Core–shell silica@CuxZnAl LDH catalysts for efficient CO2 hydrogenation to methanol

The efficient production of methanol by reduction of CO2 using green hydrogen is a promising strategy from both a green chemistry and a carbon net zero perspective. Herein, we report the synthesis of well-dispersed core–shell catalyst precursors using silica@CuxZnAl-LDHs that can convert CO2 to meth...

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Veröffentlicht in:	Chemical science (Cambridge) 2023-09, Vol.14 (36), p.9814-9819
Hauptverfasser:	Lyu, Meng, Zheng, Jianwei, Coulthard, Claire, Ren, Jing, Zhao, Yufei, Shik Chi Edman Tsang, Chen, Chunping, O'Hare, Dermot
Format:	Artikel
Sprache:	eng
Schlagworte:	Carbon dioxide Catalysts Chemical synthesis Chemistry Green hydrogen Methanol Precursors Silicon dioxide
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container_title	Chemical science (Cambridge)
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creator	Lyu, Meng Zheng, Jianwei Coulthard, Claire Ren, Jing Zhao, Yufei Shik Chi Edman Tsang Chen, Chunping O'Hare, Dermot
description	The efficient production of methanol by reduction of CO2 using green hydrogen is a promising strategy from both a green chemistry and a carbon net zero perspective. Herein, we report the synthesis of well-dispersed core–shell catalyst precursors using silica@CuxZnAl-LDHs that can convert CO2 to methanol. The catalyst precursors can be formed using either a commercially available silica (ES757) or a mesoporous silica (e.g. MCM-48). These hybrid materials show significantly enhanced catalytic performance compared to the equivalent unsupported CuxZnAl LDH precursor. Space-time yields of up to 0.7 gMeOH gcat−1 h−1 under mild operating conditions were observed.
doi_str_mv	10.1039/d3sc02205f
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subjects	Carbon dioxide Catalysts Chemical synthesis Chemistry Green hydrogen Methanol Precursors Silicon dioxide
title	Core–shell silica@CuxZnAl LDH catalysts for efficient CO2 hydrogenation to methanol
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