Dihydroxy(4-thiomorpholinomethyl)benzoic Acid: From Molecular Asymmetry to Diode Characteristics
Citations Over TimeTop 22% of 2011 papers
Abstract
One of the challenges in molecular electronics is to design molecules which can be used as functional units in electronic devices. The subject of our investigations is an asymmetrical molecule, dihydroxy(4-thiomorpholinomethyl)benzoic acid (TMBA), whose structural and electronic properties are characterized. The self-assembly behavior of TMBA on Au(111) surfaces resulting in highly ordered monolayers is obtained using scanning tunneling microscopy (STM). Furthermore, investigations on the electronic properties of the combined metal/molecule system reveal an orbital mediated tunneling process and tunneling decay constants for the carboxylic and thiomorpholino group. Thus, a diode-like character of TMBA is shown to be caused by intrinsic electronic properties of different molecular moieties.
Related Papers
- → Scanning Tunneling Microscopy: A Unique Tool in the Study of Chirality, Dynamics, and Reactivity in Physisorbed Organic Monolayers(2000)268 cited
- → Octithiophene on Cu(111) and Au(111): Formation and Electronic Structure of Molecular Chains and Films(2012)4 cited
- → Origins of Displacement in 1-Adamantanethiolate Self-Assembled Monolayers(2007)41 cited
- → Influence of the Substrate on Order and Image Contrast for Physisorbed, Self-Assembled Molecular Monolayers: STM Studies of Functionalized Hydrocarbons on Graphite and MoS2(1998)54 cited
- → Self-assembly of N-3-γ-pyridyl Aza[60]fulleroid on Au(111)(2005)