给体-受体型聚西佛碱的电致阻变效应
PDF下载 (419)潘 亮1,2,诸跃进1*,胡本林2.给体-受体型聚西佛碱的电致阻变效应[J].宁波大学学报(理工版),2014,27(03):74-78.DOI:
PAN Liang1,2,ZHU Yue-jin1*,HU Ben-lin2.Resistive Switching Properties in D-A Type Poly(Schiff Base): Study[J].Journal of Ningbo University(Natural Science & Engineering Edition),2014,27(03):74-78.DOI:
| Title: | Resistive Switching Properties in D-A Type Poly(Schiff Base): Study |
| 作者: | 潘 亮1, 2, 诸跃进1*, 胡本林2 |
| Author(s): | PAN Liang1, 2, ZHU Yue-jin1*, HU Ben-lin2 |
| 关键词: | 聚西佛碱; 电致阻变效应; 给体; 受体; 电荷转移 |
| Keywords: | Poly(schiff base) (PA); resistive switching effect; donor; acceptor; charge transfer |
| 分类号: | O649 |
| 文献标识码: | A |
| 摘要: | 在酸性环境下, 利用4,4,-双(3-硝基-4-甲酰基苯基硫醚)二苯砜与4,4’-二氨基-4’’-甲基三苯胺的缩聚反应制备给体-受体型的聚西佛碱(PA). 其中二苯砜单体为聚合物的电荷受体单元, 而三苯胺为电荷给体单元. 在电场的作用下, Pt/PA/ITO具有较稳定、可重复的电致阻变效应. 其物理机制是材料中给体和受体间发生了电荷转移, 由初始高电阻状态的给体-受体结构转变到低电阻状态的给体+-受体-结构. |
| Abstract: | Donor-acceptor (D-A) poly(Schiff base) derivative (or polyazothine, PA), incorporating the 4,4’-bis (3-nitro-4-formyl phenylthio)diphenyl sulfone group acting as an electron acceptor unity and the 4,4’-diamino- 4’’-methyltriphenylamine group acting as an donor unity, respectively, is synthesized successfully via polycondensation reaction under acidic conditions. The as-fabricated Pt/PA/ITO device shows the stable and repeatable resistive switching behavior which originates from the charge transfer interaction between the electron donor-acceptor pairs. This process may lead the pristine high resistance state of the D-A structured polymer to the low resistance state of the charge-separated D+-A- structure. |
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| 备注/Memo: | 收稿日期: 2013?05?05. 宁波大学学报（理工版）网址: http://journallg.nbu.edu.cn/ 基金项目: 浙江省自然科学基金（Y4090498）. 第一作者: 潘亮（1986－）, 男, 四川达州人, 在读硕士研究生, 主要研究方向: 纳米材料. E-mail: pl8848@nimte.ac.cn *通信作者: 诸跃进（1958－）, 男, 浙江临安人, 教授, 主要研究方向: 纳米材料. E-mail: zhuyuejin@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
