transport and Electrochemical Properties of PEO/Clay based
Nanocomposite Gel Polymer Electrolytes, Intl. J. Nanotechnology and Applications 5(4)
(2011) 461-469.
45. Smritimala Sarmah and A. Kumar, Transport Properties of Swift Heavy ion Irradiated
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
PEDOT-DBSA/SnO2 Nanocomposites, Intl. J. Nanotechnology and Applications 5(4)
(2011) 451-459.
Smritimala Sarmah and A. Kumar, Photocatalytic activity of polyaniline-TiO2
nanocomposites, Ind. J. Phys. 85(5) (2011) 713-726.
A. Kumar and Chandrani Nath, Electrical Transport in Conducting Polymer
Nanostructures, Intl. J. Nanotech. and Appl. 5(4) (2011) 395-406.
Somik Banerjee and A. Kumar, Swift heavy ion irradiation induced modifications in the
optical band gap and Urbach's tail in polyaniline nanofibers, Nucl. Instr. & Meth. B 269
(2011) 2798–2806.
A. Kumar and Smritimala Sarmah, AC conductivity and dielectric spectroscopic studies
of polypyrrole-titanium dioxide hybrid nanocomposites, Phys. Stat. Sol. A 208 (9) (2011)
2203-2210.
Somik Banerjee and A. Kumar, Dielectric spectroscopy for probing the relaxation and
charge transport in polypyrrole nanofibers, J. Appl. Phys. 109 (2011) 114313.
Somik Banerjee and A. Kumar, Swift heavy ion irradiation induced structural and
conformational changes in polypyrrole nanofibers, Rad. Eff. Def. Sol., 166 (8-9) (2011)
598-605.
A. Kumar and Somik Banerjee, Swift heavy ion irradiation: a novel technique for
tailoring the size of polyaniline nanofibers, Intl. J. Nanoscience (World Scientific
Publishing Co.) Vol. 10 (1-2) (2011) 161-165.
M. Deka and A. Kumar, Electrical and electrochemical studies of PVdF-Clay
nanocomposite gel polymer electrolytes for Li-ion batteries, J. Power Sources 196
(2011) 1358–1364.
A. K. Nath, M. Deka and A. Kumar, Ionic Conduction and Phase separation studies in
P(VdF-HFP)- (PC+DEC)-LiClO4-dedoped Polyaniline Nanofiber Composite Polymer
Electrolytes-II: Effect of incorporation of PC and DEC, Ind. J. Phys. . 84 (10) (2010)
1307-1313.
M. Deka, A.K. Nath and A. Kumar, Ionic Conduction and Phase separation studies in
PEO-P(VdF-HFP)-LiClO4-dedoped Polyaniline Nanofiber Composite Polymer
Electrolytes-I, Ind. J. Phys. 84 (10 (2010) 1299-1305.
Smritimala Sarmah and A. Kumar, Optical properties of SnO2 nanoparticles, Ind. J.
Phys. Ind. J. Phys. 84 (9) (2010) 1211-1221.
S. Sarmah and A. Kumar, SHI irradiation effects on electrical and optical properties of
PPy-SnO2 nanocomposite, Phys. Stat. Sol. A 207(10) (2010) 2279-2287.
Jyoti Prasad, Saikia, Somik, Banerjee, Bolin Kumar Konwar and Ashok Kumar,
Biocompatible novel starch/polyaniline composites: characterization, anti-cytotoxicity
and antioxidant activity, Colloids and Surfaces B: Biointerfaces 81 (2010) 158–164.
Somik Banerjee and A. Kumar, Micro-Raman studies of swift heavy ion irradiation
induced structural and conformational changes in polyaniline nanofibers, Nucl. Instr. &
Meth. B 268 (2010) 2683-2687.
Highlighted by Nature India “Heavy ion bath” (doi:10.1038/nindia.2010.52)
Cited in nanotechweb “Engineering the properties of electroactive polymers”
http://nanotechweb.org/cws/article/lab/42605
A Kumar, Somik Banerjee, Jyoti P Saikia, and B K Konwar, Swift heavy ion irradiation
61.
62.
63.
64.
65.
66.
67.
68.
69.
70.
71.
72.
73.
74.
75.
induced enhancement in the antioxidant activity and biocompatibility of polyaniline
nanofibers, Nanotechnology 21 (2010) 175102.
