Cooperative and Orthogonal Switching in the Solid State Enabled by Metal-Organic Framework Confinement Leading to a Thermo-Photochromic Platform

Gina R. Wilson, Kyoung Chul Park, Grace C. Thaggard, Corey R. Martin, Austin R. Hill, Johanna Haimerl, Jaewoong Lim, Buddhima K.P. Maldeni Kankanamalage, Brandon J. Yarbrough, Kelly L. Forrester, Roland A. Fischer, Perry J. Pellechia, Mark D. Smith, Sophya Garashchuk, Natalia B. Shustova

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

13 Zitate (Scopus)

Abstract

Cooperative behavior and orthogonal responses of two classes of coordinatively integrated photochromic molecules towards distinct external stimuli were demonstrated on the first example of a photo-thermo-responsive hierarchical platform. Synergetic and orthogonal responses to temperature and excitation wavelength are achieved by confining the stimuli-responsive moieties within a metal–organic framework (MOF), leading to the preparation of a novel photo-thermo-responsive spiropyran-diarylethene based material. Synergistic behavior of two photoswitches enables the study of stimuli-responsive resonance energy transfer as well as control of the photoinduced charge transfer processes, milestones required to advance optoelectronics development. Spectroscopic studies in combination with theoretical modeling revealed a nonlinear effect on the material electronic structure arising from the coordinative integration of photoresponsive molecules with distinct photoisomerization mechanisms. Thus, the reported work covers multivariable facets of not only fundamental aspects of photoswitch cooperativity, but also provides a pathway to modulate photophysics and electronics of multidimensional functional materials exhibiting thermo-photochromism.

OriginalspracheEnglisch
Aufsatznummere202308715
FachzeitschriftAngewandte Chemie International Edition in English
Jahrgang62
Ausgabenummer37
DOIs
PublikationsstatusVeröffentlicht - 11 Sept. 2023

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