[ICl 4 ] − : A large anisotropic planar anion group produces giant birefringence

Chemical Communications 2026

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Authors: Yi-Chen Liu, Ming-Zhi Zhang, Chun-Li Hu, J. G. Mao
DOI: 10.1039/d6cc00713a
Cited by: 2
References: 35

Abstract

A birefringent anionic group [ICl 4 ] − with giant anisotropy was discovered. Its combination with the organic [C 5 H 7 N 2 ] + cation led to the formation of C 5 H 7 N 2 ICl 4 , which exhibited a giant birefringence (1.162 at 546 nm) and moderate band gap (2.29 eV).

Fields of Study & Subjects

Luminescence and Fluorescent Materials Crystal Structures and Properties Perovskite Materials and Applications

Publication details

Journal / source
Chemical Communications
Publisher
Royal Society of Chemistry (RSC)
Volume
62
Issue
28
Pages
7394–7398
Publication date
1 January 2026
Language
EN