期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 5, 期 23, 页码 4207-4212出版社
AMER CHEMICAL SOC
DOI: 10.1021/jz5021795
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资金
- European Community under SANS [246124]
- Engineering and Physical Sciences Research Council
- EPSRC [EP/F039751/1, EP/F065884/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [1511477, 1214918, EP/F065884/1, EP/F039751/1] Funding Source: researchfish
Here, we report the use of polymer-wrapped carbon nanotubes as a means to enhance charge extraction through undoped spiro-OMeTAD. With this approach a good solar cell performance is achieved without the implementation of conventional doping methods. We demonstrate that a stratified two-layer architecture of sequentially deposited layers of carbon nanotubes and spiro-OMeTAD, outperforms a conventional blend of the hole-conductor and the carbon nanotubes. We also provide insights into the mechanism of the rapid hole extraction observed in the two-layer approach.
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