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Photochromic thienylpyridine-bis(alkynyl)borane complexes: toward readily tunable fluorescence dyes and
Hok-Lai Wong1, Wing-Tak Wong, Vivian Wing-Wah Yam
1Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)), The University of Hong Kong, Pokfulam Road, Hong Kong.
Abstract:
A series of diarylethene-containing N^C chelated thienylpyridine-bis(alkynyl)borane complexes has been designed and synthesized. Their photophysical and photochromic properties have been investigated and presented. The characteristic low-energy absorption band of their closed forms could be readily tuned from the visible range to the near-infrared region.
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