Issue 19, 2023

The transformation of a zero-dimensional cluster into a one-dimensional chain structure achieving a dramatically enhanced birefringence in tin(ii)-based oxalates

Abstract

Developing new birefringent materials with large optical anisotropy is extremely urgent due to the fantastic progress of laser science and technology. Here, two tin(II)-based oxalates, K2Sn(C2O4)2·H2O and K2Sn2(C2O4)2F2·H2O, were successfully synthesized by simultaneously introducing π-conjugated [C2O4]2− groups and distorted Sn2+-polyhedra with stereochemically active lone pairs. The use of F regulates the arrangement of birefringence-active groups, resulting in the transformation of zero-dimensional (0D) K2Sn(C2O4)2·H2O into 1D K2Sn2(C2O4)2F2·H2O, which successfully enhances birefringence from 0.103@546 nm to 0.301@546 nm. Meaningfully, detailed structural and property analysis demonstrates that the ideal spatial arrangement of all the birefringence-active functional modules can induce strong optical anisotropy, providing an idea for designing birefringent materials with excellent properties.

Graphical abstract: The transformation of a zero-dimensional cluster into a one-dimensional chain structure achieving a dramatically enhanced birefringence in tin(ii)-based oxalates

Supplementary files

Article information

Article type
Research Article
Submitted
29 jún. 2023
Accepted
18 ágú. 2023
First published
19 ágú. 2023

Inorg. Chem. Front., 2023,10, 5602-5610

The transformation of a zero-dimensional cluster into a one-dimensional chain structure achieving a dramatically enhanced birefringence in tin(II)-based oxalates

L. Ren, L. Cheng, X. Zhou, J. Ren, L. Cao, L. Huang, X. Dong, Y. Zhou, D. Gao and G. Zou, Inorg. Chem. Front., 2023, 10, 5602 DOI: 10.1039/D3QI01213A

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