A. Kumar, M. Deka and Somik Banerjee, Enhanced ionic conductivity in oxygen ion
irradiated poly(vinylidenefluoride-hexafluoropropylene) based nanocomposite gel
polymer electrolytes, Solid State Ionics 181 (2010) 609 -615.
S. Banerjee and A. Kumar, Dielectric behavior and charge transport in Polyaniline
nanofiber reinforced PMMA composites, J. Phys. Chem. Solids 71(3) (2010) 381–388.
M. Deka and A. Kumar, Enhanced ionic conductivity in novel nanocomposite gel
polymer electrolyte based on intercalation of PMMA into layered LiV3O8, Journal of
Solid State Electrochemistry 14(9)(2010) 1649-1656.
Somik Banerjee, Jyoti P Saikia, A Kumar and B K Konwar, Antioxidant activity and
haemolysis prevention efficiency of polyaniline nanofibers, Nanotechnology 21 (2010)
045101.
M. Deka and A. Kumar, Enhanced electrical and electrochemical properties of PMMAclay nanocomposite gel polymer electrolytes, Electrochim. Acta, 55 (5) (2010) 1836–
1842.
M. Deka and A. Kumar, Ionic transport in P(VdF-HFP)-PEO based novel microporous
polymer electrolytes, Bull. Mat. Sci. 32(6)(2009)627-632.
Somik Banerjee, Smritimala Sarmah and Ashok Kumar, Photoluminescence studies in
HCl-doped polyaniline nanofibers, J. Optics 38(2)(2009)124-130.
M. Deka, A.K. Nath and A. Kumar, Effect of dedoped (insulating) polyaniline nanofibers
on the ionic transport and interfacial stability of poly(vinylidene fluoridehexafluoropropylene) based composite polymer electrolyte membranes, J. Membrane
Science 327(1-2) (2009)188-194.
Smritimala Sarmah, Somik Banerjee and A. Kumar, Ion Transport in dedoped
Polyaniline Nanofiber-P(VDF-HFP)-LiCF3SO3 Composite Electrolyte, J. Poly.
Materials 25(3)(2008)335-344.
A.M.P. Hussain and A. Kumar, Electrochemical synthesis and characterization of copolymers of aniline and pyrrole, Ind. J. Phys. 82(3)(2008)349-356.
A. Kumar, A.M.P. Hussain and D.K. Avasthi, Swift Ni12+ ion irradiation effects on
electrodeposited polypyyrole for application as electrode in supercapacitors, Ind. J. Phys.
82(3) (2008) 273-280.
Sridevi Jade, Malay Mukul, Saigeetha Jaganathan, Anjan Kumar Bhattacharyya, M.S.M.
Vijayan, Ashok Kumar, Arun Kumar, S. Kalita, R.P. Tiwari, S.C. Sahu, A.P. Krishna, S.S.
Gupta, MVRL Murthy, V.K. Gaur, Estimates of interseismic deformation in Northeast
India from GPS Measurements, Earth and Planetary Science Letters 263(3-4)(2007)221234.
S.A. Hashmi, Ashok Kumar and S.K. Tripathi, Experimental studies on polymethyl
methacrylate based gel polymer electrolytes for application in electrical double layer
capacitors, J. Phys. D: Appl. Phys. 40(21)(2007) 6527-6534.
S.K. Tripathi, Ashok Kumar and S.A. Hashmi, Electrochemical redox supercapacitors
using P(VdF-HFP) based gel-electrolytes and polypyrrole as conducting polymer
electrodes, Solid State Ionics, 177(33-34)(2006) 2979–2985.
D. Saikia, A. Kumar, F Singh, N.C. Mishra and D.K. Avasthi, Study of Li3+ ion
76.
77.
78.
79.
80.
81.
82.
83.
84.
85.
86.
87.
88.
89.
90.
irradiation effects on ionic conduction in P(VDF-HFP)- (PC+DEC)- LiClO4 gel polymer
electrolytes, J. Phys. D : Appl. Phys. 39(19)(2006) 4208-4214.
A. Kumar and A.M.P. Hussain, 120 MeV Si9+ ion irradiation effects on poly(3methylthiophene) conducting polymer, Nucl. Instr. & Meth. B 251(2)(2006)451-456.
A.M.P. Hussain and A. Kumar, Ion irradiation induced electrochemical stability
enhancement of conducting polymer electrodes in supercapacitors, Eur. Phys. J. Appl.
Phys. 36(2)(2006) 105-109.
