Results 281 to 290 of about 605,322 (321)
Hydrogen atom abstraction as a synthetic route to a square planar CoII complex with a redox-active tetradentate PNNP ligand. [PDF]
Chem SciMiller JD +4 more
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Advanced Functional Materials, EarlyView.The thermodynamic obstacle of CO2‐to‐CO conversion over metal halide perovskite photocatalysts is addressed by modulating the local electronic structure. A 13‐fold improvement in selective CO2 photoreduction to CO is achieved, with ≈100% selectivity.
Chunhua Wang +9 more
wiley +1 more source
Anthraquinone-based covalent organic framework as a recyclable direct hydrogen atom transfer photocatalyst for C-H functionalization. [PDF]
Chem SciWang Z, Yeary P, Fan Y, Lin W.
europepmc +1 more source
Advanced Functional Materials, EarlyView.A well‐modulated CeO2/Fe3C heterostructure is successfully constructed. The electron redistribution induced by CeO2 not only enhances the formation energy of Fe vacancies and hinders the dissolution of Fe but also reduces the energy barrier of the ORR.
Peng Wang +8 more
wiley +1 more source
Advanced Functional Materials, EarlyView.In this paper, a built‐in electric field (BEF) strategy is proposed to fabricate NiFe‐LDH/antimonene heterostructure as bifunctional electrocatalysts for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). The formed BEF generates a local potential that reduces the potential for the formation of β‐NiOOH, thereby enabling ultra‐low ...
Jingkun Wang +11 more
wiley +1 more source
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2020
We start with a brief classical description of the hydrogen atom including a supplementary section that reveals the hidden symmetry responsible in part for the incredibly simple structure of the energy spectrum of the hydrogen atom. Niel’s Bohr’s simple but incorrect derivation of the energy spectrum of the Hydrogen atom is then described. Although his
Gabor Kunstatter, Saurya Das
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We start with a brief classical description of the hydrogen atom including a supplementary section that reveals the hidden symmetry responsible in part for the incredibly simple structure of the energy spectrum of the hydrogen atom. Niel’s Bohr’s simple but incorrect derivation of the energy spectrum of the Hydrogen atom is then described. Although his
Gabor Kunstatter, Saurya Das
openaire +4 more sources
The Atomic Hydrogen Maser [PDF]
IRE Transactions on Instrumentation, 1961 The atomic hydrogen maser is described. In this device hydrogen atoms in the upper hyperfine state are focused onto the entrance aperture of a Teflon coated quartz bulb in which the atoms are stored for about a second. This bulb is surrounded by a cylindrical radiofrequency cavity; When the cavity is tuned to the hyperfine frequency of atomic hydrogen,
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, 2010 Based on the discussions in Chap. 4 we will now apply the quantum mechanical treatment to the simplest atom, the H atom, which consists of one proton and one electron moving in the spherical symmetric Coulomb potential of the proton. These one-electron systems, such as the hydrogen atom and the ions He+, Li++, Be+++, etc., are the only real systems for
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Lithuanian Mathematical Journal, 2007 We represent the deterministic substitute of the Schrodinger equation for a hydrogen atom in precise accordance with the Bohm-de Broglie interpretation of quantum mechanics. To construct a mathematical model, the Weierstrass theorem and limit cycles are used. This method can be applied to many-electron atoms.
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