Morphology evolution in high-performance polymer solar cells processed from nonhalogenated solvent
A new processing protocol based on non-halogenated solvent and additive is developed to produce polymer solar cells with power conversion efficiencies better than those processed from commonly used halogenated solvent-additive pair. Morphology studies show that good performance correlates with a finely distributed nanomorphology with a well-defined polymer fibril network structure, which leads to balanced charge transport in device operation.
- South China Univ. of Technology, Guangzhou (China). Institute of Polymer Optoelectronic Materials and Devices, State Key Lab. of Luminescent Materials and Devices.
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Materials Science Div.
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Materials Science Div.; Univ. of Massachusetts, Amherst, MA (United States). Polymer Science and Engineering Dept.
- Publication Date:
- OSTI Identifier:
- Grant/Contract Number:
- AC02-05CH11231; SC0001087
- Accepted Manuscript
- Journal Name:
- Advanced Science
- Additional Journal Information:
- Journal Name: Advanced Science; Journal ID: ISSN 2198-3844
- Research Org:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Country of Publication:
- United States
- 14 SOLAR ENERGY additives; high-performance solar cells; morphology evolution; nonhalogenated solvents; polymer solar cells
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