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在单个超分子纳米纤维中在室温下进行远程能量传输

Andreas T Haedler¹, Klaus Kreger¹, Abey Issac²

¹Macromolecular Chemistry I, Bayreuth Institute of Macromolecular Research, and Bayreuth Center for Colloids and Interfaces, University of Bayreuth, 95440 Bayreuth, Germany.

|July 10, 2015

概括

单个自组装的纳米纤维在室温下高效地在微米距离上运输单个激子. 有机物质的这种长距离连贯运输为纳米光子设备和量子技术开辟了新的途径.

科学领域:

材料科学材料科学材料科学
有机电子有机电子
纳米技术纳米技术

背景情况:

有效的激发能量传输对于光采集和分子电子学至关重要.
合成有机材料中的兴奋子扩散通常仅限于~10-50纳米,这是由于不连贯的跳跃.
长距离的激子传输只在高度有序的系统中观察到,通常在低温温度下.

研究的目的:

为了证明在室温下超分子纳米结构中的单轴,远程激子传输.
研究在自组装有机纳米纤维中激子传输的机制.
探索这些材料在先进电子和光子应用中的潜力.

主要方法:

制造自组装的纳米纤维从碳基桥梁三亚胺.
纳米纤维结构和电子性能的表征.
在环境条件下测量单点激发物传输距离.

主要成果:

单个纳米纤维在超过四微米的距离上表现出高效的单片刺激子传输.
运输距离仅受纳米纤维的长度限制.
观察到的远程运输主要是连贯的,这表明有效的电子合.

结论:

自组装的纳米纤维基于碳基桥接三胺,使在室温下前所未有的长距离连贯刺激子传输.
这一超分子工程的突破可能会导致新的有机纳米光子设备.
这些发现对量子信息技术和有机电子学有重大影响.

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