A.M.P. Hussain and A. Kumar, Enhanced electrochemical stability of all-polymer redox
supercapacitors with modified polypyrrole electrodes, J. Power Sources 161(2)
(2006)1486-1492.
A. Kumar, D. Saikia, F. Singh and D. K. Avasthi, Li3+ Ion Irradiation Effects on Ionic
Conduction in P(VDF-HFP)-(PC+DEC)-LiClO4 Gel Polymer Electrolyte System, Solid
State Ionics 177(26-32) (2006)2575-2579.
D. Saikia, A. M. P. Hussain, A. Kumar, F. Singh and D. K. Avasthi, Ionic Conduction
Studies in Li3+ Ion Irradiated P(VDF-HFP)-(PC+DEC)-LiCF3SO3 Gel Polymer
Electrolyte, Nucl. Instr. & Meth. B 244(2006)230-234.
A.M.P. Hussain, A. Kumar, F. Singh and D.K. Avasthi, Effects of 160 MeV Ni12+ ion
irradiation on HCl doped polyaniline electrode, J. Phys. D: Appl. Phys. 39(4) (2006)
750-755.
Pallabee Choudhury, A. Kumar and S.K.Laskar, Identification of EW trending faults and
determination of sedimentary thickness in shillong-mawlong area by analysis of
magnetic data, J. Geophysics 26(3)(2005)139-150.
A.M.P. Hussain and A. Kumar, Study of electrochemically synthesized polyaniline films
with different dopant, Ind. J. Phys. 79(9)(2005)1033-1039.
D. Saikia, A.M.P. Hussain, A. Kumar, F. Singh and D.K. Avasthi, Ionic Conduction
Studies in C5+ Ion Irradiated P(VDF-HFP)-(PC+DEC)-LiClO4 Gel Polymer Electrolyte
System, Ind. J. Phys. 79(7) (2005) 803-806.
A.M.P. Hussain, D. Saikia, A. Kumar, F. Singh and D.K. Avasthi, Investigation of swift
heavy ion irradiation (160 MeV Ni12+) effects on Polypyrrole Conducting Polymers
used as Electrode Materials for all Polymer Redox Supercapacitor, Ind. J. Phys. 79(7)
(2005) 783-787.
D. Saikia, A. Kumar, F Singh, N.C. Mishra and D.K. Avasthi, Ionic conduction in 70
MeV C5+ ion irradiated poly(vinylidenefluoride-co-hexafluoropropylene) based gel
polymer electrolytes, J. Appl. Phys. 98(4)(2005)043514(pp1-6).
A.M.P. Hussain, A. Kumar, D. Saikia, F. Singh and D.K. Avasthi, Study of 160 MeV
Ni12+ ion irradiation effects on electrodeposited polypyrrole films, Nucl. Instr. & Meth.
B 240(4)(2005) 871-880.
A.M.P. Hussain, D. Saikia, F. Singh, D.K. Avasthi and A. Kumar, Effects of 160 MeV
Ni12+ ion irradiation on polypyrrole conducting polymer electrode materials for all
polymer redox supercapacitors, Nucl. Instr. & Meth. B 240(4)(2005) 834-841.
A. Kumar, D. Saikia, F Singh and D.K. Avasthi, Ionic conduction in 70 MeV C5+ ionirradiated P(VDF-HFP)-(PC+DEC)-LiCF3SO3 gel polymer electrolyte system, Solid
State Ionics 176(17-18)(2005)1585-1590.
S.A. Hashmi, Ashok Kumar and S.K. Tripathi, Investigations on electrochemical
supercapacitors using polypyrrole redox electrodes and PMMA based gel electrolytes,
Euro. Poly. Jour. 41(6)(2005) 1373-1379.
91. D. Saikia and A. Kumar, Ionic conduction studies in P(VDF-HFP)-LiAsF6-(PC+DEC)fumed SiO2 composite gel polymer electrolyte system, Phys. Stat. Sol. (a) 202(2)
(2005)309-315.
92. D. Saikia and A. Kumar, Ionic Transport in P(VDF-HFP)-PMMA-LiCF3SO3(PC+DEC)-SiO2 Composite Gel Polymer Electrolyte, Euro. Poly. Jour. 41(3) (2005)563568.
93. S.A. Hashmi, Ashok Kumar and S.K. Tripathi, Experimental studies on Solid State
Electrical Double Layer Capacitors using Activated Charcol Powder Electrodes and
PVdF-HFP Based Gel Electrolytes, Ionics 10(3-4)(2004)213-220.
