5. C. Yang, “Molecular Thinking and Design of High Performance Conjugated Organic Semiconductors for Organic Electgronics,” The Korean Society of Industrial and Engineering Chemistry, Invited talk, November 12-14 (2014).

4. C. Yang “Molecular re-thinking and design of high performance conjugated organic semiconductors for organic electronics “The 1st UNIST-HCPST(USTC,CASHIPS) Joint Workshop on Nanomaterials and Their Applications to Energy Conversion and Storage
invited speakers, Nov. 14th, 2013

3. C. Yang,* M. H. Yun, J. Kim, J. Y. Kim “Rod-coil diblock copolymers and their applications in photovoltaics and electroluminescent devices,” Ann. Meeting of the Polymer Society of Korea, 35 (1), Invited talk, April 8-9 (2010).

2. C. Yang, “Heteroanalogues of PCBM：N-Bridged Imino-PCBMs,” Ann. Meeting of the Polymer Society of Korea, 34 (2), Invited talk, October 7-9 (2009).

1. C. Yang, “Organic Semiconductors for Electronic Applications,” Ann. Meeting of the Polymer Society of Korea, 34 (1), Invited talk, April 9-10 (2009).