Fabrication of Cu+ sites in confined spaces for adsorptive desulfurization by series connection double-solvent strategy

Cu+-containing materials have shown various application prospects especially in adsorption and catalysis, because they are versatile, non-toxic and low cost. To date, developing a mild and controllable approach for the fabrication of Cu+ sites has remained a pronounced challenge. Herein, we report a...

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Main Authors: Shu Shi, Yu-Xia Li, Shuai-Shuai Li, Xiao-Qin Liu, Lin-Bing Sun
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2022-04-01
Series:Green Energy & Environment
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2468025720301667
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author Shu Shi
Yu-Xia Li
Shuai-Shuai Li
Xiao-Qin Liu
Lin-Bing Sun
author_facet Shu Shi
Yu-Xia Li
Shuai-Shuai Li
Xiao-Qin Liu
Lin-Bing Sun
author_sort Shu Shi
collection DOAJ
description Cu+-containing materials have shown various application prospects especially in adsorption and catalysis, because they are versatile, non-toxic and low cost. To date, developing a mild and controllable approach for the fabrication of Cu+ sites has remained a pronounced challenge. Herein, we report a series connection double-solvent strategy (SCDS) for fabricating Cu+ sites within MIL-101(Cr), a typical metal–organic framework. By employing the SCDS in which vitamin C is chosen as the environmentally benign reducing agent, Cu2+ was incorporated in the pores and then transformed to Cu+ in the confined spaces. Compared to the conventional high-temperature autoreduction method conducted under harsh environment (700 °C for 12 h) with a low Cu+ yield (less than 50%), SCDS can selectively reduce Cu2+ to Cu+ at room temperature without generating any Cu0. The resulting Cu+ modified MIL-101(Cr) exhibits good desulfurization performance in view of both uptake and recyclability.
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spelling doaj.art-de7a4acc09c24019a93070486255fd942022-12-21T19:35:55ZengKeAi Communications Co., Ltd.Green Energy & Environment2468-02572022-04-0172345351Fabrication of Cu+ sites in confined spaces for adsorptive desulfurization by series connection double-solvent strategyShu Shi0Yu-Xia Li1Shuai-Shuai Li2Xiao-Qin Liu3Lin-Bing Sun4State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), College of Chemical Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, ChinaState Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), College of Chemical Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, ChinaState Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), College of Chemical Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, ChinaState Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), College of Chemical Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, ChinaCorresponding author.; State Key Laboratory of Materials-Oriented Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), College of Chemical Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, ChinaCu+-containing materials have shown various application prospects especially in adsorption and catalysis, because they are versatile, non-toxic and low cost. To date, developing a mild and controllable approach for the fabrication of Cu+ sites has remained a pronounced challenge. Herein, we report a series connection double-solvent strategy (SCDS) for fabricating Cu+ sites within MIL-101(Cr), a typical metal–organic framework. By employing the SCDS in which vitamin C is chosen as the environmentally benign reducing agent, Cu2+ was incorporated in the pores and then transformed to Cu+ in the confined spaces. Compared to the conventional high-temperature autoreduction method conducted under harsh environment (700 °C for 12 h) with a low Cu+ yield (less than 50%), SCDS can selectively reduce Cu2+ to Cu+ at room temperature without generating any Cu0. The resulting Cu+ modified MIL-101(Cr) exhibits good desulfurization performance in view of both uptake and recyclability.http://www.sciencedirect.com/science/article/pii/S2468025720301667Double-solvent methodπ-complexation adsorptionSelective reductionDeep desulfurization
spellingShingle Shu Shi
Yu-Xia Li
Shuai-Shuai Li
Xiao-Qin Liu
Lin-Bing Sun
Fabrication of Cu+ sites in confined spaces for adsorptive desulfurization by series connection double-solvent strategy
Green Energy & Environment
Double-solvent method
π-complexation adsorption
Selective reduction
Deep desulfurization
title Fabrication of Cu+ sites in confined spaces for adsorptive desulfurization by series connection double-solvent strategy
title_full Fabrication of Cu+ sites in confined spaces for adsorptive desulfurization by series connection double-solvent strategy
title_fullStr Fabrication of Cu+ sites in confined spaces for adsorptive desulfurization by series connection double-solvent strategy
title_full_unstemmed Fabrication of Cu+ sites in confined spaces for adsorptive desulfurization by series connection double-solvent strategy
title_short Fabrication of Cu+ sites in confined spaces for adsorptive desulfurization by series connection double-solvent strategy
title_sort fabrication of cu sites in confined spaces for adsorptive desulfurization by series connection double solvent strategy
topic Double-solvent method
π-complexation adsorption
Selective reduction
Deep desulfurization
url http://www.sciencedirect.com/science/article/pii/S2468025720301667
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