Suppressing intersegmental charge transfer in a double-boron multiple-resonance framework for narrowband green electroluminescence.

Authors

Dongyu Xu, Xiaoyu Guo, Shengbing Xiao, Jingsheng Miao, Xiaosong Cao, Chuluo Yang

Published in

Chemical communications (Cambridge, England). Oct 07, 2026. Epub Oct 07, 2026.

Abstract

Para-N-π-N fusion in a double-boron multiple-resonance framework reveals divergent excited-state character. Moderate donor strength preserves short-range charge-transfer character, affording pure-green emission with a 22 nm linewidth, whereas stronger donor character induces intersegmental charge transfer, enhancing vibronic reorganization. Suppression of this pathway is key to narrowband bathochromic tuning.

PMID:
42839892
Bibliographic data and abstract were imported from PubMed on 07 Oct 2026.

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