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化学进展 2011, Vol. 23 Issue (8): 1700-1709 前一篇   后一篇

• 综述与评论 •

聚合物电存储材料及其双电极型存储器件

仝淑敏1, 宋娟1*, 凌启淡1,2*   

  1. 1. 南京邮电大学信息材料与纳米技术研究院 南京 210046;
    2. 福建师范大学化学与材料学院 福州 350108
  • 收稿日期:2010-10-01 修回日期:2011-01-01 出版日期:2011-08-24 发布日期:2011-07-25
  • 通讯作者: 宋娟, 凌启淡 E-mail:iamjsong@njupt.edu.cn; lingqd@hotmail.com
  • 基金资助:

    国家自然科学基金项目(No.60976019)、 教育部"新世纪优秀人才"支持计划项目(No.NCET-07-0446)、 高校博士学科点专项科研基金项目(No.20093223110002)、 江苏省"高校优秀科技创新团队"资助项目(No.TJ207035)、 南京市留学回国人员科技活动择优资助项目(No.TJ208027)和南京邮电大学引进人才科研启动基金项目(No.NY207164)资助

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Polymer Electrical Memory Materials and Diode Memory Devices

Tong Shumin1, Song Juan1*, Ling Qidan1,2*   

  1. 1. Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, China;
    2. College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350108, China
  • Received:2010-10-01 Revised:2011-01-01 Online:2011-08-24 Published:2011-07-25

随着信息产业的高速发展,传统的存储技术已不能完全满足人们的需求。因此,对聚合物电存储材料与器件的研究应运而生。相对于传统的无机存储材料,基于聚合物的电存储材料与器件具有易加工、低成本、稳定性好、低功耗、可实现三维堆积以及高存储密度等优点,极有可能取代传统的无机半导体器件,显示出广阔的发展前景。本文介绍了聚合物电存储器件的一些基本原理及基本概念,并对存储器件几种主要的作用机制做了归纳; 根据器件的易失性与否,描述了闪存、一次写入多次读取及动态随机存储器件三类存储器件的存储特点,总结了聚合物电双稳材料及其在三类存储器件中应用的研究进展,探讨了这一研究领域需要解决的一些关键问题,最后展望了聚合物电存储材料与器件的研究和发展方向。

关键词： 有机电子学, 聚合物, 高密度存储, 电存储器件

With the rapid development of information technology, conventional memories are facing with unprecedented challenge for both code and mass storage applications spurred by potable system. New memory technologies are demanded urgently to miniaturize from micro-to nano-scale. Polymer electrical memory materials and devices have emerged in recent years to meet the requirements. Compared with inorganic materials, polymer electrical memory materials exhibit several significant advantages, such as easy processability, low cost, good stability, high mechanical strength, low-power dissipation, multi-layer stacking,super high data storage density and so on. These advantages make possible for polymer memory to be an alternative or supplementary technology to the conventional memory technology. Firstly, the design principles and basic concepts of organic memory materials and devices are briefly introduced in this paper. Several critical features and main mechanisms of memory devices are summarized. Secondly, according to the volatile property,polymer memory devices are classified into three categories, including flash memory devices, write-once read-many times memory devices and dynamic random access memory devices. The recent research progress in polymer memory materials and their applications in these three categories of polymer electronic memories are reviewed respectively. Finally, the existing challenges in polymer electronic memories are discussed and the research and development trend in this field are prospected.

Contents
1 Introduction
2 Organic electrical memory devices
2.1 The critical features of memory devices
2.2 The main mechanisms of memory devices
3 Polymer electrical memory materials and devices
3.1 Flash memory devices
3.2 Write-once read-many times memory devices
3.3 Dynamic random access memory devices
4 Conclusions and outlook

Key words: organic electronics, polymers, high density memory, electrical memory devices

中图分类号: 

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