期刊
SMALL
卷 12, 期 4, 页码 416-431出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201502258
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资金
- General Research Fund from the Research Grants Council of Hong Kong Special Administrative Region, China [HKU711612E]
- Collaborative Research Fund from the Research Grants Council of Hong Kong Special Administrative Region, China [CUHK1/CRF/12G, C7045-14E]
- RGC-NSFC grant from the Research Grants Council of Hong Kong Special Administrative Region, China [N_HKU709/12]
- CAS-Croucher Funding Scheme for Joint Laboratories from the Croucher Foundation [CAS14601]
Carrier (electron and hole) transport layers (CTLs) are essential components for boosting the performance of various organic optoelectronic devices such as organic solar cells and organic light-emitting diodes. Considering the drawbacks of conventional CTLs (easily oxidized/unstable, demanding/costly fabrication, etc.), transition metal oxides with good carrier transport/extraction and superior stability have drawn extensive research interest as CTLs for next-generation devices. In recent years, many research efforts have been made toward the development of solution-based metal oxide CTLs with the focus on low-or even room-temperature processes, which can potentially be compatible with the deposition processes of organic materials and can significantly contribute to the low-cost and scale-up of organic devices. Here, the recent progress of different types of solution-processed metal oxide CTLs are systematically reviewed in the context of organic photovoltaics, from synthesis approaches to device performance. Different approaches for further enhancing the performance of solution-based metal oxide CTLs are also discussed, which may push the future development of this exciting field.
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