Water-ethanol solvent mixtures: a promising liquid environment for high quality positively-charged CdTe nanocrystal preparation

Jiang Yuan; Xu Shuhong; Zhao Zengxia; Zheng Liang; Wang Zhuyuan; Wang Chunlei; Cui Yiping

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Water-ethanol solvent mixtures: a promising liquid environment for high quality positively-charged CdTe nanocrystal preparation

机译：水 - 乙醇溶剂混合物：具有高质量带正电压CdTE纳米晶体制剂的有希望的液体环境

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In this work, the record for a photoluminescence (PL) quantum yield (QY) of positively-charged CdTe nanocrystals (NCs) was brought up to 31%, by using a water-ethanol mixture as a new medium for NC synthesis. A series of water-ethanol feed ratios were investigated, with the maximal PL QY achieved in 50% ethanol solvent mixtures. A photoluminescence lifetime measurement and element analysis demonstrated an improved NC surface modification via the synthesis in the water-ethanol solvent mixtures.

机译：在这项工作中，通过使用水 - 乙醇混合物作为NC合成的新培养基，带正电荷的CdTe纳米晶体（NCS）的光致发光（PL）量子产率（QY）的记录达到31％。研究了一系列水 - 乙醇饲料比率，最大PL QY在50％乙醇溶剂混合物中实现。光致发光寿命测量和元素分析证明了通过水 - 乙醇溶剂混合物中的合成改善了Nc表面改性。

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来源
《RSC Advances》 |2015年第24期|共5页
作者
Jiang Yuan; Xu Shuhong; Zhao Zengxia; Zheng Liang; Wang Zhuyuan; Wang Chunlei; Cui Yiping;
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作者单位

Southeast Univ Sch Elect Sci &

Engn Adv Photon Ctr Nanjing 210096 Jiangsu Peoples R China;

Southeast Univ Sch Elect Sci &

Engn Adv Photon Ctr Nanjing 210096 Jiangsu Peoples R China;

Southeast Univ Sch Elect Sci &

Engn Adv Photon Ctr Nanjing 210096 Jiangsu Peoples R China;

Hangzhou Dianzi Univ Lab Nanoelect &

Nanoelect Devices Hangzhou Zhejiang Peoples R China;

Southeast Univ Sch Elect Sci &

Engn Adv Photon Ctr Nanjing 210096 Jiangsu Peoples R China;

Southeast Univ Sch Elect Sci &

Engn Adv Photon Ctr Nanjing 210096 Jiangsu Peoples R China;

Southeast Univ Sch Elect Sci &

Engn Adv Photon Ctr Nanjing 210096 Jiangsu Peoples R China;

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正文语种 eng
中图分类化学;
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1. Water-ethanol solvent mixtures: a promising liquid environment for high quality positively-charged CdTe nanocrystal preparation [J] . Jiang Yuan, Xu Shuhong, Zhao Zengxia, RSC Advances . 2015,第24期

机译：水 - 乙醇溶剂混合物：具有高质量带正电压CdTE纳米晶体制剂的有希望的液体环境
2. Rapid preparation of highly luminescent CdTe nanocrystals in an ionic liquid via a microwave-assisted process [J] . Yu Hayakawa, Yoshiyuki Nonoguchi, Hui-Ping Wu Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology . 2011,第24期

机译：通过微波辅助工艺在离子液体中快速制备高发光CdTe纳米晶体
3. A facile and green preparation of high-quality CdTe semiconductor nanocrystals at room temperature [J] . Liu Y, Shen Q, Yu D, Nanotechnology . 2008,第24期

机译：在室温下轻松绿色制备高质量的CdTe半导体纳米晶体
4. Preparation of mordenite membranes for pervaporation of water-ethanol mixtures [C] . Alberto Navajas, Reyes Mallada, Carlos Tellez, International congress on membranes and membrane processes . 2002

机译：络合越鸟络杂体醚型乙醇混合物的制备
5. Cellulose Dissolution in Ionic Liquids and Their Mixtures with Solvents: Linking Ion/Solvent Structure and Efficacy of Biomass Pretreatment [D] . Brown, Eva Kathryn 2012

机译：纤维素在离子液体及其与溶剂的混合物中的溶解：连接离子/溶剂的结构和生物质预处理的功效
6. In-Situ Preparation of CdTe Quantum Dots Capped with a β-Cyclodextrin-Epichlorohydrin Polymer: Polymer Influence on the Nanocrystal’s Optical Properties [O] . Rudy Martin-Trasanco, Hilda E. Esparza-Ponce, Pedro D. Ortiz, 2018

机译：β-环糊精-表氯醇聚合物包覆的CdTe量子点的原位制备：聚合物对纳米晶体光学性质的影响
7. Numerical Simulation of Vapor-Liquid Equilibria of a Water-Ethanol Mixture [O] . Ikeda Michael Kevin 2011

机译：水-乙醇混合物汽液平衡的数值模拟

Water-ethanol solvent mixtures: a promising liquid environment for high quality positively-charged CdTe nanocrystal preparation

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