Concerted Catalysis on Tanghulu-like Cu@Zeolitic Imidazolate Framework-8 (ZIF-8) Nanowires with Tuning Catalytic Performances for 4-nitrophenol Reduction

Dengfeng Wu; Xing Zhang; Jiqin Zhu; Daojian Cheng

From The Journal:

Engineered Science

Volume 2, 2018

Concerted Catalysis on Tanghulu-like Cu@Zeolitic Imidazolate Framework-8 (ZIF-8) Nanowires with Tuning Catalytic Performances for 4-nitrophenol Reduction

Authors
Authors and affiliations

Dengfeng Wu, Xing Zhang, Jiqin Zhu and Daojian Cheng

Dengfeng Wu ^#

Xing Zhang ^#

Jiqin Zhu

Daojian Cheng ^Email

Beijing Key Laboratory of Energy Environmental Catalysis, State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China

^#These authors contributed equally to this work.

Abstract

We report a facile strategy for the fabrication of Tanghulu-like Cu@ZIF-8 nanowires (NWs) by using poly(vinylpyrrolidone)-modified Cu NWs as seeds at normal temperature and pressure. The protecting and directing effects of poly(vinylpyrrolidone) (PVP) are crucial for the in-situ growth of ZIF-8 on Cu NWs. ZIF-8 particles are strung by Cu NW in single Cu@ZIF-8 NW. The catalytic performance of Tanghulu-like Cu@ZIF-8 NWs is much depended on the coverage of ZIF-8 due to the concerted catalysis, resulting in the tuning catalytic performances of beaded and core-shell structures. Particularly, the beaded Cu@ZIF-8 NWs exhibited significantly enhanced catalytic performance for the reduction of 4-nitrophenol (4-NP). ZIF-8 on Cu NWs can offer an enhanced capacity for adsorbing reactants (BH₄ - and 4-NP) and rapidly transfer active hydrogen species and 4-NP- toward Cu active sites. This work offers a simple strategy for the architecture of other promising beaded onedimensional structure as enhanced functional materials.

Concerted Catalysis on Tanghulu-like Cu@Zeolitic Imidazolate Framework-8 (ZIF-8) Nanowires with Tuning Catalytic Performances for 4-nitrophenol Reduction

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Received: 09 May 2018
Revised: 17 May 2018
Accepted: 21 May 2018
Published online: 22 May 2018

Article type:
Research Paper

DOI:
10.30919/es8d718

Volume:
2

Page:
49-56

Citation:
Engineered Science, 2018, 2, 49-56

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6187

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The catalytic performance of Tanghulu-like Cu@ZIF-8 NWs is depended on the coverage of ZIF-8 on Cu N....

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es8d718_Supporting information

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Concerted Catalysis on Tanghulu-like Cu@Zeolitic Imidazolate Framework-8 (ZIF-8) Nanowires with Tuning Catalytic Performances for 4-nitrophenol Reduction

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