Supplementary Information for Organic semiconductor heterojunctions: electrode independent charge injectors for high-performance organic light-emitting diodes Yonghua Chen1,2, Dongge Ma1,*, Hengda Sun1, Jiangshan Chen1, Qingxun Guo1, Qiang Wang,3 Yongbiao Zhao4 Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied 1State Chemistry, Chinese Academy of Sciences, Changchun 130022, China of Macromolecular Science and Engineering, School of Engineering, Case Western 2Department Reserve University, Cleveland, OH 44106, USA of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710062, China 3School Center of Excellence for Semiconductor Lighting and Displays, School of Electrical 4Luminous! and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore mdg1014@ciac.ac.cn *e-mail:
Supplementary Information for Organic semiconductor heterojunctions: electrode independent charge injectors for high-performance organic light-emitting diodes Yonghua Chen1,2, Dongge Ma1,*, Hengda Sun1, Jiangshan Chen1, Qingxun Guo1, Qiang Wang,3 Yongbiao Zhao4 1State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China 2Department of Macromolecular Science and Engineering, School of Engineering, Case Western Reserve University, Cleveland, OH 44106, USA 3School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710062, China 4Luminous! Center of Excellence for Semiconductor Lighting and Displays, School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore *e-mail: mdg1014@ciac.ac.cn