Journal
NANOSCALE
Volume 6, Issue 20, Pages 11681-11684Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nr03433c
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Funding
- National Natural Science Foundation of China [21273269, 10834004]
- National Basic Research Program of China [2011CB932600, 2012CB932402]
- Knowledge Innovation Program by the Chinese Academy of Sciences [KJCX2.YW.M12]
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Transport of photo-carriers across the aligned carbon nanotubes and silicon (CNT/Si) interface determines cell performance. It is revealed that S-shaped current-voltage characters are generated due to the mismatch between the generation and transportation of photo-carriers, which can be eliminated by tuning the light intensity and CNT coverage on the Si surface, with the power conversion efficiency enhanced up to 121%.
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