期刊
JOURNAL OF CLEANER PRODUCTION
卷 307, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2021.127162
关键词
H-2 generation; Photocatalytic acceptorless dehydrogenation (PAD); Non-noble metal co-catalyst; mesoporous carbon nitride(SGCN)
资金
- INST Mohali
- Department of Science and Technology, India (DST) [SR/NM/NT-06/2016, TMD/CERI/BEE/2016/082]
This study demonstrated a photocatalytic acceptorless dehydrogenation process of aromatic amines to imines coupled with H-2 evolution using a non-noble metal catalyst. The synthesized catalyst showed superior photocatalytic activity under visible light conditions, with promising conversion rates for furfuryl amine valorization.
Photocatalysis manifests an invariably quite sustainable process for various chemical transformations. Utilization of electrons and holes for H-2 production and organic transformation boost up the chemical economics for the simultaneous production of H-2 and value-added organic chemicals. This work demonstrated a photocatalytic acceptorless dehydrogenation (PAD) of aromatic amines to imines coupled with H-2 evolution over mesoporous carbon nitride (SGCN) photocatalyst by using non-noble metal (Ni). As synthesized 2 wt% Ni@SGCN catalyst showed superior photocatalytic activity (visible light) for furfuryl amine valorization with H-2 generation rate of 5.03 mu mol/h/g along with 12.5% conversion to imine in 6 h. Among all, 4-methoxybenzylamine depicted a high H-2 production rate of 23.58 mu mol/h/g along with a maximum 36% conversion in 6 h. Eventually, an experiment under natural sunlight showed an H-2 generation rate of 4.6 mu mol/h/g along with 12% conversion of furfuryl amine in 6 h. Moreover, the AQE (%) of the H-2 production was estimated to be 1.1% (400 nm, 20 mg catalyst). (C) 2021 Elsevier Ltd. All rights reserved.
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