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Updated: Jan 15, 2026

Qualitative Identification of Carboxylic Acids, Boronic Acids, and Amines Using Cruciform Fluorophores
Published on: August 19, 2013
Tuning solvatochromism and F- sensing via acceptor stoichiometry-mediated charge-transfer modulation in
Man Qin1, Chenghui Wang1, Chunliang Yang1
1School of Chemistry and Chemical Engineering, Guizhou University, Guiyang 550025, Guizhou, P. R. China. jiangzhao@gzu.edu.cn.
Abstract:
Modulating charge transfer (CT) is key in donor-acceptor (D-A) emitter designs. By altering triarylboron acceptor stoichiometry on a strong donor scaffold indolocarbazole, two emitters, single-acceptor ICZ-1B and dual-acceptor ICZ-2B are developed. By comparison, ICZ-2B exhibits a greater solvatochromic response, the CT effect, and an outcompeted F- detection limit of 5.18 × 10-8 M. This demonstrates that acceptor stoichiometry modulation is an effective strategy for developing high-performance D-A sensors.
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