Supporting Information A General Strategy to Fabricate P as Highly Efficient Cocatalyst via Photo-Reduction Deposition for Hydrogen Evolution Yuming Dong a, *, Linggang Kong a, Pingping Jiang a, Guangli Wang a, Na Zhao a, Huizhen Zhang a, and Bo Tang b, * a Key Laboratory of Synthetic and Biological Colloids, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, P.R. China. b College of Chemistry, Chemical Engineering and Materials Science, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Shandong Normal University, Jinan 250014, P.R. China * Corresponding author. E-mail: dongym@jiangnan.edu.cn (Dr. Y. Dong); tangb@sdnu.edu.cn (Prof. B. Tang); Fax: +86 510 85917763. This supplementary file includes: Totals 12 pages Tables S1 to S2 Figures S1 to S11 S1
Supplementary table captions: Table S1. Photocatalytic H 2 evolution on g-c 3 with non-noble-metal cocatalysts. Table S2. Photocatalytic H 2 evolution from water using lactic acid as hole sacrificial agent. Supplementary figure captions: Figure S1. Photocatalytic HER activity of P-T/g-C 3 (T=0, 10, 20, 30 and 40 min); The data were obtained by photocatalytic processes of 5 mg photocatalyst in 10 ml 20 vol% triethanolamine aqueous solution for 2 h. Figure S2. (a) Photocatalytic HER activity of P-T/g-C 3 (T=0, 10, 20 and 30 min), and the data were obtained by photocatalytic processes of 5 mg photocatalyst in 10 ml 40 vol% methanol aqueous solution for 2 h; (b) Photocatalytic HER activity of P-T/g-C 3 (T=0, 10, 20 and 30 min), and the data were obtained by photocatalytic processes of 5 mg photocatalyst in 10 ml 10 vol% lactate acid solution for 2 h. Figure S3. Photocatalytic HER activity of P-20/g-C 3 and Pt-0.5wt%/g-C 3 (0.5 wt% Pt was loaded on g-c 3 in situ by photoreduction of H 2 PtCl 6 ). The data were obtained by photocatalytic processes of 5 mg photocatalyst in 10 ml 20 vol% triethanolamine aqueous solution for 2 h. Figure S4. TEM (left) and HRTEM (right) image of Pt-0.5wt%/g-C 3. Figure S5. (a) XRD patterns and (b) FTIR spectra of P-T/g-C 3 (T=0, 10, 20, 30, 40 and 100 min). Figure S6. Raman spectra of P-T/g-C 3 laser of 785 nm. (T=0, 10, 20 and 100 min) excited by Figure S7. UV-vis diffuse reflectance spectra of P-T/g-C 3 (T=0, 10, 20, 30, 40 and 100 min). Figure S8. SEM image of P-20/g-C 3. Figure S9. TEM image of Ni-20/g-C 3 after treatment in HCl solution (ph=2) for 1 week. Figure S10. EDX-Mapping image of Ni-20/g-C 3 after treatment in HCl solution (ph=2) for 1 week. Figure S11. The property and function of AM 1.5 G filter. S2
Table S1. Photocatalytic H 2 evolution on g-c 3 with non-noble-metal cocatalysts. Cocatalysts [Ni(TEOA)] 2 Cl 2 Mass fraction sacrificial agent 2.0 wt% of Ni 2+ triethanolamine Ni(OH) 2 0.5 mol% triethanolamine NiS 1.1 wt% triethanolamine Co III (dmgh) 2 pycl / triethanolamine NiS 2 2.0 wt% triethanolamine Ni Tu TETN / triethanolamine NiS 1.5 mol% triethanolamine Ni(dmgH) 2 3.5 wt% triethanolamine MoS 2 2.89 wt% triethanolamine Ni 10wt% triethanolamine NiS 0.97wt% triethanolamine Ni/NiO 2 wt% triethanolamine C 3 N 3 S 2 Ni 0.1 wt% triethanolamine Ni 0.73 wt% triethanolamine Ni 7.4wt% triethanolamine CoP 3.4wt% triethanolamine Ni2P 0.48wt% triethanolamine P / triethanolamine Light source 500 W Xe 350 W Xe 500W Xe 150 W Xe Activity (µmol g -1 h -1 ) Ref. 2435 S1 152 S2 482 S3 216.7 S4 406 S5 510 S6 447.7 S7 236 S8 252 S9 168.2 S10 84 S11 200 S12 110 S13 103 S14 4318 S15 420 S16 567 S17 8585 This work S3
