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Quantitative Analysis of Photons Decaying Pathways in Si Nanowires Array for High Efficient Photoelectrochemical Solar Hydrogen Generation
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Update time: 2015-03-11
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Scientists quantitatively investigated excitons' decaying pathways of photon-excited SiNW arrays to determine the reason for their low performances. It is demonstrated that excitons decay through both carriers' separation and energy transfer due to Si's indirect-band-gap feature, and these two pathways could be regulated through surface modification.

Chem. Commun., 2015, 51, 3383-3386

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