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Photogenerated carrier behavior at a gas–solid interface for CO2 adsorption on Cs2AgBiBr6 nanocrystals
Dalton Transactions ( IF 3.5 ) Pub Date : 2022-11-22 , DOI: 10.1039/d2dt03248a
Rui Zhang 1 , Linjia Li 1 , Bo Tang 2 , Dejun Wang 1 , Yanhong Lin 1 , Tengfeng Xie 1
Affiliation  

Photogenerated carrier behavior at a CO2/Cs2AgBiBr6 quantum dot (QD) interface is investigated. In situ photovoltage spectra reveal electron transfer from the Cs2AgBiBr6 QDs to CO2. Moreover, this carrier transfer prefers Bi3+ sites (over Ca+ and Ag+ sites) due to them exhibiting the lowest adsorption energy (Eads = −0.125 eV) and CO2–Bi3+ interactions being more stable.

中文翻译:

Cs2AgBiBr6 纳米晶体上 CO2 吸附的气-固界面光生载流子行为

研究了CO 2 /Cs 2 AgBiBr 6量子点 (QD) 界面处的光生载流子行为。原位光电压谱显示电子从 Cs 2 AgBiBr 6 QD 转移到 CO 2。此外,这种载流子转移更喜欢 Bi 3+位点(超过 Ca +和 Ag +位点),因为它们表现出最低的吸附能 ( E ads = −0.125 eV) 并且 CO 2 -Bi 3+相互作用更稳定。
更新日期:2022-11-22
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