94. D. Saikia and A. Kumar, Ionic Conduction in P(VDF-HFP)/PVDF-(PC+DEC)-LiClO4
Polymer Gel Electrolytes, Electrochim. Acta. 49(16)(2004)2581-2589.
95. D. Saikia and A. Kumar, Fast ion transport in P(VDF-HFP)-PMMA-PC-LiClO4-TiO2
composite gel polymer electrolytes, Ind. J. Pure Appl. Phys. 41(12)(2003)961-966.
96. A.M.P. Hussain and A. Kumar, Electrochemical synthesis and characterization of
chlorine doped polyaniline, Bulletin of Materials Science 26(3)(2003)329-334.
97. Ashok Kumar, Dependence of dopant ion selectivity on incorporation of proton in doped
perovskite oxides, Ind. J. Pure and Appl. Phys. 39(4)(2001)263-266, Erratum
40(6)(2002)452.
98. Ashok Kumar, Composite solid electrolytes: Evidence for space charge layer, Ind. J.
Pure and Appl. Phys. 37(4)(1999) 248-251.
99. A. Kumar and K. Shahi, Conduction in CsCl-Al2O3 composite solid electrolytes:
Evidence for interfacial space charge, Materials Research Bulletin 31 (7)(1996)877-886.
100. Ashok Kumar and K. Shahi, Conduction mechanism in composite solid electrolytes,
PbX2(X=Cl, Br, I) - Al2O3 systems, J. Mat. Sci. 30(17)(1995)4407-4416.
101. Ashok Kumar and K. Shahi, Composition and particle size effect on ionic conduction in
KCl- Al2O3 composite solid electrolytes, J. Phys. Chem. Solids 56(2)(1995)215-222.
102. Ashok Kumar and K. Shahi, Particle size effect on ionic conductivity in NaCl- Al2O3
composite solid electrolytes, Solid State Commun. 94(9)(1995)813-816.
103. Ashok Kumar and K. Shahi, Electrical transport in RbCl- Al2O3 composite solid
electrolytes, J. Electrochem. Soc. 142(3)(1995)874-879.
104. Ashok Kumar and K. Shahi, Heterogeneous doping effects in KCl- Al2O3 composites,
Bulletin of Materials Science 17(1994)209-217.
105. Ashok Kumar and K. Shahi, Conduction characteristics of CsCl- Al2O3 composites,
Solid State Ionics 68(1-2)(1994)71-76.
106. Ashok Kumar and K. Shahi, Conductivity enhancement in NaCl-Al2O3 by dispersion of
Al2O3, J. Solid State Chem. 109(1)(1994)15-21.
107. A. Kumar and K. Shahi, Enhanced ionic conduction in PbI2-Al2O3 composite solid
electrolytes, J. Mat. Sci. 28(5)(1993)1257-1263.
108. D. Chakravorty, Ashok Kumar and S. Roy, Fast ion conduction in lithia-containing
glasses after ion exchange, J. Phys. D: Appl. Phys. 23(4)(1990)429-433.
Book Chapters:
1.
2.
3.
4.
5.
6.
7.
8.
9.
A. Kumar and M. Deka, “Nanofiber reinforced composite polymer electrolyte
membranes”, Nanofibers, A. Kumar (Ed.), InTech, Ch. 2, 2010, pp. 13-38, ISBN: 978953-7619-86-2.
A. Kumar, S. Banerjee and M. Deka, “ Electron microscopy for understanding swift
heavy ion irradiation effects on electroactive polymers”, Microscopy Book Series IV, Vol.
3, A. Mendez-Vilas and J. Diaz (Eds.), Formatex Research Center, 2010, pp. 1755-1768,
ISBN (13): 978-84-614-6191-2.
M. Deka and A. Kumar, “Nanocomposite polymer electrolytes for Li-ion batteries”,
Advances in Energy Research, Vol. 8, M. J. Acosta (Ed.), Nova Science Publishers Inc.,
Ch. 4, 2011, pp. 143-172, ISBN: 978-1-61324-208-7.
A. Kumar and M. Deka, “Polymer-clay nanocomposite electrolytes for rechargeable
lithium batteries”, Clay: Types, Properties and Uses, J.P. Humphrey and D.E. Boyd
(Eds.), Nova Science Publishers Inc., Ch. 8, 2011, pp. 275-300, ISBN: 978-1-61324449-4.
