氧化石墨烯液晶的光电特性与显示应用

林述锋; 沈田子

doi:10.37188/YJYXS20203507.0733

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氧化石墨烯液晶的光电特性与显示应用

先进显示研究 | 更新时间：2020-07-13

- 氧化石墨烯液晶的光电特性与显示应用
- Electrical-optical properties of graphene oxide liquid crystal and its applications
- 液晶与显示 2020年35卷第7期页码：733-740
- 作者机构：
  
  北京航空航天大学仪器与光电工程学院, 北京 100191
- 作者简介：
  
  [ "林述锋(1990-), 男, 山东威海人, 博士后, 2018年于韩国光云大学获得博士学位, 主要从事3D显示、及二维液晶材料在3D显示的交叉研究。E-mail:shufeng@buaa.edu.cn" ]
  [ "沈田子(1985-), 男, 辽宁东港人, 副教授, 2016年于韩国成均馆大学获得博士学位, 主要从事液晶光学显示、二维液晶材料、低功耗显示器件研究。E-mail:shentianzi@buaa.edu.cn" ]
- 基金信息：
  
  国家自然科学基金(61905008)
- DOI：10.37188/YJYXS20203507.0733
  中图分类号： O753.2;TP394.1;TH691.9
- 收稿日期：2020-04-15，
  
  修回日期：2020-05-18，
  
  录用日期：2020-5-18，
  
  纸质出版日期：2020-07-05
- 稿件说明：
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林述锋, 沈田子. 氧化石墨烯液晶的光电特性与显示应用[J]. 液晶与显示, 2020,35(7):733-740.

Shu-feng LIN, Tian-zi SHEN. Electrical-optical properties of graphene oxide liquid crystal and its applications[J]. Chinese journal of liquid crystals and displays, 2020, 35(7): 733-740.
林述锋, 沈田子. 氧化石墨烯液晶的光电特性与显示应用[J]. 液晶与显示, 2020,35(7):733-740. DOI： 10.37188/YJYXS20203507.0733.

Shu-feng LIN, Tian-zi SHEN. Electrical-optical properties of graphene oxide liquid crystal and its applications[J]. Chinese journal of liquid crystals and displays, 2020, 35(7): 733-740. DOI： 10.37188/YJYXS20203507.0733.

摘要

石墨烯作为二维材料中的明星，它的发现与深入研究对半导体、新能源、新材料、生物科学等众多领域产生了巨大影响。本文系统地介绍了石墨烯的氧化物，氧化石墨烯作为液晶材料(Graphenen oxide-LC)在透过型显示和全彩反射型显示两个方向的研究成果。当氧化石墨烯液晶用于透过型显示材料时，它具有高科尔系数、易于交流电场驱动、开启电压小、光电响应迅速等诸多优异的光电物理特性。同时氧化石墨烯液晶也具有可控光子晶体结构的特点，也可用于反射型显示器件。实验发现，随着氧化石墨烯液晶的浓度降低，液晶光子晶体的反射波长会产生红移，同时可观察到两个可视波长范围内的布拉格反射循环序列。进一步利用水平方向的交流电场可实现对氧化石墨烯液晶的光电器件在可视光波段内光的反射强度的控制。系列研究展示出氧化石墨烯具有优秀的光性能与应用潜力，同时也为二维液晶材料在低功耗光电器件与显示器件进一步的研究与推广提供了参考与新思路。

Abstract

As a newly emerging advanced two-dimensional material

the discovery and in-depth research of graphene have a huge impact on many fields such as semiconductors

energy harvesting

and biological sciences

etc.

This review systematically highlights the current research status of graphene oxide liquid crystal (GO-LC)

applying to transmissive and reflective-mode liquid crystal display. In particular

an extremely large Kerr coefficient of graphene oxide liquid crystal contributes to fabricate low power

quick response

and easy switching of electro-optic devices. By applying horizontal fields

the structural color can be written and erased accordingly. These results elucidate that graphene oxide liquid crystal has great potential in the electrical-optical device and provides a new possibility for two-dimension liquid crystal materials in actual applications.

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references

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