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在Cu2-xS/WS2异构结构中,激发子-等离子驱动的热载体的提取

Manvi Sachdeva1, Himanshu Bhatt1,2, Nitika Kharbanda1

  • 1Institute of Nano Science and Technology, Knowledge City, Sector 81, SAS Nagar, Punjab 140306, India.

The journal of physical chemistry letters
|December 4, 2025
PubMed
概括

这项研究合成了一种新的Cu2−xS/WS2异构结构,以高效地利用来自等离子材料的热电荷载体和来自2D过渡金属化物 (TMC) 的激子,用于先进的光电子.

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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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