Microwave-antenna induced in situ synthesis of Cu nanowire threaded ZIF-8 with enhanced catalytic activity in H2 production.

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Abstract

A microwave-antenna strategy was developed for the in situ synthesis of Cu nanowire (CuNW) threaded ZIF-8. The CuNWs acted as microwave-antennas to generate surface "super hot" dots. The high temperature of "super hot" dots induced adsorption and coordination of metal ions and organic ligands, followed by in situ assembly and crystal-growth along the CuNWs. This catalyst exhibited high activity and stability in H2 production via NH3BH3 hydrolysis owing to the synergetic effect. The CuNWs supplied a rapid electron transfer channel while ZIF-8 assembled on the CuNWs offered a large capacity for adsorbing reactants and channels for rapidly transferring H(-)/H(+) ions toward Cu active sites. Other one-dimensional threaded MOFs, including CuNW threaded MOF-5 and UIO-66, or carbon nanotube threaded ZIF-8 and ZIF-67 could also be prepared using the microwave-antenna strategy.

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Journal

Journal ID (iso-abbrev): Nanoscale

Title: Nanoscale

Publisher: Royal Society of Chemistry (RSC)

ISSN (Electronic): 2040-3372

ISSN (Print): 2040-3364

Publication date (Electronic): Apr 14 2016

Volume: 8

Issue: 14

Affiliations

[1 ] Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Department of Chemistry, Shanghai Normal University, 100 Guilin Road, Shanghai, 200234, China. hexing-li@shnu.edu.cn.

[2 ] Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Department of Chemistry, Shanghai Normal University, 100 Guilin Road, Shanghai, 200234, China. hexing-li@shnu.edu.cn and Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan. yamashita@mat.eng.osaka-u.ac.jp.

[3 ] Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan. yamashita@mat.eng.osaka-u.ac.jp.

[4 ] Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan. yamashita@mat.eng.osaka-u.ac.jp and Unit of Elements Strategy Initiative for Catalysts & Batteries, Kyoto University, Kyoto 606-8501, Japan.

Article

DOI: 10.1039/c5nr07505j

PubMed ID: 27001205

SO-VID: f2c913ca-e0c5-485d-a2f0-f246532a4dad

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