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Visible‐Light Direct Conversion of Ethanol to 1,1‐Diethoxyethane and Hydrogen over a Non‐Precious Metal Photocatalyst
Author(s) -
Chao Yuguang,
Zhang Wenqin,
Wu Xuemei,
Gong Nana,
Bi Zhihong,
Li Yunqin,
Zheng Jianfeng,
Zhu Zhenping,
Tan Yisheng
Publication year - 2019
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201804664
Subject(s) - photocatalysis , dehydrogenation , catalysis , photocurrent , selectivity , precious metal , materials science , hydrogen , ethanol , photochemistry , biofuel , visible spectrum , photoluminescence , renewable energy , fossil fuel , metal , chemical engineering , biomass (ecology) , spectroscopy , chemistry , waste management , organic chemistry , optoelectronics , metallurgy , oceanography , electrical engineering , physics , quantum mechanics , engineering , geology
Converting renewable biomass and their derivatives into chemicals and fuels has received much attention to reduce the dependence on fossil resources. Photocatalytic ethanol dehydrogenation–acetalization to prepare value‐added 1,1‐diethoxyethane and H 2 was achieved over non‐precious metal CdS/Ni‐MoS 2 catalyst under visible light. The system displays an excellent production rate and high selectivity of 1,1‐diethoxyethane, 52.1 mmol g −1 h −1 and 99.2 %, respectively. In‐situ electron spin resonance, photoluminescence spectroscopy and transient photocurrent responses were conducted to investigate the mechanism. This study provides a promising strategy for a green application of bioethanol.
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