新型氮空位g-C3N4/Cu2(OH)2CO3异质结的构建及广谱光催化降解有机染料的性能

doi:10.11896/cldb.23070195

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Abstract In this study, a wide-spectrum-driven g-C₃N₄/Cu₂(OH)₂CO₃(VCN/Cu) heterojunction catalyst with nitrogen vacancies was synthesized and the photocatalytic organic dyestuff degradation ability was investigated. The morphologies, crystal phases, element energy states and other properties of as-prepared catalysts were characterized by TEM/SEM, XRD, UV-Vis, XPS, PL, et al. The results indicate that the VCN/Cu heterojunction catalyst shows strong light absorption in the region of 250—1 800 nm, the reaction rate constant of photocatalytic RhB degradation for VCN/Cu heterojunction arrives 0.052 min^-1, which is 12.7 times and 5.8 times higher than that of neat Cu₂(OH)₂CO₃ and g-C₃N₄, as well as perfect photocatalytic stability. Nitrogen vacancies might not only promote interfacial charge transfer but also act as active sites to trap and reduce O₂ molecules. Moreover, the mechanism of photocatalytic RhB degradation by VCN/Cu catalyst was studied.

Key words： g-C₃N₄ Cu₂(OH)₂CO₃ organic dyestuff nitrogen vacancies photocatalysis

Published: 10 October 2024 Online: 2024-10-23

CLC number:	O641
	O649

Fund:Natural Science Foundation of Liaoning Provincial Science and Technology Department(2019-ZD-0063).

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	LIANG Hongyu
	WANG Bin
	LU Guang

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LIANG Hongyu,WANG Bin,LU Guang. Construction of Nitrogen Vacancies-doped g-C₃N₄/Cu₂(OH)₂CO₃ Heterojunction with Outstanding Wide-spectrum-driven Photocatalytic Organic Dyestuff Degradation Ability[J]. Materials Reports, 2024, 38(19): 23070195-6.

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http://www.mater-rep.com/EN/10.11896/cldb.23070195 OR http://www.mater-rep.com/EN/Y2024/V38/I19/23070195

1 Lin H. Chinese Journal of Catalysis, 1991, 144(1), 189.
2 Guo C, Yin S, Dong Q, et al. Nanoscale, 2012, 4(11), 3394.
3 Fujishima A, Honda K. Nature, 1972, 238(1), 238.
4 Chang X, Sun S, Dong L, et al. Materials Letters, 2012, 83(12), 133.
5 Singh J A, Overbury S H, Dudney N J, et al.ACS Catalysis, 2012, 2(6), 138.
6 Xy A, Wza B, Jha B, et al. Applied Catalysis A, General, 2020, 601(7), 601.
7 Liang H Y, Zou H, Hu S. New Journal of Chemistry, 2017, 41(17), 8920.
8 Nguyen H T T, Tran H T V, Nguyen P M, et al. Journal of Water and Environment Technology, 2023, 21(1), 1.
9 Cazelles R, Liu J, Antonietti M. Chemelectrochem, 2015, 2(3), 333.
10 Naqvi K R, Marsh J M, Godfrey S, et al. International Journal of Cosmetic Science, 2013, 35(1), 41.
11 Mao Y, Wu M, Li G, et al. Reaction Kinetics, Mechanisms and Catalysis, 2018, 125(2), 1179.
12 Dong G H, Ho W K, Wang C. Journal of Materials Chemistry A, 2015, 3(2), 23435.
13 Wang X, Maeda K, Thomas A, et al. Nature Materials, 2009, 8(1), 76.
14 Prabhakar V S V, Kumar R P A, Jaesool S, et al. ACS Omega, 2018, 3(7), 7587.
15 He Z K, Fu J W, Cheng B, et al. Applied. Catalysis B Environmental, 2017, 205(5), 104.
16 Chen C, Zhou Y, Wang N, et al. RSC Advances, 2015, 5(116), 95523
17 Chen D, Wang X N, Zhang X Q, et al. International Journal of Hydrogen Energy, 2020, 45(46), 24697.
18 Li S J, Chen X, Hu S Z, et al. RSC Advances, 2016, 6(2), 45931.
19 Zheng Y, Jiao Y, Chen J, et al. Journal of the American Chemical Society, 2011, 133(50), 20116.
20 Hao X, Dai D S, Li S S, Dalton transactions, 2018, 47(2), 348.
21 Zhu J, Ling M, Ma R D, et al. Materials Reports, 2024, 38(11), 23010115(in Chinese)
朱杰, 凌敏, 马润东, 等. 材料导报, 2024, 38(11), 23010115.
22 Hao X, Dai D S, Li S S. Dalton Transactions, 2018, 47(2), 348.
23 Zhang Y, Liu J, Wu G, et al. Nanoscale, 2012, 4(17), 5300.
24 Wang X C, Maeda K A, Thomas K, et al. Nature Materials, 2009, 8(1), 76.
25 Ge L, Han C. Applied Catalysis B:Environmental, 2012, 117(1), 268.
26 Zhang S Q, Yang Y X, Guo Y N, et al. Journal of Hazardous Materials, 2013, 261(10), 235.
27 Liu G, Niu P, Yin L C, et al. Journal of the American Chemical Society, 2012, 134(22), 9070.
28 Guo Q, Xie Y, Wang X, et al. Chemical Physics Letters, 2003, 380(1), 84.
29 Kondo K, Murakami N, Ye C, et al. Applied Catalysis B: Environmental, 2013, 142(10), 362.
30 Xu L, Gu D, Chang X, et al. The Institution of Engineering and Technology, 2018, 13(4), 541.