期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 8, 期 10, 页码 2316-2328出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201300600
关键词
fullerenes; photovoltaic materials; acceptors; polymer solar cells
资金
- NSFC [50633050, 20874106, 20821120293, 50933003, 91023039, 21021091]
- Ministry of Science and Technology of China [2010DFB63530, 2011AA050523]
- Chinese Academy of Sciences [KGCX2-YW-399+9-1, GJHZ1124]
Polymer solar cells (PSCs) have drawn great attention in recent years for their simple device structure, light weight, and low-cost fabrication in comparison with inorganic semiconductor solar cells. However, the power-conversion efficiency (PCE) of PSCs needs to be increased for their future application. The key issue for improving the PCE of PSCs is the design and synthesis of high-efficiency conjugated polymer donors and fullerene acceptors for the photovoltaic materials. For the acceptor materials, several fullerene-bisadduct acceptors with high LUMO energy levels have demonstrated excellent photovoltaic performance in PSCs with P3HT as a donor. In this Focus Review, recent progress in high-efficiency fullerene-bisadduct acceptors is discussed, including the bisadduct of PCBM, indene-C-60 bisadduct (ICBA), indene-C-70 bisadduct (IC(70)BA), DMPCBA, NCBA, and bisTOQC. The LUMO levels and photovoltaic performance of these bisadduct acceptors with P3HT as a donor are summarized and compared. In addition, the applications of an ICBA acceptor in new device structures and with other conjugated polymer donors than P3HT are also introduced and discussed.
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