화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.59, 335-340, March, 2018
DOI10.1016/j.jiec.2017.10.040  Export Citation
Inverted polymer solar cells with brush-painted ZnO electron transport layer
Jin-Won Lee, Jun-Seok Yeo1, and Seok-Soon Kim2, †
  • Applied Quantum Composites Research Center, Institute of Advanced Composite Materials, Korea Institute of Science and Technology, Jeollabuk-do 55324, Republic of Korea
  • 1Heeger Center for Advanced Materials (HCAM), School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 500-712, Republic of Korea
  • 2Department of Nano & Chemical Engineering, Kunsan National University, Kunsan, Jeollabuk-do 753-701, Republic of Korea
E-mail:
Air-stable inverted polymer solar cells (IPSCs) were demonstrated by incorporating ZnO electron transport layer (ETL) fabricated with low-cost and simple brush-painting. IPSC with brush-painted ZnO using commonly used 0.75 M zinc acetate solution in 95% 2-methoxyethanol and 5% ethanolamine showed poor efficiency and reproducibility. By optimizing precursor solution and substrate temperature, thieno[3,4-b]thiophene/benzodithiophene (PTB7): [6,6]-phenyl C71-butyric acid methyl ester (PC71BM) based IPSC with high power conversion efficiency (PCE) of 7.63% and desirable device stability was achieved. This indicates that because optimized process conditions are not necessarily transferrable between different techniques, it is worthy of investigation and discussion.
Keywords:Inverted polymer solar cell;Electron transport layer;ZnO;Brush-painting
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