Supplementary Information
Fabrication of graphene-based electrode in less than a minute through
hybrid microwave annealing
Duck Hyun Youn1,†, Ji-Wook Jang1,†, Jae Young Kim1, Jum Suk Jang2, Sun Hee Choi3
& Jae Sung Lee1,*
1
School of Nano-Bioscience and Chemical Engineering, Ulsan National Institute of Science
and Technology (UNIST), Ulsan 689-798 Korea
2
Division of Biotechnology, College of Environmental and Bioresource Science, Chonbuk
National University, Iksan 570-752, Korea
3
Pohang Accelerator Laboratory (PAL), Pohang University of Science and Technology
(POSTECH), Pohang 790–784, Korea
Corresponding author
jlee1234@unist.ac.kr
Tel: +82-52-217-2544, Fax +82-52-217-1019
Figure S1. Low magnification TEM images of a) MoS2/GR, b) bare MoS2, and c) GR. TEM
image of GR produced by HMA method is presented for comparison in image c).
Figure S2. EELS spectra of a) MoS2/GR and b) molybdenum at low energy loss region.
Figure S3. SEM images of a,b) MoS2/GR, c) bare MoS2, and d) commercial MoS2 (Aldrich).
The inset in b) denotes corresponding EDS spectrum of MoS2/GR and measured atomic ratio
of constituent elements.
Figure S4. Element mapping images of MoS2/GR using SEM-EDS for a) raw image, b)
carbon, c) sulfur, and d) molybdenum.
Figure S5. XPS C1s spectra of a) GO and b) GR prepared by HMA method.
Figure S6. Fourier-transforms of Mo K-edge EXAFS for commercial MoS2 and MoO3
catalysts.
Figure S7. Polarization curves for prepared catalysts with varying amount of MoS 2. The
number in parentheses denotes a weight percent of MoS2 in the sample.
Figure S8. a) XRD patterns and TEM images of MoS2/GR after electrochemical stability test.
The inset in b) denotes corresponding high-resolution TEM image.