Simultaneous spin-coating and solvent annealing: Manipulating the active layer morphology to a power conversion efficiency of 9.6% in polymer solar cells
Abstract
Here, we developed a simultaneous spin-coating/solvent-annealing process and demonstrated morphology optimization for PTB7 based organic photovoltaics. This novel processing method enhances the edge-on crystalline content in thin films and induces the formation of weak PCBM aggregates. As a result, the efficiency of polymer solar cells increased from 9.2% to a certified high efficiency of 9.61%, owing to an enhanced short-circuit current (Jsc, 18.4 mA cm–2vs. 17. 5 mA cm–2) and an improved fill factor.
- Authors:
-
- South China Univ. of Technology, Guangzhou (People's Republic of China)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of Massachusetts, Amherst, MA (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of Massachusetts, Amherst, MA (United States); Tokoku Univ., Aoba (Japan)
- Publication Date:
- Research Org.:
- Energy Frontier Research Centers (EFRC) (United States). Polymer-Based Materials for Harvesting Solar Energy (PHaSE); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1319225
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Materials Horizons
- Additional Journal Information:
- Journal Volume: 2; Journal Issue: 6; Journal ID: ISSN 2051-6347
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
He, Zhicai, Liu, Feng, Wang, Cheng, Chen, Jihua, He, Lilin, Nordlund, Dennis, Wu, Hongbin, Russell, Thomas P., and Cao, Yong. Simultaneous spin-coating and solvent annealing: Manipulating the active layer morphology to a power conversion efficiency of 9.6% in polymer solar cells. United States: N. p., 2015.
Web. doi:10.1039/C5MH00076A.
He, Zhicai, Liu, Feng, Wang, Cheng, Chen, Jihua, He, Lilin, Nordlund, Dennis, Wu, Hongbin, Russell, Thomas P., & Cao, Yong. Simultaneous spin-coating and solvent annealing: Manipulating the active layer morphology to a power conversion efficiency of 9.6% in polymer solar cells. United States. https://doi.org/10.1039/C5MH00076A
He, Zhicai, Liu, Feng, Wang, Cheng, Chen, Jihua, He, Lilin, Nordlund, Dennis, Wu, Hongbin, Russell, Thomas P., and Cao, Yong. Thu .
"Simultaneous spin-coating and solvent annealing: Manipulating the active layer morphology to a power conversion efficiency of 9.6% in polymer solar cells". United States. https://doi.org/10.1039/C5MH00076A. https://www.osti.gov/servlets/purl/1319225.
@article{osti_1319225,
title = {Simultaneous spin-coating and solvent annealing: Manipulating the active layer morphology to a power conversion efficiency of 9.6% in polymer solar cells},
author = {He, Zhicai and Liu, Feng and Wang, Cheng and Chen, Jihua and He, Lilin and Nordlund, Dennis and Wu, Hongbin and Russell, Thomas P. and Cao, Yong},
abstractNote = {Here, we developed a simultaneous spin-coating/solvent-annealing process and demonstrated morphology optimization for PTB7 based organic photovoltaics. This novel processing method enhances the edge-on crystalline content in thin films and induces the formation of weak PCBM aggregates. As a result, the efficiency of polymer solar cells increased from 9.2% to a certified high efficiency of 9.61%, owing to an enhanced short-circuit current (Jsc, 18.4 mA cm–2vs. 17. 5 mA cm–2) and an improved fill factor.},
doi = {10.1039/C5MH00076A},
journal = {Materials Horizons},
number = 6,
volume = 2,
place = {United States},
year = {Thu Aug 20 00:00:00 EDT 2015},
month = {Thu Aug 20 00:00:00 EDT 2015}
}
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