A. Kumar, Somik Banerjee and Smrimala Sarmah, “Ionic transport in dedoped
(insulating) polyaniline nanofiber dispersed composite polymer electrolytes”
Developments in Nanocomposites, Kamal K Kar, A. Hodzic (Eds.) (In Press)
A. Kumar and S. Banerjee, “Swift heavy ion irradiation induced strain generation and
fragmentation in polyaniline nanofibers”, Photonics and Quantum Structures, D.
Mahanta, Gazi A. Ahmed (Eds.) Ch-10, pp-93-101, 2012, ISBN: 978-81-8487-098-5.
7. A. Kumar and S. Banerjee, “Conducting polymers: Intelligent functional systems”,
Photonics and Quantum Structures, D. Mahanta, Gazi A. Ahmed (Eds.) Ch-5, pp-47-57,
2012, ISBN: 978-81-8487-098-5.
A. Kumar, Smritimala Sarmah, Chandrani Nath, “Engineering the properties of
conduction polymers through morphology control”, Hongshun Yang (Ed.), Polymer
Morphology, Ch-3, pp-79-107, 2012, ISBN: 978-1-61470-880-3.
A. Kumar, Somik Banerjee and Smrimala Sarmah, “Ionic transport in dedoped
(insulating) polyaniline nanofiber dispersed polymer composite electrolytes” Recent
Trends in Electroactive Polymer Nanocomposites (In Press).
Research Scholars:
Jayanta Hazarika
M.Sc. (2010) from Assam University
Designation: Research Scholar
Materials Research Lab, Department of Physics, Tezpur University
Research Interest: Electrical transport properties of conducting polymer
nanostructures.
E-Mail: jayantah@tezu.ernet.in
Phone: 03712275581
Paragjyoti Chutia
M.Sc. (2011) from Tezpur University
Designation: Research Scholar
Materials Research Laboratory, Department of Physics, Tezpur University
Research Interest: Low temperature electrical and thermal transport
properties of conducting polymer nanostructures.
E-Mail: pjc2011@tezu.ernet.in
Phone: 03712275583
Jnanendra Upadhyay
M.Sc. (2011) from Tezpur University
Designation: Research Scholar
Materials Research Laboratory, Department of Physics, Tezpur University
Research Interest: Biological applications of conducting polymer-based
nanostructures and nanocomposites.
E-Mail: jnanendra@tezu.ernet.in
Phone: 03712275583
Anup Kumar Nath
M.Sc. (2008) from Tezpur University
Designation: Research Scholar
Materials Research Laboratory, Department of Physics, Tezpur University
Research Interest: Ionic liquid and layered silicate-based nanocomposite
polymer electrolytes.
E-Mail: anup11@tezu.ernet.in
Phone: 03712275581
Rajiv Borah
M.Sc. (2013) from Tezpur University
Designation: Research Scholar
Materials Research Laboratory, Department of Physics, Tezpur
University
Research Interest: Conducting polymer-based fluorescent biosensors.
E-Mail: rajivph@tezu.ernet.in
Phone: 03712275583
Arati Sharma
M.Sc. (2013) from Tezpur University
Designation: Research Scholar
Materials Research Laboratory, Department of Physics, Tezpur
University
Research Interest: Ionic liquid and conducting polymer-based biosensors.
E-Mail: arti14@tezu.ernet.in
Phone: 03712275581
Madhabi Devi
M.Sc. (2014) from Tezpur University
Designation: Research Scholar
Materials Research Laboratory, Department of Physics, Tezpur
University
Research Interest: Polymer-graphene nanocomposites.
E-Mail: madhabi@tezu.ernet.in
Phone: 03712275566
Alumni:
Dr. Diganta Saikia
Designation: Post Doctoral Fellow
Department of Chemistry
National Central University, Taiwan
Dr. A.M.F. Hussain
Assistant Professor
Department of Physics
Cotton College, Guwahati
Dr. S. K. Tripathi
Department of Physics
Jaypee University of Engineering and Technology
A-B Road, Raghogarh
Guna (M.P.) - 473226
Dr. Smritimala Sarmah
Assistant Professor
GIMT, Guwahati
Dr. Somik Bannerjee
Assistant Professor
B. Borooah College, Guwahati
E-mail: somikbnrj@gmail.com
Dr. Madhuryya Deka
Assistant Professor
Kaziranga University, Jorhat
E Mail: mdeka07@tezu.ernet.in
Dr. Chandrani Nath
E-Mail: chandrani@tezu.ernet.in
Phone: 03712275581