Issue 29, 2016

An electron-transfer photochromic metal–organic framework (MOF) compound with a long-lived charge-separated state and high-contrast photoswitchable luminescence

Abstract

Long-lived charge-separated states and photoswitchable photoluminescence are important for many photochemical and photophysical applications. Recent studies have demonstrated the effectiveness of MOFs to achieve long-lived charge-separated states; however, the related studies are still rather rare owing to the limited numbers of photoresponsive MOFs. In this work, a new electron-transfer photochromic MOF compound, encapsulating photoactive viologen cations, was found to exhibit a charge-separated state with a lifetime value of more than 2 months, exceeding the reported values of the analogues. In addition, the photochromic process can afford a luminescence contrast up to 10 times between two stable states, which is higher than those of most known pyridine derivative-based photochromic compounds.

Graphical abstract: An electron-transfer photochromic metal–organic framework (MOF) compound with a long-lived charge-separated state and high-contrast photoswitchable luminescence

Supplementary files

Article information

Article type
Paper
Submitted
02 ዲሴም 2015
Accepted
26 ፌብሩ 2016
First published
26 ፌብሩ 2016

RSC Adv., 2016,6, 24190-24194

An electron-transfer photochromic metal–organic framework (MOF) compound with a long-lived charge-separated state and high-contrast photoswitchable luminescence

X. Xing, Z. Chen, L. Cai, C. Sun, L. Cai, M. Wang and G. Guo, RSC Adv., 2016, 6, 24190 DOI: 10.1039/C5RA25707G

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