On 22 Feb., Prof. He YAN from Hong Kong University of Science and Technology was invited to give a talk on Temperature dependent aggregation enables efficient fullerene and non-fullerene organic solar cells -A new path toward next generation organic solar cells, chaired by Prof. Huaiyu Shao, at IAPME. After the talk, Prof. Yan visited the laboratories of IAPME and had a collaboration discussion with Prof. Shao’s group members.