王雪东教授课题组在Adv. Mater.上发表论文

作者：

Ying-Xin Ma, Ya-Nan Zhu and Xue-Dong Wang*

单位：

State Key Laboratory of Bioinspired Interfacial Materials Science, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, P. R. China.

摘要：

The miniaturization and integration of electronic/photonic devices demand precise control over light at the micro-scale. However, achieving tailored optical anisotropy through intrinsic material design, rather than external components, remains a significant challenge. Herein, we report a general and programmable strategy for the growth of one-dimensional organic crystals with precisely tunable asymmetric architectures via a spatially defined temperature gradient. By leveraging the competitive, facet-dependent growth kinetics under a thermal bias, continuous and precise control over the structural asymmetry is achieved in single crystals, with a tunable morphological anisotropy ranging from 9% to 81%. The resulting asymmetric crystals exhibit a pronounced direction-dependent optical response, yielding a photoluminescence intensity contrast ratio as high as 113.3, which scales directly with the degree of structural asymmetry. This work establishes a material-based platform for applying direction-dependent photonic properties directly into crystal morphology, paving the way for advanced organic photonic materials with built-in anisotropy.

影响因子：

29.1

分区情况：

一区

链接：

https://advanced.onlinelibrary.wiley.com/doi/10.1002/adma.73910