Panchromatic polymer-polymer ternary solar cells enhanced by Forster resonance energy transfer and solvent vapor annealing
Abstract
Thanks to the bulk-heterojunction (BHJ) feature of polymer solar cells (PSC), additional light active components can be added with ease to form ternary solar cells. This strategy has achieved great success largely due to expanded spectral response range and improved power conversion efficiency (PCE) without incurring excessive processing costs. Here, we report ternary blend polymer–polymer solar cells comprised of PTB7, P3HT, and PC71BM with PCE as high as 8.2%. Analyses of femtosecond time resolved photoluminescence and transient absorption spectroscopy data confirm that P3HT is effective in transferring energy non-radiatively by inducing excitons and prolonging their overall lifetime in PTB7. As a result, solvent vapor annealing (SVA) treatment was employed to rectify the overly-coarse morphology, thus enhancing the fill factor, reducing interfacial recombination, and boosting the PCE to 8.7%.
- Authors:
-
- Yale Univ., New Haven, CT (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Yale Univ., New Haven, CT (United States); California Institute of Technology, Pasadena, CA (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1226069
- Report Number(s):
- BNL-108547-2015-JA
Journal ID: ISSN 2050-7488; JMCAET; R&D Project: 16063; KC0403020
- Grant/Contract Number:
- SC00112704
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Materials Chemistry. A
- Additional Journal Information:
- Journal Volume: 3; Journal Issue: 36; Journal ID: ISSN 2050-7488
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 77 NANOSCIENCE AND NANOTECHNOLOGY; P3HT; PTB7; ternary solar cells; energy transfer; solvent annealing; bulk-heterojunction; polymer photovolatics; Center for Functional Nanomaterials
Citation Formats
Goh, Tenghooi, Sfeir, Matthew Y., Huang, Jing -Shun, Bartolome, Benjamin, Vaisman, Michelle, Lee, Minjoo L., and Taylor, Andre D. Panchromatic polymer-polymer ternary solar cells enhanced by Forster resonance energy transfer and solvent vapor annealing. United States: N. p., 2015.
Web. doi:10.1039/c5ta04905a.
Goh, Tenghooi, Sfeir, Matthew Y., Huang, Jing -Shun, Bartolome, Benjamin, Vaisman, Michelle, Lee, Minjoo L., & Taylor, Andre D. Panchromatic polymer-polymer ternary solar cells enhanced by Forster resonance energy transfer and solvent vapor annealing. United States. https://doi.org/10.1039/c5ta04905a
Goh, Tenghooi, Sfeir, Matthew Y., Huang, Jing -Shun, Bartolome, Benjamin, Vaisman, Michelle, Lee, Minjoo L., and Taylor, Andre D. Tue .
"Panchromatic polymer-polymer ternary solar cells enhanced by Forster resonance energy transfer and solvent vapor annealing". United States. https://doi.org/10.1039/c5ta04905a. https://www.osti.gov/servlets/purl/1226069.
@article{osti_1226069,
title = {Panchromatic polymer-polymer ternary solar cells enhanced by Forster resonance energy transfer and solvent vapor annealing},
author = {Goh, Tenghooi and Sfeir, Matthew Y. and Huang, Jing -Shun and Bartolome, Benjamin and Vaisman, Michelle and Lee, Minjoo L. and Taylor, Andre D.},
abstractNote = {Thanks to the bulk-heterojunction (BHJ) feature of polymer solar cells (PSC), additional light active components can be added with ease to form ternary solar cells. This strategy has achieved great success largely due to expanded spectral response range and improved power conversion efficiency (PCE) without incurring excessive processing costs. Here, we report ternary blend polymer–polymer solar cells comprised of PTB7, P3HT, and PC71BM with PCE as high as 8.2%. Analyses of femtosecond time resolved photoluminescence and transient absorption spectroscopy data confirm that P3HT is effective in transferring energy non-radiatively by inducing excitons and prolonging their overall lifetime in PTB7. As a result, solvent vapor annealing (SVA) treatment was employed to rectify the overly-coarse morphology, thus enhancing the fill factor, reducing interfacial recombination, and boosting the PCE to 8.7%.},
doi = {10.1039/c5ta04905a},
journal = {Journal of Materials Chemistry. A},
number = 36,
volume = 3,
place = {United States},
year = {Tue Aug 04 00:00:00 EDT 2015},
month = {Tue Aug 04 00:00:00 EDT 2015}
}
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