Electronic Supplementary Material (ESI) for Journal of Materials Chemistry C.
This journal is © The Royal Society of Chemistry 2014
Electronic Supplementary Information (ESI)
Crafting NPB with tetraphenylethene: a win-win
strategy to create stable and efficient solid-state
emitter with aggregation-induced emission feature,
high hole-transporting property and efficient
electroluminescence
Wei Qin,ab Jianzhao Liu,ab Shuming Chen,c Jacky W. Y. Lam,ab Mathieu Arseneault,ab
Zhiyong Yang,ab Qiuli Zhao,d Hoi Sing Kwok,c and Ben Zhong Tang*abe
a HKUST-Shenzhen
Research Institute, No. 9 Yuexing 1st RD, South Area, Hitech Park, Nanshan, Shenzhen, 518057, China. E-mail: tangbenz@ust.hk
b Department
of Chemistry, Institute for Advanced Study, Institute of Molecular
Functional Materials and Division of Biomedical Engineering, The Hong Kong
University of Science & Technology (HKUST), Clear Water Bay, Kowloon,
Hong Kong, China
c Center
for Display Research, HKUST, Clear Water Bay, Kowloon, Hong Kong,
China
d Department
e
of Polymer Science and Engineering, Zhejiang University,
Hangzhou 310027, China
Guangdong Innovative Research Team, SCUT-HKUST Joint Research
Laboratory, State Key Laboratory of Luminescent Materials and Device, South
China University of Technology (SCUT), Guangzhou, 51640, China
Table of Contents
Figure S1. 1H NMR spectrum of TPE-NPB in chloroform-d.
Figure S2. High resolution mass spectrum of TPE-NPB.
Figure S3. TGA thermogram of NPB recorded under nitrogen at a heating rate of 10
°C/min.
Figure S4. Cyclic voltammogram of TPE-NPB measured in dichloromethane
containing 0.1 M tetra-n-butylammonium hexafluorophosphate. Scan rate = 100 mV/s.
Figure S5. Changes in current and luminance with the applied voltage in a singlelayer EL device of TPE-NPB with a configuration of ITO/TPE-NPB/LiF/Al. Inset: EL
spectrum of the device.
Table S1. Summary of angles in TPE-NPB.
22H
12H *
4H
4H
4H 2H
8.0
7.8
2H
7.6
7.4
7.2
Chemical shift (nm)
Figure S1. 1H NMR spectrum of TPE-NPB in chloroform-d.
7.0
6.8
qw-2NAP-T, MW=919; DHB, LP200
tan110427_6 15 (0.498) Cn (Cen,2, 90.00, Ht); Sb (99,40.00 ); Sm (SG, 2x3.00); Cm (15:25)
TOF LD+
5.54e3
918.3826
100
%
919.3845
920.3842
916.3669
921.3790
0
188.6449 218.9597 344.7055 371.1409
200
300
460.2065
400
500
548.2478
660.7834
600
703.3099
700
792.3427
800
842.3597 921.6317
900
1045.4465
1000
1115.9238 1204.5159
1100
1200
1321.0696
1300
1432.4277 1507.0813 1590.3572
1400
1500
m/z
1600
Figure S2. High resolution mass spectrum of TPE-NPB.
100
Td = 435 oC
Weight (%)
80
60
40
20
0
50
200
350
500
650
o
Temperature ( C)
Figure S3. TGA thermogram of NPB recorded under nitrogen at a heating rate of 10
°C/min.
20
10
Current (μA)
0
-10
-20
-30
-40
-50
0.0
0.5
1.0
1.5
2.0
2.5
3.0
E vs Hg/HgCl2 (V)
Figure S4. Cyclic voltammograms of TPE-NPB measured in dichloromethane
containing 0.1 M tetra-n-butylammonium hexafluorophosphate. Scan rate = 100 mV/s.
103
Luminance (cd/m2)
102
800
101
400
100
EL intensity (au)
Current density (mA/cm2)
1200
10-1
400
0
2
4
6
8
10
12
500
600
700
Wavelength (nm)
14
16
Voltage (V)
Figure S5. Changes in current and luminance with the applied voltage in a singlelayer EL device of TPE-NPB with a configuration of ITO/TPE-NPB/LiF/Al. Inset: EL
spectrum of the device.
Table S1. Summary of angles for TPE-NPB
C3-C4-C7-C9
C12-C10-C9-C7
C21-C11-C9-C7
C22-C8-C7-C9
P1-P2
P2-P3
P2-P4
P3-P4
Torsion angles (o)
50.1
48.2
50.2
48.1
Angles between planes (o)
~34
~79
~63
~83