首页> 外文期刊>RSC Advances >Tuning the conformation of floppy molecules by charge transfer
【24h】

Tuning the conformation of floppy molecules by charge transfer

机译:通过电荷转移调整软盘分子的构象

获取原文
获取原文并翻译 | 示例
           

摘要

Recent advances in electrochemistry and nano-and molecular electronics made it possible to prepare and study molecular species having fractional charges (q not equal 0,+/- 1, ...) that can be continuously tuned by biases. The main focus of this communication is on the impact of continuously tuning the fractional molecular charge on the molecular conformation, an effect expected to be pronounced especially in molecules possessing floppy degrees of freedom. The (4,4')-bipyridine molecule is considered here as a benchmark case, since the torsional angle between the two pyridyl rings is known to be related to a floppy degree of freedom. Among the specific findings of this investigation one can mention the fact that, to achieve planar conformation (hence maximum electron transmittance), complete reduction (q = -1) is not necessary; the molecular conformation becomes planar already at q similar or equal to -0.8. Implications of the specific results reported here for molecular electronics (e.g., molecular switches) are briefly discussed.
机译:电化学和纳米和分子电子的最新进展使得可以制备和研究具有可以连续调整的分数电荷(Q不等于0,+ / - 1,...)的分子物种。这种通信的主要重点是在持续调整分子构象上的分数分子电荷的影响,预期的效果特别是在具有软缺程自由度的分子中。 (4,4') - Bi0赖氨酸分子在此考虑为基准情况,因为已知两个吡啶环之间的扭转角度与短的自由度有关。在这项调查的具体结果中,可以提到,为了实现平面构象(因此最大电子透射率),不需要完全减少(Q = -1);分子构象在Q上变为平面,类似于或等于-0.8。简要讨论了此处报告的具体结果的含义。简要讨论了分子电子(例如,分子开关)。

著录项

  • 来源
    《RSC Advances》 |2016年第113期|共5页
  • 作者

    Baldea Ioan;

  • 作者单位

    Heidelberg Univ Theoret Chem Neuenheimer Feld 229 D-69120 Heidelberg Germany;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号