Charge carrier recombination in organic solar cells

CM Proctor, M Kuik, TQ Nguyen - Progress in Polymer Science, 2013 - Elsevier
Solution deposited bulk heterojunction organic solar cells are viewed as one of the most
promising alternative energy sources because of their ease of processing and their potential …

Charge generation pathways in organic solar cells: assessing the contribution from the electron acceptor

DM Stoltzfus, JE Donaghey, A Armin, PE Shaw… - Chemical …, 2016 - ACS Publications
Photocurrent generation in organic bulk heterojunction (BHJ) solar cells is most commonly
understood as a process which predominantly involves photoexcitation of the lower …

Long-Range Balanced Electron- and Hole-Transport Lengths in Organic-Inorganic CH3NH3PbI3

G Xing, N Mathews, S Sun, SS Lim, YM Lam, M Grätzel… - Science, 2013 - science.org
Low-temperature solution-processed photovoltaics suffer from low efficiencies because of
poor exciton or electron-hole diffusion lengths (typically about 10 nanometers). Recent …

Ultrafast long-range charge separation in organic semiconductor photovoltaic diodes

S Gélinas, A Rao, A Kumar, SL Smith, AW Chin, J Clark… - Science, 2014 - science.org
Understanding the charge-separation mechanism in organic photovoltaic cells (OPVs) could
facilitate optimization of their overall efficiency. Here we report the time dependence of the …

Sub-picosecond charge-transfer at near-zero driving force in polymer: non-fullerene acceptor blends and bilayers

Y Zhong, M Causa', GJ Moore, P Krauspe… - Nature …, 2020 - nature.com
Organic photovoltaics based on non-fullerene acceptors (NFAs) show record efficiency of 16
to 17% and increased photovoltage owing to the low driving force for interfacial charge …

Pathways to a new efficiency regime for organic solar cells

LJA Koster, SE Shaheen… - Advanced Energy …, 2012 - Wiley Online Library
Three different theoretical approaches are presented to identify pathways to organic solar
cells with power conversion efficiencies in excess of 20%. A radiation limit for organic solar …

Charge formation, recombination, and sweep‐out dynamics in organic solar cells

SR Cowan, N Banerji, WL Leong… - Advanced Functional …, 2012 - Wiley Online Library
This article presents a critical discussion of the various physical processes occurring in
organic bulk heterojunction (BHJ) solar cells based on recent experimental results. The …

What controls the rate of ultrafast charge transfer and charge separation efficiency in organic photovoltaic blends

AC Jakowetz, ML Böhm, J Zhang… - Journal of the …, 2016 - ACS Publications
In solar energy harvesting devices based on molecular semiconductors, such as organic
photovoltaics (OPVs) and artificial photosynthetic systems, Frenkel excitons must be …

Efficient ternary blend bulk heterojunction solar cells with tunable open-circuit voltage

PP Khlyabich, B Burkhart… - Journal of the American …, 2011 - ACS Publications
To explore the potential of ternary blend bulk heterojunction (BHJ) photovoltaics as a
general platform for increasing the attainable performance of organic solar cells, a model …

Materials design considerations for charge generation in organic solar cells

SD Dimitrov, JR Durrant - Chemistry of Materials, 2014 - ACS Publications
This article reviews some of our recent progress on materials design guidelines for
photoinduced charge generation in bulk-heterojunction organic solar cells. Over the last 7 …