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Related papers: Supramolecular Chemistry Based on 4-Acetylbiphenyl…

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We report on a theoretical study of adsorption of 4-Acetylbiphenyl molecule and its diffusion properties in the main directions of the Au(111) surface. Structural changes of the molecule, which are induced by adsorption lead to stronger…

Materials Science · Physics 2020-04-30 V. Zobac , R. Robles , N. Lorente

Surface alloying is a straightforward route to control and modify the structure and electronic properties of surfaces. Here, We present a systematical study on the structural and electronic properties of three novel rare earth-based…

Materials Science · Physics 2020-05-07 Yande Que , Yuan Zhuang , Ziyuan Liu , Chaoqiang Xu , Bin Liu , Kedong Wang , Shixuan Du , Xudong Xiao

We have performed a density functional theory study of the possible layered geometries occurring after dehydrogenation of a self-assembled monolayer (SAM) of biphenyl-thiol molecules (BPTs) adsorbed on a Au(111), as it has been…

Mesoscale and Nanoscale Physics · Physics 2011-11-10 Pepa Cabrera-Sanfelix , Andrés Arnau , Daniel Sánchez-Portal

We report an example that demonstrates the clear interdependence between surface-supported reactions and molecular adsorption configurations. Two biphenyl-based molecules with two and four bromine substituents, i.e. 2,2-dibromo-biphenyl…

We investigate an anthracene derivative, 3(5)-(9-anthryl) pyrazole (ANP), self-assembled on the Au (111) surface by means of scanning tunneling microscopy (STM) and density functional theory (DFT) calculations. A chessboard-like network…

Chemical Physics · Physics 2013-07-01 Ruifen Dou , Yu Yang , Ping Zhang , Dingyong Zhong , Harald Fuchs , Yue Wang , Lifeng Chi

Self-decoupled tetrapodal perylene molecules were designed, synthesized, and deposited on the Au(111) surface through the electrosprayionization technique. Photoluminescence and lifetime measurements show that the chromophore groups of the…

Self-assembled monolayers of 1,3,5-tris(4'-biphenyl-4"-carbonitrile)benzene, a large functional trinitrile molecule, on the (111) surfaces of copper and silver under ultrahigh vacuum conditions were studied by scanning tunneling microscopy…

Because of its promising contribution to the bottom-up approach for nanofabrication of complex molecular architectures, self-organization is widely studied nowadays. Numerous studies have tackled supramolecular chirality or low-dimensional…

Materials Science · Physics 2007-05-23 T. Zambelli , S. Goudeau , J. Lagoute , A. Gourdon , X. Bouju , S. Gauthier

We propose a computationally lean, two-stage approach that reliably predicts self-assembly behavior of complex charged molecules on a metallic surfaces under electrochemical conditions. Stage one uses ab initio simulations to provide…

Computational Physics · Physics 2020-07-15 Benedikt Hartl , Shubham Sharma , Oliver Brügner , Stijn F. L. Mertens , Michael Walter , Gerhard Kahl

On-surface metal-organic coordination provides a promising way for synthesizing different two-dimensional lattice structures that have been predicted to possess exotic electronic properties. Using scanning tunneling microscopy (STM) and…

Materials Science · Physics 2019-10-04 Linghao Yan , Ilona Pohjavirta , Benjamin Alldritt , Peter Liljeroth

Stable and metastable metallic nanoparticles exhibit unique properties compared to the bulk, with potentially important applications for catalysis. This is in particular the case for the AgPt alloy that can exhibit the ordered L1$_1$…

Materials Science · Physics 2023-07-11 F. Ait Hellal , J. Puibasset , C. Andreazza-Vignolle , P. Andreazza

This article describes the optical properties of nanostructures composed of silver particles embedded into a gold matrix. In previous studies these materials were shown to exhibit temperature dependent transitions to a highly conductive and…

We systematically investigated the superstructure evolution of Te atoms on Au(111) substrate at different coverages. As revealed by low temperature scanning tunneling microscopy and spectroscopy, Te atoms form one-dimensional root3…

Mesoscale and Nanoscale Physics · Physics 2024-11-20 Jiaqi Guan , Xiaochun Huang , Shuyuan Zhang , Xun Jia , Xuetao Zhu , Weihua Wang , Jiandong Guo

Controlling the self-assembly of surface-adsorbed molecules into nanostructures requires understanding physical mechanisms that act across multiple length and time scales. By combining scanning tunneling microscopy with hierarchical ab…

Mesoscale and Nanoscale Physics · Physics 2014-04-04 Thomas K. Haxton , Hui Zhou , Isaac Tamblyn , Daejin Eom , Zonghai Hu , Jeffrey B. Neaton , Tony F. Heinz , Stephen Whitelam

Molecular functionalization of nanoparticles and metallic substrates can be used to tune their properties for specific applications. However, polycrystalline substrates and nanoparticles exhibit surface planes with distinct crystallographic…

In metal nanoparticles (NPs) supracrystals, the metallic core provides some key properties, e.g. magnetization, plasmonic response or conductivity, with the ligand molecules giving rise to others like solubility, assembly or interaction…

The ability to create micro/nano patterns of organic self-assembled monolayers on semiconductor surfaces is crucial for fundamental studies and applications in a number of emerging fields in nanoscience. Here, we demonstrate the patterning…

Applied Physics · Physics 2020-01-06 Tianhan Liu , Timothy Keiper , Xiaolei Wang , Guang Yang , Daniel Hallinan , Jianhua Zhao , Peng Xiong

We report on the gold assisted epitaxial growth of Ge nanostructures under ultra high vacuum (UHV) conditions (\approx3\times 10-10 mbar) on clean Ge (100) surfaces. For this study, \approx2.0 nm thick Au samples were grown on the substrate…

Mesoscale and Nanoscale Physics · Physics 2017-11-27 A. Rath , J. K. Dash , R. R. Juluri , A. Ghosh , P. V. Satyam

We investigate the impact of the substrate on the structural properties and the morphology of alkanethiol self-assembled monolayers (SAMs) on gold, using first principles calculations and atomistic molecular dynamics simulations. We…

Materials Science · Physics 2021-02-02 Dimitrios Stefanakis , Vagelis Harmandaris , Georgios Kopidakis , Ioannis Remediakis

Except serving as an excellent gift on proper occasions, gold finds applications in life sciences, particularly in diagnostics and therapeutics. These applications were made possible by gold nanoparticles, which differ drastically from…

Materials Science · Physics 2015-06-23 Vitaly Chaban
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