High Efficiency Near-Infrared and Semitransparent Non-Fullerene Acceptor Organic Photovoltaic Cells
Top Cited Papers
- 16 November 2017
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 139 (47), 17114-17119
- https://doi.org/10.1021/jacs.7b11278
Abstract
The absence of near-infrared (NIR) solar cells with high open circuit voltage (Voc) and external quantum efficiency (EQE) has impeded progress toward achieving organic photovoltaic (OPV) power conversion efficiency PCE > 15%. Here we report a small energy gap (1.3 eV), chlorinated nonfullerene acceptor-based solar cell with PCE = 11.2 ± 0.4%, short circuit current of 22.5 ± 0.6 mA cm–2, Voc = 0.70 ± 0.01 V and fill factor of 0.71 ± 0.02, which is the highest performance reported to date for NIR single junction OPVs. Importantly, the EQE of this NIR solar cell reaches 75%, between 650 and 850 nm while leaving a transparency window between 400 and 600 nm. The semitransparent OPV using an ultrathin (10 nm) Ag cathode shows PCE = 7.1 ± 0.1%, with an average visible transmittance of 43 ± 2%, Commission d’Eclairage chromaticity coordinates of (0.29, 0.32) and a color rendering index of 91 for simulated AM1.5 illumination transmitted through the cell.Keywords
Funding Information
- Office of Energy Efficiency and Renewable Energy (DE-EE0006708)
- Office of Naval Research (N00014-17-1-2211)
- National Natural Science Foundation of China (21504062)
- Collaborative Innovation Center of Suzhou Nano Science and Technology
This publication has 58 references indexed in Scilit:
- Efficient organic solar cells processed from hydrocarbon solventsNature Energy, 2016
- High‐Efficiency, Vacuum‐Deposited, Small‐Molecule Organic Tandem and Triple‐Junction Photovoltaic CellsAdvanced Energy Materials, 2014
- Small-Bandgap Semiconducting Polymers with High Near-Infrared PhotoresponseJournal of the American Chemical Society, 2014
- An Efficient Triple‐Junction Polymer Solar Cell Having a Power Conversion Efficiency Exceeding 11%Advanced Materials, 2014
- Factors Limiting Device Efficiency in Organic PhotovoltaicsAdvanced Materials, 2012
- Organic solar cells: A new look at traditional modelsEnergy & Environmental Science, 2011
- The path to ubiquitous and low-cost organic electronic appliances on plasticNature, 2004
- Efficient bulk heterojunction photovoltaic cells using small-molecular-weight organic thin filmsNature, 2003
- Very-high-efficiency double-heterostructure copper phthalocyanine/C60 photovoltaic cellsApplied Physics Letters, 2001
- Polymer Photovoltaic Cells: Enhanced Efficiencies via a Network of Internal Donor-Acceptor HeterojunctionsScience, 1995