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在Cu中增强载体-声子散射

Le Luo1, Hao Li2, Zhou Lu2

  • 1Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China.

The journal of physical chemistry letters
|June 9, 2023
PubMed
概括

硫化铜纳米链通过优化激发载体动力学来实现创纪录的光热转换效率 (PCE). 这些等离子纳米材料中的超快速载体-声子散射增强了近红外应用的PCE.

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Carrier Generation and Recombination01:22

Carrier Generation and Recombination

Carrier generation is the process by which electron-hole pairs (EHPs) are created within the semiconductor. In direct-bandgap semiconductors, such as gallium arsenide (GaAs), this occurs efficiently when energy absorption prompts valence electrons to leap into the conduction band, leaving behind holes.
This process is given by the generation rate G and is efficient due to the conservation of momentum between the valence band maximum and conduction band minimum.
Indirect generation involves an...
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