Oxygen-Assisted Cathodic Deposition of Zeolitic Imidazolate Frameworks with Controlled Thickness

Qing Zhang, Zhengming Wu, Yuan Lv, Yali Li, Yajing Zhao, Rui Zhang, Yushuang Xiao, Xiaofei Shi, Danrui Zhang, Rui Hua, Jianlin Yao, Jun Guo, Rong Huang, Yi Cui, Zhenhui Kang, Subhadip Goswami, Lee Robison, Kepeng Song, Xinghua Li, Yu HanLifeng Chi, Omar K. Farha, Guang Lu

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

Processing metal–organic frameworks (MOFs) as films with controllable thickness on a substrate is increasingly crucial for many applications to realize function integration and performance optimization. Herein, we report a facile cathodic deposition process that enables the large-area preparation of uniform films of zeolitic imidazolate frameworks (ZIF-8, ZIF-71, and ZIF-67) with highly tunable thickness ranging from approximately 24 nm to hundreds of nanometers. Importantly, this oxygen-reduction-triggered cathodic deposition does not lead to the plating of reduced metals (Zn and Co). It is also operable cost-effectively in the absence of supporting electrolyte and facilitates the construction of well-defined sub-micrometer-sized heterogeneous structures within ZIF films.
Original languageEnglish (US)
Pages (from-to)1123-1128
Number of pages6
JournalAngewandte Chemie International Edition
Volume58
Issue number4
DOIs
StatePublished - Dec 17 2018

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This work is supported by the National Natural Science Foundation of China (grant number 21371127), the Collaborative Innovation Center of Suzhou Nano Science and Technology, a project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD), and the 111 Project. O.K.F. gratefully acknowledges support from the Defense Threat Reduction Agency (HDTRA1-18-1-0003).

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