All‐Polymer Solar Cells: Recent Progress, Challenges, and Prospects

For over two decades bulk‐heterojunction polymer solar cell (BHJ‐PSC) research was dominated by donor:acceptor BHJ blends based on polymer donors and fullerene molecular acceptors. This situation has changed recently, with non‐fullerene PSCs developing very rapidly. The power conversion efficiencies...

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Vydáno v:Angewandte Chemie (International ed.) Ročník 58; číslo 13; s. 4129 - 4142
Hlavní autoři: Wang, Gang, Melkonyan, Ferdinand S., Facchetti, Antonio, Marks, Tobin J.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Germany Wiley Subscription Services, Inc 22.03.2019
Wiley Blackwell (John Wiley & Sons)
Vydání:International ed. in English
Témata:
all-polymer solar cells
bulk heterojunction
Electromagnetic absorption
Energy conversion efficiency
Fullerenes
Heterojunctions
Morphology
morphology engineering
Optimization
organic photovoltaics
Photovoltaic cells
Polymer blends
Polymers
Solar cells
stability
morphology engineering
bulk heterojunction
stability
organic photovoltaics
all-polymer solar cells
ISSN:1433-7851, 1521-3773, 1521-3773
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Shrnutí:For over two decades bulk‐heterojunction polymer solar cell (BHJ‐PSC) research was dominated by donor:acceptor BHJ blends based on polymer donors and fullerene molecular acceptors. This situation has changed recently, with non‐fullerene PSCs developing very rapidly. The power conversion efficiencies of non‐fullerene PSCs have now reached over 15 %, which is far above the most efficient fullerene‐based PSCs. Among the various non‐fullerene PSCs, all‐polymer solar cells (APSCs) based on polymer donor‐polymer acceptor BHJs have attracted growing attention, due to the following attractions: 1) large and tunable light absorption of the polymer donor/polymer acceptor pair; 2) robustness of the BHJ film morphology; 3) compatibility with large scale/large area manufacturing; 4) long‐term stability of the cell to external environmental and mechanical stresses. This Minireview highlights the opportunities offered by APSCs, selected polymer families suitable for these devices with optimization to enhance the performance further, and discusses the challenges facing APSC development for commercial applications. APSCs offer all: All‐polymer solar cells have attracted great attention, owing to rational design, improved morphology, strong absorption, enhanced stability etc. This Minireview highlights the opportunities of APSCs, selected polymer families suitable for these devices with optimization to enhance the performance further, and discusses the challenges facing APSC development for commercial applications.
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USDOE
SC0001059
ISSN:1433-7851
1521-3773
1521-3773
DOI:10.1002/anie.201808976