Efficiency enhancement in solution-processed organic small molecule: Fullerene solar cells via solvent vapor annealing
Abstract
In this paper, we report highly efficient small molecule solar cells (SMSCs) by using dichloromethane solvent vapor annealing method. The resulted devices delivered a power conversion efficiency (PCE) of 8.3%, which is among the highest in SMSCs. Comparing to the control devices, the short circuit current (Jsc), fill factor, and PCE of solvent vapor annealed devices are significantly improved. Summarizing the results of optical absorption, film morphology, and charge carrier transporting properties, we see that the enhanced structure order and reduced size of phase separation are major reasons for the improved device performances, establishing a solid structure-property relationship. The solvent vapor annealing method can thus be a useful method in device fabrication to enhance performances of SMSCs.
- Publication Date:
- Research Org.:
- Energy Frontier Research Centers (EFRC), Washington D.C. (United States). Polymer-Based Materials for Harvesting Solar Energy (PHaSE)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1226740
- Alternate Identifier(s):
- OSTI ID: 1370260; OSTI ID: 1420504
- Grant/Contract Number:
- SC0001087
- Resource Type:
- Published Article
- Journal Name:
- Applied Physics Letters
- Additional Journal Information:
- Journal Name: Applied Physics Letters Journal Volume: 106 Journal Issue: 18; Journal ID: ISSN 0003-6951
- Publisher:
- American Institute of Physics
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY
Citation Formats
Miao, Jingsheng, Chen, Hui, Liu, Feng, Zhao, Baofeng, Hu, Lingyu, He, Zhicai, and Wu, Hongbin. Efficiency enhancement in solution-processed organic small molecule: Fullerene solar cells via solvent vapor annealing. United States: N. p., 2015.
Web. doi:10.1063/1.4919707.
Miao, Jingsheng, Chen, Hui, Liu, Feng, Zhao, Baofeng, Hu, Lingyu, He, Zhicai, & Wu, Hongbin. Efficiency enhancement in solution-processed organic small molecule: Fullerene solar cells via solvent vapor annealing. United States. https://doi.org/10.1063/1.4919707
Miao, Jingsheng, Chen, Hui, Liu, Feng, Zhao, Baofeng, Hu, Lingyu, He, Zhicai, and Wu, Hongbin. Mon .
"Efficiency enhancement in solution-processed organic small molecule: Fullerene solar cells via solvent vapor annealing". United States. https://doi.org/10.1063/1.4919707.
@article{osti_1226740,
title = {Efficiency enhancement in solution-processed organic small molecule: Fullerene solar cells via solvent vapor annealing},
author = {Miao, Jingsheng and Chen, Hui and Liu, Feng and Zhao, Baofeng and Hu, Lingyu and He, Zhicai and Wu, Hongbin},
abstractNote = {In this paper, we report highly efficient small molecule solar cells (SMSCs) by using dichloromethane solvent vapor annealing method. The resulted devices delivered a power conversion efficiency (PCE) of 8.3%, which is among the highest in SMSCs. Comparing to the control devices, the short circuit current (Jsc), fill factor, and PCE of solvent vapor annealed devices are significantly improved. Summarizing the results of optical absorption, film morphology, and charge carrier transporting properties, we see that the enhanced structure order and reduced size of phase separation are major reasons for the improved device performances, establishing a solid structure-property relationship. The solvent vapor annealing method can thus be a useful method in device fabrication to enhance performances of SMSCs.},
doi = {10.1063/1.4919707},
journal = {Applied Physics Letters},
number = 18,
volume = 106,
place = {United States},
year = {Mon May 04 00:00:00 EDT 2015},
month = {Mon May 04 00:00:00 EDT 2015}
}
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