Abstract: More than half of the solar spectrum is near infrared (NIR) light. However, the report concerning the photocatalytic reaction using NIR light is rare. In this work, a full-spectrum-driven W18O49/g-C3N4 heterojunction catalyst was prepared and the photocatalytic RhB degradation ability was investigated. X-ray diffraction, N2 adsorption, UV-Vis-NIR spectroscopy, scanning electron microscope, transmission electron microscope, photoluminescence, X-ray photoelectron spectroscope and electrochemical impedance spectra were used to characterize the prepared catalysts. The result indicates that as-prepared W18O49/g-C3N4 heterojunction catalysts display strong light absorption in the region of 250—1 800 nm. The reaction rate constant for W18O49/g-C3N4 heterojunction catalyst arrives 0.015 9 min-1, which is 5.3 times and 11.4 times higher than that of neat g-C3N4 and W18O49, as well as excellent catalytic stability. In addition, the mechanism of degradation of RhB by W18O49/g-C3N4 heterojunction catalyst was investigated.
作者简介: 胡绍争,辽宁石油化工大学教授。2003年9月至2010年10月,在大连理工大学获得工业催化专业博士学位,同年进入辽宁石油化工大学任教。以第一作者或通讯作者身份在Applied Catalysis B: Environmental, Journal of Power Sources, ACS Sustainable Chemistry Engineering, Catalysis Science & Technology, Journal of Hazardous Material, Dalton Transactions, Chemistry: An Asian Journal, Chemical Engineering Journal, Applied Surface Science等国际主流刊物上发表论文三十余篇,他引1 200余次。两篇论文被评为全球前1%高引用论文(ESI)。担任多个国际著名刊物审稿人及仲裁人。
引用本文:
胡绍争, 王菲, 李政, 马宏飞, 李萍. 新型全光谱响应W18O49/g-C3N4异质结催化剂的构建及光催化降解有机染料性能研究[J]. 材料导报, 2021, 35(8): 8011-8016.
HU Shaozheng, WANG Fei, LI Zheng, MA Hongfei, LI Ping. Construction of Full-spectrum-driven W18O49/g-C3N4 Heterojunction Catalyst with Outstanding Photocatalytic Organic Dyestuff Degradation Ability. Materials Reports, 2021, 35(8): 8011-8016.
1 Yan M, Li G L, Guo C S, et al. Nanoscale,2016,8,17828. 2 Chang X T, Sun S B, Dong L H, et al. Materials Letter,2012,83,133. 3 Wang G, Huang B, Ma X, et al. Angewandte Chemie International Edition,2013,52,4810. 4 Hu S Z, Qu X Y, Li P, et al. Chemical Engineering Journal,2018,334,410. 5 Liu G, Niu P, Sun C H, et al. Journal of the American Chemistry Society,2010,132,11642. 6 Singh J A, Overbury S H, Dudney N J, et al. ACS Catalysis,2012,2,1138. 7 Chang C, Fu Y, Hu M, et al. Applied Catalysis B: Environmental,2013,142-143,553. 8 Sridharan K, Jang E, Park T J. Applied Catalysis B: Environmental,2013,142-143,718. 9 Zhang S Q, Yang Y X, Guo Y N, et al. Journal of Hazardous Materials,2013,261,235. 10 Dong G H, Ho W K, Wang C Y. Journal of Materials Chemistry A,2015,3,23435. 11 Hu S Z, Li F Y, Fan Z P, et al. Dalton Transactions,2015,44,1084. 12 Song K N, Xiao F, Zhang L J, et al. Journal of Molecular Catalysis A: Chemical,2016,418-419,95. 13 Guo X X, Qin X Y, Xue Z J, et al. RSC Advances,2016,6,48537. 14 Chen P O, Qin M L, Liu Y, et al. New Journal of Chemistry,2015,39,1196. 15 Guan M, Xiao C, Zhang J, et al. Journal of the American Chemistry Society,2013,135,10411. 16 Bi W, Ye C, Xiao C, et al. Small,2014,10,2820. 17 Guo C S, Yin S, Yan M, et al. Inorganic Chemistry,2012,51,4763. 18 Xi G, Ouyang S, Li P, et al. Angewandte Chemie International Edition,2012,51,2395. 19 Wang Y, Wang X C, Antonietti M. Angewandte Chemie International Edition,2012,51,68. 20 Zhang L H, Jin Z Y, Huang S L, et al. Applied Catalysis B: Environmental,2019,246,61. 21 Di J, Xia J X, Yin S, et al. Journal of Materials Chemistry A,2014,2,5340. 22 Ge L, Han C. Applied Catalysis B: Environmental,2012,117-118,268. 23 Lei W, Portehault D, Dimova R, et al. Journal of the American Chemistry Society,2011,133,7121. 24 Zhang Y W, Liu J H, Wu G, et al. Nanoscale,2012,4,5300. 25 Xi G, Ouyang S, Li P, et al. Angewandte Chemie International Edition,2012,51,2395. 26 Wang D, Sun J B, Cao X, et al. Journal of Materials Chemistry A,2013,1,8653. 27 Zhang S Q, Yang Y X, Guo Y N, et al. Journal of Hazardous Materials,2013,261,235. 28 Liu G, Niu P, Yin L C, et al. Journal of the American Chemistry Society,2012,134,9070. 29 Kondo K, Murakami N, Ye C, et al. Applied Catalysis B: Environmental,2013,142-143,362. 30 He Y M, Zhang L H, Teng B T, et al. Environmental Science Technology,2015,49,649.