Synthesis and Luminescence Properties of Cesium Lead Bromine Quantum Dots

CEN Wan-ying; FAN Ting; LYU Jian-tao; HUANG Yong-fa

doi:10.3788/fgxb20173811.1457

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Synthesis and Luminescence Properties of Cesium Lead Bromine Quantum Dots

更新时间：2020-08-12

- Synthesis and Luminescence Properties of Cesium Lead Bromine Quantum Dots
- Chinese Journal of Luminescence Vol. 38, Issue 11, Pages: 1457-1460(2017)
- 作者机构：
  
  1. 佛山科学技术学院材料科学与能源工程学院,广东佛山,528000
  2. 佛山科学技术学院物理与光电工程学院,广东佛山,528000
- 作者简介：
- 基金信息：
  
  Supported by National Natural Science Foundation of China(51702051);Natural Scienc
- DOI：10.3788/fgxb20173811.1457
  CLC： O482.31
- Received：08 April 2017，
  
  Revised：11 July 2017，
  
  Published：05 November 2017
- 稿件说明：
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岑婉莹, 樊婷, 吕健滔等. 铯铅溴量子点的合成与发光性质[J]. 发光学报, 2017,38(11): 1457-1460

CEN Wan-ying, FAN Ting, LYU Jian-tao etc. Synthesis and Luminescence Properties of Cesium Lead Bromine Quantum Dots[J]. Chinese Journal of Luminescence, 2017,38(11): 1457-1460
岑婉莹, 樊婷, 吕健滔等. 铯铅溴量子点的合成与发光性质[J]. 发光学报, 2017,38(11): 1457-1460 DOI： 10.3788/fgxb20173811.1457.

CEN Wan-ying, FAN Ting, LYU Jian-tao etc. Synthesis and Luminescence Properties of Cesium Lead Bromine Quantum Dots[J]. Chinese Journal of Luminescence, 2017,38(11): 1457-1460 DOI： 10.3788/fgxb20173811.1457.

摘要

通过改进的热注射法制备了铯铅溴量子点材料。制得的量子点属于立方相结构，形貌是纳米立方体形状，尺寸均匀，边长约为10 nm，分散良好，在空气中可稳定2个月以上。铯铅溴量子点有较宽的激发光谱和强烈的绿光发射峰，荧光呈双指数过程衰减，平均寿命为纳秒量级。所得的量子点胶体可以通过滴制或旋涂的方法制成均匀的薄膜，在太阳能电池、光电探测器、LED和激光等半导体光电领域都有潜在的应用。

Abstract

Cesium lead bromine quantum dots were prepared by hot injection method. The obtained quantum dots are cubic structure and present well dispersed nanocubes with uniform length of about 10 nm

which can be stable for more than 2 months in the air. The cesium lead bromine quantum dots have a wide excitation spectrum and strong green emission. The fluorescence decay is fitted to the double exponential process. The quantum dots can form uniform thin films by drop or spin coating method

which has important prospects in solar cell

photoelectric detector

LED

and laser applications

etc

关键词

Keywords

references

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