Development of Organic Memory Devices Using Radical Polymers

使用自由基聚合物开发有机存储器件

• 批准号: 21655043
• 负责人: NISHIDE Hiroyuki
• 金额: $ 1.82万
• 依托单位: Waseda University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Challenging Exploratory Research
• 财政年份: 2009
• 资助国家: 日本
• 起止时间: 2009 至 2011
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21655043/
• 关键词: 機能性高分子; レドックスポリマー; 電子移動; 電荷注入; 有機メモリ

Organic aliphatic polymers bearing a redox-active robust radical pendant per repeating unit have been applied as key materials for organic polymer memo-ries that are viewed as next-generation memory devices. Synthesis of the so-called radical polymers with designed SOMO levels and elucidation of charge injection mechanisms at polymer/metal interfaces allowed fabrication of nonvolatile memories with ON/OFF ratio of more than 10^5, high cycle durability, and excellent bistability. Factors that dominate the electric bistability in response to the applied voltage have been determined, which offered insight into the design principles of entirely organic organic memories. Thin devices made of the radical polymer layers sandwiched by two metal electrodes demonstrated the mem-ory properties at low applied voltages, which were based on the characteristic charge in-jection and transport behaviors found for the radical polymers.

具有氧化还原活性的强自由基侧基的有机脂肪族聚合物已被用作有机聚合物存储器的关键材料，被视为下一代存储器件。合成具有设计的自组织氧化物轨道能级的所谓自由基聚合物，并阐明聚合物/金属界面的电荷注入机制，可以制造开/关比超过10^5的非易失性存储器，具有高循环耐久性和优异的双稳态。决定电双稳态响应于所施加的电压的因素已经被确定，这提供了洞察到完全有机的有机存储器的设计原则。由自由基聚合物层夹在两个金属电极之间制成的薄器件在低电压下表现出记忆特性，这是基于自由基聚合物的特征电荷注入和输运行为。

项目成果

Radical Poly-mers for Organic Electronics : A Radical Departure from Conjugated Polymers

用于有机电子的激进聚合物:与共轭聚合物的彻底背离

• 发表时间: 2009
• 期刊: Adv. Mater.
• 作者: K. Oyaizu;H. Nishide
• 通讯作者: H. Nishide

“Organic Batteries”, Encyclopedia of Sustainability Science and Technology, ed by R. A. Meyers

“有机电池”，可持续发展科学技术百科全书，R. A. Meyers 编辑

• 发表时间: 2012
• 作者: H. Nishide;K. Oyaizu
• 通讯作者: K. Oyaizu

p- and n-Type Bipolar Redox-Active Radical Polymer: Toward Totally Organic Polymer-Based Rechargeable Devices with Variable Configuration

• DOI: 10.1002/adma.201003525
• 发表时间: 2011-02-08
• 期刊: ADVANCED MATERIALS
• 影响因子: 29.4
• 作者: Suga, Takeo;Sugita, Shuhei;Nishide, Hiroyuki
• 通讯作者: Nishide, Hiroyuki

Mesoscale Rad-ical Polymers : Bottom-up Fabrication of Electrodes in Organic Polymer Batteries, Advanced Nanomaterials ed by K. Geckeler, H. Nishide

介观尺度自由基聚合物：有机聚合物电池中电极的自下而上制造，先进纳米材料，作者：K. Geckeler、H. Nishide

• 发表时间: 2010
• 作者: K. Oyaizu;H. Nishide
• 通讯作者: H. Nishide

An ultrafast chargeable polymer electrode based on the combination of nitroxide radical and aqueous electrolyte

• DOI: 10.1039/b818087c
• 发表时间: 2009-01-01
• 期刊: CHEMICAL COMMUNICATIONS
• 影响因子: 4.9
• 作者: Koshika, Kenichiroh;Sano, Naoki;Nishide, Hiroyuki
• 通讯作者: Nishide, Hiroyuki