无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ
研究与开发

水溶液中均匀硫化镉微球的制备及其在结构色中的应用

  • 南金箭 ,
  • 武素丽
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  • 大连理工大学精细化工国家重点实验室,辽宁大连 116024
南金箭(1997— ),男,硕士,研究方向为光子晶体;E-mail: dlut2019njj@mail.dlut.edu.cn

收稿日期: 2021-10-18

  网络出版日期: 2022-04-18

基金资助

国家自然科学基金(22178047);国家自然科学基金(21878042);中央高校基本科研业务费专项资金(DUT20ZD222);中央高校基本科研业务费专项资金(DUT19TD28);大连市科技创新基金(2020JJ26GX046)

Preparation of uniform cadmium sulfide microspheres in aqueous solution and their application in structural color

  • Jinjian NAN ,
  • Suli WU
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  • State KeyLaboratory of Fine Chemicals,Dalian University of Technology,Dalian 116024,China

Received date: 2021-10-18

  Online published: 2022-04-18

摘要

均匀的硫化镉(CdS)微球具有较高的折射率,由其组成的光子晶体颜色亮丽,具有低角度依存性,近年来在结构生色领域被广泛应用。但是,目前较为成熟的合成均匀硫化镉微球的方法存在有机溶剂的大量使用和高温能耗大等问题。因此,设计了一种在水溶液中合成均匀硫化镉微球的绿色合成方法,通过受控注射的方式辅助进料,解决了金属盐前驱体在水中水解速度过快导致微球生长不平衡的问题。同时,受控注射的方式可以更有利于控制体系中二价镉的浓度,成功地合成出180~410 nm的均匀硫化镉微球。进一步通过水平诱导组装的方式构筑了以不同粒径的硫化镉微球为基元的三维光子晶体结构。这种光子晶体薄膜展示出亮丽、低角度依存的结构色,更利于结构色在颜色显示等领域的应用。

本文引用格式

南金箭 , 武素丽 . 水溶液中均匀硫化镉微球的制备及其在结构色中的应用[J]. 无机盐工业, 2022 , 54(4) : 94 -99 . DOI: 10.19964/j.issn.1006-4990.2021-0618

Abstract

Uniform cadmium sulfide(CdS) microspheres have high refractive index,and the photonic crystals composed of them have bright color and low angle dependence,which have been widely used in the field of structural color in recent years.However,the current mature methods for the preparation of uniform CdS microspheres have some problems,such as the large use of organic solvents and high energy consumption at high temperature.Therefore,a green preparation method for preparing uniform CdS microspheres in aqueous solution was designed.The controlled injection assisted feeding solved the problem of unbalanced growth of microspheres caused by too fast hydrolysis of metal salt precursors in water.At the same time,the controlled injection method could be more conducive to controlling the concentration of Cd2+ in the system and successfully synthesized uniform CdS microspheres with 180~410 nm.Further,three-dimensional photonic crystal structures based on CdS microspheres with different particle sizes were constructed by horizontal induced assembly.This photonic crystal film showed bright and low angle dependent structural color,which was more conducive to the application of structural color in color display and other fields.

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