Charge-Transfer within Zr-Based Metal-Organic Framework: The Role of Polar Node

Andrea Van Wyk, Tanner Smith, Jaehong Park, Pravas Deria

Research output: Contribution to journalArticlepeer-review

54 Scopus citations

Abstract

Metal-organic frameworks (MOFs) are emerging materials for electro- and photo-chemical applications, where an understanding of the underlying charge-transfer (CT) process will facilitate designing new materials. However, the involvement of counterions in traditional electrochemical experiments complicates the probe on the role of various components during a CT event. A CT reaction between photoexcited MOF linker and a node-anchored ferrocene, within mesoporous framework NU-1000, was spectroscopically probed without the involvement of electrolyte based counterions. Dielectric dependent CT kinetics indicate that the process involves a high reorganization energy that is required to polarize the node bound hydroxyl/aqua ligands. The findings have clear implication on the design of MOF-based electrocatalysis and photoelectrochemical devices.

Original languageEnglish
Pages (from-to)2756-2760
Number of pages5
JournalJournal of the American Chemical Society
Volume140
Issue number8
DOIs
StatePublished - 28 Feb 2018

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