Loading AgCl@Ag on phosphotungstic acid modified macrocyclic coordination compound : Z-scheme photocatalyst for persistent pollutant degradation and hydrogen evolution
Chen, Shunqiang; Li, Feng; Li, Taohai; Cao, Wei (2019-03-28)
Shunqiang Chen, Feng Li, Taohai Li, Wei Cao, Loading AgCl@Ag on phosphotungstic acid modified macrocyclic coordination compound: Z-scheme photocatalyst for persistent pollutant degradation and hydrogen evolution, Journal of Colloid and Interface Science, Volume 547, 2019, Pages 50-59, ISSN 0021-9797, https://doi.org/10.1016/j.jcis.2019.03.092
© 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/.
https://creativecommons.org/licenses/by-nc-nd/4.0/
https://urn.fi/URN:NBN:fi-fe201903219637
Tiivistelmä
Abstract
In this work, Z-scheme photocatalysts of (CuC₁₀H₂₆N₆)₃(PW₁₂O₄₀)₂/AgCl@Ag were designed and realized for effective removal of solvable and insolvable persistent organic pollutants and hydrogen evolution under simulated sunlight. The catalysts were synthesized via a simple hydrothermal-chemical co-precipitation method. Excellent photocatalytic abilities are demonstrated in degradations of persistent pollutant 2,4-Dinitrophenol (DNP) and tetracycline (TC) under simulated sunlight, as well as a high H₂ production rate of 19.28 μ mol g⁻¹ h⁻¹. Through structural, morphological, radical, and electrochemical determinations, the photocatalytic mechanism was studied, and attributed to effective separations of charge carriers between the heterojunctional counterparts of (CuC₁₀H₂₆N₆)₃(PW₁₂O₄₀)₂ and AgCl@Ag.
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