Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices;
Institute of Functional Nano and Soft Materials(FUNSOM);
Soochow University;
Suzhou 215123;
China;
Macao Institute of Materials Science and Engineering;
Macao University of Science and Technology;
Macao 999078;
China;
2D optical waveguide; Polygonal organic microcrystals; Optical waveguide modulation; Precise self-assembly; Molecular design;