S. Arun Kumar
University of Madras
11 Papers
9 Citations
S. Arun Kumar is an academic researcher from University of Madras. The author has contributed to research in topics: Luminescence & Photoluminescence. The author has an hindex of 5, co-authored 11 publications.
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Papers
Third order nonlinearity and optical limiting behaviors of Yb:YAG nanoparticles by Z-scan technique
TL;DR: In this article, the authors explored the third order nonlinear optical behavior of phase pure Yb3+:YAG nanoparticles for the first time by Z-scan technique.
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High power diode laser nitriding of titanium in nitrogen gas filled simple acrylic box container: Microstructure, phase formation, hardness, dendrite and martensite solidification analyses
J. Senthilselvan,K. Monisha,M. Gunaseelan,S. Yamini,S. Arun Kumar,K. Kanimozhi,J. Manonmani,S.M. Shariff,G. Padmanabham +8 more
TL;DR: In this paper, a detailed microstructure-property correlation of high power diode laser nitrided titanium based on its dendrite and martensite microstructures, structural phase and microhardness is presented.
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Solvothermal synthesis of hexagonal pyramidal and bifrustum shaped ZnO nanocrystals: natural betacyanin dye and organic Eosin Y dye sensitized DSSC efficiency, electron transport, recombination dynamics and solar photodegradation investigations
TL;DR: In this paper, a novel hexagonal pyramidal and bifrustum shaped multifaceted ZnO nanocrystals with high specific surface area has been synthesized for the first time, by one pot solvothermal method without employing structure modifying surfactant or capping agent.
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EDTA functionalization of SrF2:Yb,Er nanoparticles by hydrothermal synthesis: Intense red upconversion, NIR-to-NIR emission and luminescence nanothermometry characteristics
J. Senthilselvan,Sinju Thomas,L. Anbharasi,Debashrita Sarkar,Venkata N. K. B. Adusumalli,S. Arun Kumar,S. Yamini,M. Gunaseelan,J. Manonmani,Venkataramanan Mahalingam +9 more
TL;DR: In this paper, an upconversion nanoparticles (UCNPs) were synthesized by hydrothermal method using ethylenediaminetetraacetic acid (EDTA) as surfactant, by doping with singlelanthanide activator Er ion and sensitizer-activator Yb3+−Er3+ ion-pair.
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Photoluminescence and thermoluminescence investigations of Yb:YAG nanoparticles by dual-surfactant functionalization and microwave calcination method
S. Arun Kumar,J. Senthilselvan +1 more
TL;DR: In this article, a novel synthesis approach is proposed to prepare strong NIR emitting Yb3+ doped YAG (Yb:YAG) nanoparticles at different Yb 3+ concentrations by a modified refluxer assisted homogeneous precipitation using dual polymeric surfactant functionalization approach.
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