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Hirdyesh Mishra

Researcher at Banaras Hindu University

Publications -  70
Citations -  1352

Hirdyesh Mishra is an academic researcher from Banaras Hindu University. The author has contributed to research in topics: Molecular orbital & Density functional theory. The author has an hindex of 20, co-authored 65 publications receiving 1086 citations. Previous affiliations of Hirdyesh Mishra include University of Maryland, Baltimore County & Kumaun University.

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Stabilization of high temperature hexagonal phase of SrAl2O4 at room temperature: role of ZnO

TL;DR: A stable, high temperature hexagonal phase of SrAl2O4 (SAO) at RT is shown by synthesizing a SAO-ZnO composite through a combustion technique and the role of ZnO in determining the structure and photoluminescence properties of these composites are discussed.
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Generation of color tunable emissions from Ho3+/Tm3+/Yb3+ co-doped YTaO4 phosphors through NIR excitation under different conditions (variation of concentration, excitation pump power and the external temperature)

TL;DR: In this article, the color tunability from green to blue regions has been studied by varying the concentration of sensitizer (Yb3+ ion) via upconversion (UC) process on excitation with 980 nm diode laser qualitatively as well as quantitatively.
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Monitoring the binding of serotonin to silver nanoparticles: A fluorescence spectroscopic investigation

TL;DR: In this paper, steadystate and time-domain fluorescence measurements were carried out along with binding energy measurements through X-ray photoelectron spectroscopic (XPS) technique to understand the interaction of 5-HT with silver nanoparticles (AgNPs).
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Metal-Enhanced S1 and Alpha- S1 Fluorescence: Effects of Far-Field Excitation Irradiance on Enhanced Fluorescence

TL;DR: In this paper, metal-enhanced fluorescence (MEF) and delayed fluorescence studies of acriflavin have been undertaken using steady-state and time-resolved fluorescence measurements on silver island films (SiFs) supporting a thin polyvinyl alcohol (PVA) polymer film.