Výsledky vyhledávání

Identifying the Marcus dimension of electron transfer from ab initio calculations

Autor: Adam Šrut, Benjamin J. Lear, Vera Krewald

The Marcus model forms the foundation for all modern discussion of electron transfer (ET). In this model, ET results in a change in diabatic potential energy surfaces, separated along an ET nuclear coordinate. This coordinate accounts for all nuclear

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa02bd02448b23823a82e48c0986aff2
https://doi.org/10.26434/chemrxiv-2022-253hc

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Phosphine-catalyzed activation of cyclopropenones: a versatile C

Autor: Xin, He, Pengchen, Ma, Yuhai, Tang, Jing, Li, Shenyu, Shen, Martin J, Lear, K N, Houk, Silong, Xu

Publikováno v: Chemical science. 13(43)

We herein report a phosphine-catalyzed (3 + 2) annulation of cyclopropenones with a wide variety of electrophilic π systems, including aldehydes, ketoesters, imines, isocyanates, and carbodiimides, offering products of butenolides, butyrolactams, ma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::55800c6a62af0c6783b5d4dd3d4b0e8b
https://pubmed.ncbi.nlm.nih.gov/36519051

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Preparation and Oxygen Sensitivity of a Range of Noble-Metal Nanoparticles (Ir, Pt, and Au) Protected by a Series of Chalcogen–Dodecane Ligands (S, Se, and Te)

Autor: Vadim Tanygin, Benjamin J. Lear

Publikováno v: Chemistry of Materials. 33:63-72

Iridium, platinum, and gold nanoparticles, protected with sulfur, selenium, or tellurium dodecane ligands, were synthesized under ambient laboratory conditions. These nine nanoparticles were charac...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::09f22d02cd45f729ebcf4fd547c05713
https://doi.org/10.1021/acs.chemmater.0c00406

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Surface Chemistry Controls the Density of States in Metallic Nanoparticles

Autor: Nicholas P. Litak, Lillian M. Mawby, Benjamin J. Lear

Publikováno v: ACS nano. 16(3)

Ligand-stabilized colloidal metallic nanoparticles are prized in science and technology for their electronic properties and tunable surface chemistry. However, little is known about the interplay between these two aspects of the particles. A particul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3cfe840f067114ac30eecd3a1a04fd2
https://pubmed.ncbi.nlm.nih.gov/35274922

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Dependence of Core Electronics of Gold Nanoparticles on Ligand, Solvent, and Sample Preparation

Autor: Benjamin J. Lear, Jonathan W. Fagan

Publikováno v: The Journal of Physical Chemistry C. 124:24435-24440

Electron spin resonance (ESR) spectroscopy is used to probe the electronic properties of the metallic cores of small (∼2 nm) gold nanoparticles protected by 1-hexanethiol and 1-dodecanethiol, suspe...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5c33576c7ac31f6f0733859c68be2e80
https://doi.org/10.1021/acs.jpcc.0c07307

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Halogen Bonding of N ‐Halosuccinimides with Amines and Effects of Brønsted Acids in Quinuclidine‐Catalyzed Halocyclizations

Autor: Martin J. Lear, Yujiro Hayashi, Eunsang Kwon, Jing Li

Publikováno v: Helvetica Chimica Acta. 104

An arguable expectation in halogen chemistry is that an amine will react oxidatively with an N-halosuccinimide (NXS) to form an N-halogenated species bearing a covalent N−X bond. While likely for NCS under most conditions, we find this expectation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a99eae1dd00d280129fbca92827085b8
https://doi.org/10.1002/hlca.202100080

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