Výsledky vyhledávání - "Chandramalika R. Peiris"

Covalent Linkages of Molecules and Proteins to Si–H Surfaces Formed by Disulfide Reduction

Autor: Essam M. Dief, Jeffrey R. Reimers, Simone Ciampi, Nadim Darwish, Yan B. Vogel, Chandramalika R. Peiris, Vinicius R. Gonçales, Anton P. Le Brun

Publikováno v: Langmuir. 36:14999-15009

Thiols and disulfide contacts have been, for decades, key for connecting organic molecules to surfaces and nanoclusters as they form self-assembled monolayers (SAMs) on metals such as gold (Au) under mild conditions. In contrast, they have not been s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b32caa22a4cdc60068d945ab33d15279
https://doi.org/10.1021/acs.langmuir.0c02391

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Spontaneous S–Si bonding of alkanethiols to Si(111)–H: towards Si–molecule–Si circuits

Autor: Jeffrey R. Reimers, Peter J. Canfield, Simone Ciampi, Nadim Darwish, Chandramalika R. Peiris, Essam M. Dief, Anton P. Le Brun, Daniel S. Kosov, Jinyang Zhang

Publikováno v: Chemical Science

We report the synthesis of covalently linked self-assembled monolayers (SAMs) on silicon surfaces, using mild conditions, in a way that is compatible with silicon-electronics fabrication technologies. In molecular electronics, SAMs of functional mole

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa5f603a0841c0a509a6ff4790c2462e
https://doi.org/10.1039/d0sc01073a

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Reduced graphene oxide–silicon interface involving direct Si–O bonding as a conductive and mechanical stable ohmic contact

Autor: Alex Duan, Chandramalika R. Peiris, Colin L. Raston, Stuart Ferrie, Essam M. Dief, Nadim Darwish, Soraya Rahpeima, Simone Ciampi

Publikováno v: Chemical Communications. 56:6209-6212

Metal-semiconductor junctions are essential contacts for semiconductor devices, but high contact junction resistance is a limiting operational factor. Here, we establish an ohmic contact of low resistance of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a750b400a75e91a6f83c4d3be9721d26
https://doi.org/10.1039/d0cc02310h

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Single-Electrode Electrochemistry: Chemically Engineering Surface Adhesion and Hardness To Maximize Redox Work Extracted from Tribocharged Silicon

Autor: Simone Ciampi, Song Zhang, Chandramalika R. Peiris, Nadim Darwish, Jinyang Zhang, Yan B. Vogel, Stuart Ferrie

Publikováno v: ACS Applied Nano Materials. 2:7230-7236

Recent research has demonstrated that heterogeneous charge-transfer reactions are not restricted to conductors and that electrochemical reactions can occur on the surface of statically charged insu...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89f85d8a6b66b3c48b95b50ea6a52999
https://doi.org/10.1021/acsanm.9b01726

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Chemically and Mechanically Controlled Single-Molecule Switches Using Spiropyrans

Autor: Brian W. Skelton, Albert C. Aragonès, Ismael Diez Perez, David Jago, Ruth Belinda Domínguez-Espíndola, Nadim Darwish, George A. Koutsantonis, Mark C. Walkey, Alexandre N. Sobolev, Matthew J. Piggott, Simone Ciampi, Thea R. Pulbrook, Chandramalika R. Peiris

Publikováno v: ACS Applied Materials & Interfaces. 11:36886-36894

Developing molecular circuits that can function as the active components in electrical devices is an ongoing challenge in molecular electronics. It demands mechanical stability of the single-molecule circuit while simultaneously being responsive to e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2fe262488483843437ffdd3b04ce4a26
https://doi.org/10.1021/acsami.9b11044

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Metal–Single-Molecule–Semiconductor Junctions Formed by a Radical Reaction Bridging Gold and Silicon Electrodes

Autor: Anton P. Le Brun, Chandramalika R. Peiris, Nadim Darwish, Yan B. Vogel, Simone Ciampi, Michelle L. Coote, Ismael Díez-Pérez, Albert C. Aragonès

Publikováno v: Journal of the American Chemical Society. 141:14788-14797

Here we report molecular films terminated with diazonium salts moieties at both ends which enables single-molecule contacts between gold and silicon electrodes at open circuit via a radical reaction. We show that the kinetics of film grafting is crys

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aeb6c6dac7e5bb6622a812ba292e7864
https://doi.org/10.1021/jacs.9b07125

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Electrochemistry on Tribocharged Polymers Is Governed by the Stability of Surface Charges Rather than Charging Magnitude

Autor: Simone Ciampi, Fei Wang, Michelle L. Coote, Guohua Jia, M. Chandramalika R. Peiris, Fergus J. M. Rogers, Jean-Pierre Veder, Jinyang Zhang, Nadim Darwish, Yan B. Vogel, J. Justin Gooding, Vinicius R. Gonçales

Publikováno v: Journal of the American Chemical Society. 141:5863-5870

Electrically insulating objects gain a net electrical charge when brought in and out of contact. This phenomenon-triboelectricity-involves the flow of charged species, but conclusively establishing their nature has proven extremely difficult. Here, w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07359fca353b8f6782c8c503bf5f3ca8
https://doi.org/10.1021/jacs.9b00297

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Vortex fluidic mediated transformation of graphite into highly conducting graphene scrolls

Autor: Irene Suarez-Martinez, Xiaofei Duan, Jin Zou, Thaar M. D. Alharbi, Robert N. Lamb, Carla de Tomas, M. Chandramalika R. Peiris, Nigel A. Marks, Nadim Darwish, Yichao Zou, Colin L. Raston, Joshua Antonio, Christopher T. Gibson, David P. Harvey, Kasturi Vimalanathan

Publikováno v: Nanoscale Advances. 1:2495-2501

Two-dimensional graphene has remarkable properties that are revolutionary in many applications. Scrolling monolayer graphene with precise tunability would create further potential for niche applications but this has proved challenging. We have now es

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9ea1dcea6513d3f05ea43c6502ac427
https://doi.org/10.1039/c9na00184k

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Common Background Signals in Voltammograms of Crystalline Silicon Electrodes are Reversible Silica-Silicon Redox Chemistry at Highly Conductive Surface Sites

Autor: Chandramalika R. Peiris, Xin Lyu, Stuart Ferrie, Simone Ciampi, Nadim Darwish, Yan B. Vogel, Song Zhang

Publikováno v: Journal of the American Chemical Society. 143(3)

The electrochemical reduction of bulk silica, due to its high electrical resistance, is of limited viability, namely, requiring temperatures in excess of 850 °C. By means of electrochemical and electrical measurements in atomic force microscopy, we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::803b0ffe04a433edccdfff890718c3ab
https://pubmed.ncbi.nlm.nih.gov/33373229

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