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Table S2. Photocatalytic H 2 evolution from water using lactic acid as hole sacrificial agent. The Photocatalyst reaction Activity time Light sacrificial agent (µmol mentioned source g -1 h -1 ) in this Ref. article/h PdS/CdS/NiS 5 lactic acid 18750 S18 CdS/Pt/WO 3 9 lactic acid 500 W Xe 2900 S19 In 2 S 3 /MoS 2 /CdS 12 lactic acid 625.8 S20 CdS-WZ 12 lactic acid 350 W Xe 4628 S21 Pt/CdWO 4 /CdS 12 lactic acid 13000 S22 WS 2 /CdS 15 lactic acid 4200 S23 Pt/CdS 15 lactic acid UV-LEDs (420 nm) 9374 S24 MoS 2 /CdS 16 lactic acid 6850 S25 titania-based CdS 16 lactic acid 14250 S26 WS 2 CdS 16 lactic acid 1984 S27 SiW 11 Co/M/G-CdS 18 lactic acid 17000 S28 rgo/cds/mos 2 20 lactic acid 350 W Xe 1980 S29 Ni/CdS 20 lactic acid LED light / S30 CdS-MoS 2 20 lactic acid 9110 S31 MoS 2 /CdS 24 lactic acid 86500 S32 Ni/CdS 24 lactic acid 30048 S33 Pt/CdS/In 2 O 3 40 lactic acid 9297 CdS/Pt/Ga 2 O 3 40 lactic acid 8971 S34 CoP/CdS 60 lactic acid LED light 251500 S35 Zn 0.3 Cd 0.7 S/MoS 2 21 lactic acid 150 W Xe 1200 S36 S5
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H 2 evolution (µmol g -1 h -1 ) 9000 8000 7000 6000 5000 4000 3000 2000 1000 0 8585 7269 6310 6831 27 0min 10min 20min 30min 40min Preparation time under irradiation Figure S1. Photocatalytic HER activity of P-T/g-C 3 (T=0, 10, 20, 30 and 40 min); The data were obtained by photocatalytic processes of 5 mg photocatalyst in 10 ml 20 vol% triethanolamine aqueous solution for 2 h. 1100 2000 H 2 evolution(µmol g -1 h -1 ) 1000 900 800 700 600 500 400 300 200 100 0 0min 10min 20min 30min H 2 evolution (µmol g -1 h -1 ) 1800 1600 1400 1200 1000 800 600 400 200 0 0min 10min 20min 30min Figure S2. (a) Photocatalytic HER activity of P-T/g-C 3 (T=0, 10, 20 and 30 min), and the data were obtained by photocatalytic processes of 5 mg photocatalyst in 10 ml 40 vol% methanol aqueous solution for 2 h; (b) Photocatalytic HER activity of P-T/g-C 3 (T=0, 10, 20 and 30 min), and the data were obtained by photocatalytic processes of 5 mg photocatalyst in 10 ml 10 vol% lactate acid solution for 2 h. S8
12000 H 2 evolution (µmol g -1 h -1 ) 10000 8000 6000 4000 2000 0 P-20/g-C 3 Pt-0.5 wt%/g-c 3 Figure S3. Photocatalytic HER activity of P-20/g-C 3 and Pt-0.5wt%/g-C 3 (0.5 wt% Pt was loaded on g-c 3 in situ by photoreduction of H 2 PtCl 6 ). The data were obtained by photocatalytic processes of 5 mg photocatalyst in 10 ml 20 vol% triethanolamine aqueous solution for 2 h. Figure S4 TEM (left) and HRTEM (right) image of Pt-0.5wt%/g-C 3. a P-100/g-C 3 b P-40/g-C 3 P-100/g-C 3 Intensity (a.u.) P-40/g-C 3 P-30/g-C 3 P-20/g-C 3 P-10/g-C 3 Intensity (a.u.) P-30/g-C 3 P-20/g-C 3 P-10/g-C 3 Pure g-c 3 Pure g-c 3 10 20 30 40 50 60 70 80 2 theta (degree) 4000 3500 3000 2500 2000 1500 1000 500 Wavenumber(cm -1 ) Figure S5. (a) XRD patterns and (b) FTIR spectra of P-T/g-C 3 (T=0, 10, 20, 30, 40 and 100 min). S9
P-0/g-C 3 P-10/g-C 3 P-20/g-C 3 Intensity (a.u.) P-100/g-C 3 400 800 1200 1600 2000 Raman shift (cm -1 ) Figure S6. Raman spectra of P-T/g-C 3 (T=0, 10, 20 and 100 min) excited by laser of 785 nm. 0.8 0.6 Intensity (a.u.) 0.4 0.2 P-0/g-C 3 P-10/g-C 3 P-20/g-C 3 P-30/g-C 3 P-40/g-C 3 P-100/g-C 3 0.0 200 300 400 500 600 700 800 Wavelength (nm) Figure S7. UV-vis diffuse reflectance spectra of P-T/g-C 3 (T=0, 10, 20, 30, 40 and 100 min). S10
Figure S8. SEM image of P-20/g-C 3. Figure S9. TEM image of Ni-20/g-C 3 after treatment in HCl solution (ph=2) for 1 week. S11
Figure S10. EDX-Mapping image of Ni-20/g-C 3 after treatment in HCl solution (ph=2) for 1 week. Figure S11. The property and function of AM 1.5 G filter. S12