王青老师、周来运、张文昊赴长春参加“全国第十二届有机固体电子过程暨华人有机光电功能材料学术讨论会”Wang Qing, Zhou Laiyun, and Zhang Wenhao went to Changchun to participate in the 12th National Symposium on Organic Solid Electronic Processes and Chinese Organic Optoelectronic Functional Materials