Semiconductor behavior of a metal-organic framework (MOF).
Chemistry, 2007;13(18):5106-12.
Alvaro M[1], Carbonell E, Ferrer B, Llabrés i Xamena FX, Garcia H
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PMID: 17385196
Impact factor: 5.02
Abstract
Upon light excitation MOF-5 behaves as a semiconductor and undergoes charge separation (electrons and holes) decaying in the microsecond time scale. The actual conduction band energy value was estimated to be 0.2 V versus NHE with a band gap of 3.4 eV. Photoinduced electron transfer processes to viologen generates the corresponding viologen radical cation, while holes of MOF-5 oxidizes N,N,N',N'-tetramethyl-p-phenylenediamine. One application investigated for MOF-5 as a semiconductor has been the shape-selective photocatalyzed degradation of phenol in aqueous solutions.
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