Ultrafast Electron Transfer in Binary Nanoparticle Superlattices under High Pressure,Physica Status Solidi-Rapid Research Letters

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Ultrafast Electron Transfer in Binary Nanoparticle Superlattices under High Pressure
Physica Status Solidi-Rapid Research Letters ( IF 2.5 ) Pub Date : 2021-03-23 , DOI: 10.1002/pssr.202100066
Ji-Chao Cheng ₁ , Ling-Yun Pan ₁ , Hong-Yu Tu ₁ , Hong-Jian Qi ₁ , Wen-Yu Ji ₁ , Fang-Fei Li ₁ , Ying-Hui Wang ₁ , Shu-Ping Xu ₂ , Zhi-Wei Men ₁ , Tian Cui _{1,

3}

Affiliation

The interparticle spacing of a heterostructure is a crucial factor affecting electron transfer (ET) process. Herein, binary nanoparticle superlattices (BNSLs) composed of CdSe/ZnS quantum dots (QDs) and Au nanoclusters (NCs) are prepared. Steady-state and time-resolved spectra illustrate that the ET accelerates as the pressure increases because pressure effectively adjusts the interparticle spacing. The results also demonstrate that the trap state of the CdSe/ZnS QDs affects the ET process of BNSLs.

中文翻译：

高压下二元纳米粒子超晶格中的超快电子转移

异质结构的粒子间距是影响电子转移 (ET) 过程的关键因素。在此，制备了由 CdSe/ZnS 量子点 (QD) 和 Au 纳米团簇 (NC) 组成的二元纳米粒子超晶格 (BNSL)。稳态和时间分辨光谱表明 ET 随着压力增加而加速，因为压力有效地调整了粒子间距。结果还表明，CdSe/ZnS QD 的陷阱态会影响 BNSL 的 ET 过程。

更新日期：2021-03-23

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