Enhanced Sensitivity and Piezochromic Contrast through Single-Direction Extension of Molecular Structure
作者:Zhao Gao、Kai Wang、Fangming Liu、Cunfang Feng、Xin He、Jinyu Li、Bing Yang、Bo Zou、Ping Lu
DOI:10.1002/chem.201604923
日期:2017.1.18
Two piezochromic materials containing phenanthro[9,10‐d]imidazole and tetraphenylethylene (M1 and M2) were developed. A supra‐amplification piezochromic effect originating from their various long‐to‐short axis ratios was discovered in high‐pressure experiments. Based on the linear relationship between applied pressure and emission‐peak wavelength during pressurizing and depressurizing cycles, quantitative
开发了两种含有菲咯啉[9,10- d ]咪唑和四苯基乙烯的压致变色材料(M1和M2)。在高压实验中发现了由其长短轴比引起的超放大压致变色效应。根据加压和减压循环期间施加压力与发射峰波长之间的线性关系,可以表示出对压致变色的定量灵敏度。M2显示更高对比度的压色(102纳米)和更好的灵敏度(11.19纳米GPA -1),比M1(69纳米和6.12纳米GPA -1),这有助于开发评估压力响应性能更全面的总体战略。