Embedded Carbon Nanofibers for Solar Hydrogen Generation ... · Supplementary Information...
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Supplementary Information (Manuscript ID RA-ART-08-2014-008455) Synthesis and Characterization of Platinum Modified TiO 2 - Embedded Carbon Nanofibers for Solar Hydrogen Generation Minju Kim a† , Abdul Razzaq a† , Young Kwang Kim b , Soonhyun Kim b* and Su-il In a* a Department of Energy Systems Engineering, Daegu Gyeoungbuk Institute of Science and Technology (DGIST), 50-1 sang ri, Hyeun-pung myun, Dalseoung Gun, Daegu, Republic of Korea. b Nano & Bio Research Division, Daegu Gyeoungbuk Institute of Science and Technology (DGIST), 50-1 sang ri, Hyeun-pung myun, Dalseoung Gun, Daegu, Republic of Korea. * Corresponding Authors: Tel: +82-53-785-6417; Fax: +82-53-785-6409 E-mail address: a* [email protected] ; b* [email protected] † Both authors contributed equally to this work. . Electronic Supplementary Material (ESI) for RSC Advances. This journal is © The Royal Society of Chemistry 2014
Transcript of Embedded Carbon Nanofibers for Solar Hydrogen Generation ... · Supplementary Information...
Supplementary Information (Manuscript ID RA-ART-08-2014-008455)
Synthesis and Characterization of Platinum Modified TiO2-
Embedded Carbon Nanofibers for Solar Hydrogen Generation
Minju Kima†, Abdul Razzaqa†, Young Kwang Kimb, Soonhyun Kimb*and Su-il Ina*
a Department of Energy Systems Engineering, Daegu Gyeoungbuk Institute of Science and Technology (DGIST), 50-1 sang ri, Hyeun-pung myun, Dalseoung Gun, Daegu, Republic of Korea.
b Nano & Bio Research Division, Daegu Gyeoungbuk Institute of Science and Technology (DGIST), 50-1 sang ri, Hyeun-pung myun, Dalseoung Gun, Daegu, Republic of Korea.
* Corresponding Authors: Tel: +82-53-785-6417; Fax: +82-53-785-6409 E-mail address: a* [email protected] ; b* [email protected]
† Both authors contributed equally to this work.
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Electronic Supplementary Material (ESI) for RSC Advances.This journal is © The Royal Society of Chemistry 2014
Supplementary Information (Manuscript ID RA-ART-08-2014-008455)
Fig. S1 - XRD patterns of Pt(n)-TiO2/CNF obtained at photodeposition times of (a) 0 min, (b) 30 min, (c) 60 min, (d) 120 min and (e) 180 min.
Supplementary Information (Manuscript ID RA-ART-08-2014-008455)
Fig. S2 - XPS survey scan of Pt(180)-TiO2/CNF showing main peaks of platinum, carbon, titanium and oxygen.
Supplementary Information (Manuscript ID RA-ART-08-2014-008455)
Fig. S3 - XPS spectra for TiCN/CNF and TiO2/CNF showing (a) Ti 2p, (b) O 1s, (c) C 1s and (d) N 1s regions.
Supplementary Information (Manuscript ID RA-ART-08-2014-008455)
Fig. S4 - XPS spectra of Pt(n)-TiO2/CNF samples showing an increase in Pt 4f intensity with increase in Pt photodeposition time.
Supplementary Information (Manuscript ID RA-ART-08-2014-008455)
Fig. S5 - Photocatalytic hydrogen generation from Pt(n)-TiO2/CNF samples under illumination of 300 W Xe lamp with water IR filter and UV cutoff filter.
Supplementary Information (Manuscript ID RA-ART-08-2014-008455)
Fig. S6 – Photocurrent profiles with light on and off for CNF, TiCN/CNF, TiO2/CNF and Pt-TiO2/CNF.
Supplementary Information (Manuscript ID RA-ART-08-2014-008455)
Fig. S7 – Photoluminescence (PL) spectra of TiO2 (P25), CNF, TiCN/CNF, TiO2/CNF and Pt-TiO2/CNF.
Supplementary Information (Manuscript ID RA-ART-08-2014-008455)
Table S1
Pt Atomic ratios (At %) measured for different samples of Pt(n)-TiO2/CNF with varied Pt photodeposition times.
Sample Pt (At %)
Pt(0)-TiO2/CNF 0
Pt(30)-TiO2/CNF 0.21
Pt(60)-TiO2/CNF 0.39
Pt(120)-TiO2/CNF 0.66
Pt(180)-TiO2/CNF 0.71
