Inverted polymer solar cells with amorphous indium zinc oxide as the electron-collecting electrode
- Georgia Inst. of Technology, Atlanta, GA (United States). Center for Organic Photonics and Electronics, School of Electrical and Computer Engineering
- School of Materials Science and Engineering, Atlanta, GA (United States)
We report on the fabrication and performance of polymer-based inverted solar cells utilizing amorphous indium zinc oxide (a-IZO) as the electron-collecting electrode. Amorphous IZO films of 200 nm thickness were deposited by room temperature sputtering in a high-purity argon atmosphere. The films possessed a high optical transmittance in the visible region (≥ 80%), a low resistivity (3.3 × 10-4 Ωcm), a low surface roughness (root mean square = 0.68 nm), and a low work function (4.46 ± 0.02 eV). Inverted solar cells with the structure a-IZO/P3HT: PCBM/PEDOT:PSS/Ag exhibited a power conversion efficiency of 3% estimated for AM 1.5G, 100 mW/cm2 illumination.
- Research Organization:
- Energy Frontier Research Centers (EFRC) (United States). Center for Interface Science: Solar Electric Materials (CISSEM)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- DOE Contract Number:
- SC0001084
- OSTI ID:
- 1064775
- Journal Information:
- Opt. Express, Vol. 18, Issue S4; Related Information: CISSEM partners with the University of Arizona (lead); Georgia Institute of Technology; National Renewable Energy Laboratory; Princeton University; University of Washington; ISSN 1094--4087
- Country of Publication:
- United States
- Language:
- English
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