Polymorphic AIEgen Crystal

Ultrasensitive Piezoelectric Sensing

An organic luminescent crystal that combines mechanochromic and piezoelectric functions, enabling efficient strain-to-current conversion through tunable molecular packing for flexible sensing and energy harvesting.

Kaiwei, Huang · Tao, Jiang · Liang, Jiexi · Xiaoxue, Chen · Wei, Liu · Wenxuan, Cai · Zeng, Chongyang · Junru, Chen · Zhang, Jun · Cao, Changyong · Feng, Xing

Chemical Engineering Journal 2025

Specifications

up to pA
{'zh': '562', 'en': '0.51'} %
杨氏模量
{'zh': '6.75', 'en': ''} GPa

Advantages

Piezoelectric coefficient d₃₃ of 1.77 pm·V⁻¹

Parallel device configuration detects microvibrations