Journal
ACS NANO
Volume 6, Issue 8, Pages 7185-7190Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn3029327
Keywords
transparent solar cell; transparent electrode; silver nanowire; solution process; polymer solar cell
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Funding
- Engineering School of UCLA
- Office of Naval Research [N00014-04-1-0434]
- Kavli Foundation
- NSF [DGE-0903720, DGE-0654431]
- UCLA Henry Samuli School of Engineering and Applied Science
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Visibly transparent photovoltaic devices can open photovoltaic applications in many areas, such as building-integrated photovoltaics or integrated photovoltaic chargers for portable electronics. We demonstrate high-performance, visibly transparent polymer solar cells fabricated via solution processing. The photoactive layer of these visibly transparent polymer solar cells harvests solar energy from the near-infrared region while being less sensitive to visible photons. The top transparent electrode employs a highly transparent silver nanowire-metal oxide composite conducting film, which is coated through mild solution processes. With this combination, we have achieved 4% power-conversion efficiency for solution-processed and visibly transparent polymer solar cells. The optimized devices have a maximum transparency of 66% at 550 nm.
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