Redox-Dependent Franck–Condon Blockade and Avalanche Transport in a Graphene–Fullerene Single-Molecule Transistor,Nano Letters

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Redox-Dependent Franck–Condon Blockade and Avalanche Transport in a Graphene–Fullerene Single-Molecule Transistor
Nano Letters ( IF 9.6 ) Pub Date : 2015-12-07 00:00:00 , DOI: 10.1021/acs.nanolett.5b03434
Chit Siong Lau ₁ , Hatef Sadeghi ₂ , Gregory Rogers ₁ , Sara Sangtarash ₂ , Panagiotis Dallas ₁ , Kyriakos Porfyrakis ₁ , Jamie Warner ₁ , Colin J. Lambert ₂ , G. Andrew D. Briggs ₁ , Jan A. Mol ₁

Affiliation

We report transport measurements on a graphene–fullerene single-molecule transistor. The device architecture where a functionalized C₆₀ binds to graphene nanoelectrodes results in strong electron–vibron coupling and weak vibron relaxation. Using a combined approach of transport spectroscopy, Raman spectroscopy, and DFT calculations, we demonstrate center-of-mass oscillations, redox-dependent Franck–Condon blockade, and a transport regime characterized by avalanche tunnelling in a single-molecule transistor.

中文翻译：

石墨烯-富勒烯单分子晶体管中依赖氧化还原的Franck-Condon封锁和雪崩输运。

我们报告了在石墨烯-富勒烯单分子晶体管上的传输测量。官能化的C ₆₀与石墨烯纳米电极结合的器件结构会导致强的电子-氟离子耦合和弱的氟离子弛豫。使用传输光谱，拉曼光谱和DFT计算的组合方法，我们证明了质心振荡，依赖氧化还原的弗兰克-康登阻滞和以雪崩隧穿为特征的单分子晶体管传输方式。

更新日期：2015-12-07

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