1D/2D Co2P/g-C3N4的制备及可见光下光催化分解水析氢性能

doi:10.11896/cldb.21030152

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Abstract In this paper, using urea as raw material, g-C₃N₄ nanosheets were prepared by thermal oxidation stripping method, and then Co₂P/g-C₃N₄ composite photocatalysts were prepared in situ by solvothermal and low temperature phosphating processes. The phase structure, morphology and valence state composition of the catalyst were characterized by XRD, SEM, TEM and XPS. The results indicated that a compact 1D/2D heterojunction was formed between Co₂P nanorods and g-C₃N₄ nanosheets. The results of hydrogen evolution test showed that the hydrogen production rate of 5% Co₂P/g-C₃N₄ composite photocatalyst was up to 1 155 μmol·h^-1·g^-1 under visible light irradiation (λ>420 nm), which was 96.3 times that of pure g-C₃N₄, and it also showed a high stability in cycle test. Through UV-Vis diffuse reflectance spectra, photoluminescence spectra, transient photocurrent response curves and electrochemical impedance spectra characterization, it's found that Co₂P closely contacted with the host g-C₃N₄ could broaden its light response range, and significantly promoted the migration of interface charge, restrained the recombination of photogenerated electrons and holes, consequently significantly improved the g-C₃N₄ photocatalytic activity of hydrogen evolution.

Key words： Co₂P graphite phase carbon nitride cocatalyst photocatalytic hydrogen evolution

Published: 25 March 2022 Online: 2022-03-21

CLC number:

O643

Fund:Key Program of Sichuan Provincial Department of Education (16ZA0176) and Excellence Fund Project of China West Normal University (17YC008).

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	XIANG Hanbin
	GOU Jiaojiao
	WU Lin
	ZENG Chunmei

Cite this article:

XIANG Hanbin,GOU Jiaojiao,WU Lin, et al. Preparation and Photocatalytic Performance of 1D/2D Co₂P/g-C₃N₄ in Hydrogen Evolution Under Visible Light Irradiation[J]. Materials Reports, 2022, 36(6): 21030152-6.

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http://www.mater-rep.com/EN/10.11896/cldb.21030152 OR http://www.mater-rep.com/EN/Y2022/V36/I6/21030152

1 Chen S, Huang D L, Xu P,et al. Journal of Materials Chemistry A, 2020, 8, 2286.
2 Zhou Y, Wang W J, Zhang C,et al. Advances in Colloid and Interface Science, 2020, 279, 102144.
3 He Y Q, Zhang F L, Ma B,et al. Applied Surface Science, 2020, 517, 146187.
4 Zhang Q, Hu S Z, Li F Y, et al. Chemical Journal of Chinese Universities, 2016, 37(3), 521 (in Chinese).
张倩,胡绍争,李法云,等, 高等学校化学学报, 2016, 37(3), 521
5 Han C C, Zhang T, Cai Q J,et al. Journal of the American Ceramic Society, 2019, 102(9), 5484.
6 Lin L H, Yu Z Y, Wang X C. Angewandte Chemie International Edition, 2019, 58(19), 6164.
7 Li Y F, Zhou M H, Cheng B,et al. Journal of Materials Science & Technology, 2020, 56, 1.
8 He H, Cao J, Guo M N, et al. Applied Catalysis B: Environmental, 2019, 249, 246.
9 Li H J, Zhao J L, Geng Y,et al. Applied Surface Science, 2019, 496, 143738.
10 Sun Z C, Zhu M S, Fujitsuka M, et al. ACS Applied Mater & Interfaces, 2017, 9(36), 30583.
11 Shi J W, Zou Y J, Cheng L H,et al. Chemical Engineering Journal, 2019, 378, 122161.
12 Zhou Y L, Lin D Y, Ye X Y, et al. Journal of Alloys and Compounds, 2020, 839, 155691.
13 Nagaraja C M, Kaur M, Dhingra S, International Journal of Hydrogen Energy, 2020, 45(15), 8497.
14 Li Y J, Ding L, Guo Y C, et al. ACS Applied Materials & Interfaces, 2019, 11, 41440.
15 Liang Z Q, Yang S R, Wang X Y, et al. Applied Catalysis B: Environmental, 2020, 274, 119114.
16 Li H, Yan X Q, Lin B,et al. Nano Energy, 2018, 47, 481.
17 Dai D S, Xu H, Ge L,et al. Applied Catalysis B: Environmental, 2017, 217, 429.
18 Zhao C X, Tang H, Liu W,et al. ChemCatChem, 2019, 11(24), 6310.
19 Sun Z C, Zhu M S, Lv X S,et al. Applied Catalysis B: Environmental, 2019, 246, 330.
20 Guan Y, Hu S Z, Li P,et al. Nano, 2019, 14, 1950083.
21 Li C M, Wu H H, Hong S H,et al. International Journal of Hydrogen Energy, 2020, 45(43), 22556.
22 He Y N, Cui R J, Gao C C,et al. Molecular Catalysis, 2019, 469, 161.
23 Song M J, He Y, Zhang M M, et al. Journal of Power Sources, 2018, 402, 345.
24 Luo B, Song R, Geng X,et al. Applied Catalysis B: Environmental, 2019, 256, 117819.
25 Yuan Y J, Shen Z K, Song S X,et al. ACS Catalysis, 2019, 9(9), 7801.
26 Li S S, Wang L, Liu S, et al. ACS Sustainable Chemistry & Engineering, 2018, 6(8), 9940.
27 Zeng D Q, Ong W J, Chen Y Z,et al. Particle & Particle Systems Characterization, 2018, 35(1), 1700251.
28 Tian L, Qiu G F, Shen Y,et al. Industrial & Engineering Chemistry Research, 2019, 58(31), 14098.
29 Sun X J, Yang D D, Meng X B,et al. Sustainable Energy & Fuels, 2018, 2, 1356.
30 Cheng C, Zong S C, Shi J W, et al. Applied Catalysis B: Environmental, 2020, 265, 118620.
31 W L, Lu K C, Zhou S J,et al. Applied Surface Science, 2019, 474, 194.
32 Li C M, Wu H H, Hong S H, et al. International Journal of Hydrogen Energy, 2020, 45(43), 22556.
33 Liu X, Zhao Y X, Yang X F, et al. Applied Catalysis B: Environmental, 2020, 275, 119144.
34 Zhao C X, Tang H, Liu W, et al. ChemCatChem, 2019, 11(24),6310.
35 Li C M, Du Y H, Wang D P, et al. Advanced Functional Materials, 2017, 27(4), 1604328.
36 Liu Y Z, Zhang J Q, Li X J,et al. Energy & Fuels, 2019, 33, 11663.
37 Tian S H, Zhang C, Huang D L,et al. Chemical Engineering Journal, 2020, 389, 123423.
38 Wen P, Zhao K F, Li H, et al. Journal Materials Chemistry A, 2020, 8, 2995.
39 Fang X Y, Song J L, Pu T T, et al. International Journal of Hydrogen Energy, 2017, 42(47), 28183.
40 Qi K Z, Lv W X, Khan I,et al. Chinese Journal of Catalysis, 2020, 41(1), 114.
41 Li N, Ding Y X, Wu J J, et al. ACS Applied Mater & Interfaces, 2019, 11(25), 22297.
42 Zhang X Y, Fan X L, Wang X,et al. Colloids and Surfaces A: Physico Chemical and Engineering Aspects, 2020, 599, 12487.