Nature Communications (Feb 2022)

Tailoring the coercive field in ferroelectric metal-free perovskites by hydrogen bonding

  • Hwa Seob Choi,
  • Shunning Li,
  • In-Hyeok Park,
  • Weng Heng Liew,
  • Ziyu Zhu,
  • Ki Chang Kwon,
  • Lin Wang,
  • In-Hwan Oh,
  • Shisheng Zheng,
  • Chenliang Su,
  • Qing-Hua Xu,
  • Kui Yao,
  • Feng Pan,
  • Kian Ping Loh

DOI
https://doi.org/10.1038/s41467-022-28314-8
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 7

Abstract

Read online

All-organic perovskites exhibit structural tunability and solution-processability, but are disadvantaged by a lower coercive field compared to inorganic ones. Here, the authors demonstrate that modulating hydrogen bond strength in such perovskites can generate a large coercive field.