Revisiting the anti-heavy-atom effect: absence of halogen-based bonding and lack of enhanced aggregation-induced emission in bromine-substituted tetraphenylethylene derivatives

2025/01/01 by Xiaohua Liu, Xiaoyang Zhao, Xinrui Chen +2 · 1 voice
Chemistry · Materials Science · #Luminescence Properties of Advanced Materials #Luminescence and Fluorescent Materials #Molecular Sensors and Ion Detection

paper · doi:10.1039/d4qm01086h

openalex publication_date 2025/01/01 · openalex created_date 2025/02/10 · openalex updated_date 2026/05/26

Abstract

Four ETTP derivatives with reversible mechanofluorochromic properties were synthesized. The fluorescence intensity of the brominated ETTP derivatives decreases due to the absence of halogen-based bonding.

Citations

• <i>OLEX2</i>: a complete structure solution, refinement and analysis program
• Definition of the halogen bond (IUPAC Recommendations 2013)
• <i>CrystalExplorer</i>: a program for Hirshfeld surface analysis, visualization and quantitative analysis of molecular crystals

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