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Uncoupling system and environment simulation cells for fast-scaling modeling of complex continuum embeddings (open access)

Uncoupling system and environment simulation cells for fast-scaling modeling of complex continuum embeddings

Article describes how continuum solvation models are becoming increasingly relevant in condensed matter simulations, allowing to characterize materials interfaces in the presence of wet electrified environments at a reduced computational cost with respect to all atomistic simulations. However, some challenges with the implementation of these models in plane-wave simulation packages still persists, and to address these challenges, the authors present the implementation of a double-cell formalism, in which the simulation cell used for the continuum environment is uncoupled from the one used for the electronic-structure simulation of the quantum-mechanical system.
Date: August 1, 2023
Creator: Medrano, G.; Bainglass, E. & Andreussi, O.
Object Type: Article
System: The UNT Digital Library
Electron Irradiation of Graphene in Air at Atmospheric Pressure: a Method for Hydrogenating Graphene for Hydrogen Storage Applications (open access)

Electron Irradiation of Graphene in Air at Atmospheric Pressure: a Method for Hydrogenating Graphene for Hydrogen Storage Applications

Data management plan for the grant, "Electron Irradiation of Graphene in Air at Atmospheric Pressure: a Method for Hydrogenating Graphene for Hydrogen Storage Applications."
Date: 2023-08-01/2026-07-31
Creator: Pérez, José M.
Object Type: Text
System: The UNT Digital Library
Enhanced Photoluminescence and Prolonged Carrier Lifetime through Laser Radiation Hardening and Self-Healing in Aged MAPbBr3 Perovskites Encapsulated in NiO Nanotubes (open access)

Enhanced Photoluminescence and Prolonged Carrier Lifetime through Laser Radiation Hardening and Self-Healing in Aged MAPbBr3 Perovskites Encapsulated in NiO Nanotubes

Article describes how organic-inorganic perovskites hold great promise as optoelectronic semiconductors for pure color light emitting and photovoltaic devices. This paper investigates the laser radiation hardening and self-healing-induced properties of aged MAPbBr3 perovskites encapsulated in NiO nanotubes (MAPbBr3@NiO) using photoluminescence (PL) and fluorescence lifetime imaging (FLIM). After deliberately subjecting the MAPbBr3@ NiO to atmospheric conditions for two years, the sample remains remarkably stable.
Date: August 31, 2023
Creator: Kamau, Steve; Rodriguez, Roberto Gonzalez; Jiang, Yan; Mondragon, Araceli Herrera; Varghese, Sinto; Hurley, Noah et al.
Object Type: Article
System: The UNT Digital Library
A brief guide to polymer characterization: structure (IUPAC Technical Report) (open access)

A brief guide to polymer characterization: structure (IUPAC Technical Report)

Article states that to bolster the series of Brief Guides released by International Union of Pure and Applied Chemistry, the authors introduce the first Brief Guide to Polymer Characterization. This article provides a concise overview of characterization methods for teachers, students, non-specialists, and newcomers to polymer science as well as being a useful manual for researchers and technicians.
Date: August 16, 2023
Creator: Topham, Paul D.; Boucher, Raymond J.; Chang, Taihyun; Smrčková, Miroslava D.; Farrell, Wesley S.; He, Jiasong et al.
Object Type: Article
System: The UNT Digital Library