Výsledky vyhledávání - "N. S.M. Viswanath"

Low-temperature synthesis of Fe2(MoO4)3nanosheets: A cathode for sodium ion batteries with kinetics enhancement

Autor: Ha Tran Huu, N. S.M. Viswanath, Ngoc Hung Vu, Won Bin Im, Jong Won Lee

Publikováno v: Nano Research. 14:3977-3987

Sodium ion batteries (SIBs) are alternatives to lithium ion batteries (LIBs), and offer some significant benefits such as cost reduction and a lower environmental impact; however, to compete with LIBs, further research is required to improve the perf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c386e937dd726046e858c25c41b3c61
https://doi.org/10.1007/s12274-021-3323-1

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Octahedral distortion driven by CsPbI3 nanocrystal reaction temperature – the effects on phase stability and beyond

Autor: Paola Vivo, G. Krishnamurthy Grandhi, N. S.M. Viswanath, Jan-Henrik Smått, Harri Ali-Löytty, Kimmo Lahtonen, Maning Liu, Anastasia Matuhina

Publikováno v: Nanoscale. 13:14186-14196

Cesium lead iodide (CsPbI3) perovskite nanocrystals (NCs) suffer from a known transformation at room temperature from their red-emitting (black) to non-emitting (yellow) phase, induced by the tilting of PbI6 octahedra. While the reported attempts to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6873f1070095b1bd0b7d42fe2c9f9736
https://doi.org/10.1039/d1nr04071e

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Strategies for improving luminescence efficiencies of blue-emitting metal halide perovskites

Autor: Han Bin Cho, Ha Jun Kim, G. Krishnamurthy Grandhi, Won Bin Im, Seongmin Kim, N. S.M. Viswanath, Joo Hyeong Han

Publikováno v: Journal of the Korean Ceramic Society. 58:28-41

Lead halide perovskites (LHPs) are suitable as the emissive layers in light-emitting diodes (LEDs). The external quantum efficiency of green LEDs based on LHPs is now over 20%. Nevertheless, the blue LHP LEDs lag behind the green ones in terms of eff

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aa1361e93de88c4e8a24652d9d063476
https://doi.org/10.1007/s43207-020-00100-6

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Robust, Brighter Red Emission from CsPbI3 Perovskite Nanocrystals via Endotaxial Protection

Autor: Jun Hyeong In, Han Bin Cho, N. S.M. Viswanath, Won Bin Im, G. Krishnamurthy Grandhi

Publikováno v: The Journal of Physical Chemistry Letters. 11:3699-3704

Increasing the stability of lead halide perovskites (LHPs) is required for integrating them into light-emitting devices. To date, most studies toward this direction have primarily concentrated on improving the chemical stability of green-emitting LHP

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8fafc54b1c7750da814f0e49e39fe7eb
https://doi.org/10.1021/acs.jpclett.0c00522

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Mechanochemistry as a Green Route: Synthesis, Thermal Stability, and Postsynthetic Reversible Phase Transformation of Highly-Luminescent Cesium Copper Halides

Autor: Sungho Choi, N. S.M. Viswanath, Joo Hyeong Han, Won Bin Im, G. Krishnamurthy Grandhi, Seongmin Kim, Han Bin Cho

Publikováno v: The journal of physical chemistry letters. 11(18)

Cesium copper halides (CCHs) show promise for optoelectronic applications, and their syntheses usually involve high-temperatures and hazard solvents. Herein, the synthesis of highly luminescent and phase-pure Cs3Cu2X5 (X = Cl, Br, and I) and CsCu2I3

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::921feaace60cd236243f5c7fdf8a4118
https://pubmed.ncbi.nlm.nih.gov/32870687

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Correction: Highly stable hetero-structured green-emitting cesium lead bromide nanocrystals via ligand-mediated phase control

Autor: G. Krishnamurthy Grandhi, Han Bin Cho, Won Bin Im, N. S.M. Viswanath, Seongmin Kim

Publikováno v: Nanoscale. 12(3)

Correction for ‘Highly stable hetero-structured green-emitting cesium lead bromide nanocrystals via ligand-mediated phase control’ by G. Krishnamurthy Grandhi et al., Nanoscale, 2019, 11, 21137–21146.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb2efe2c2e520524732472c655a964d3
https://pubmed.ncbi.nlm.nih.gov/31686059

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Zero-thermal-quenching and improved chemical stability of a UCr4C4-type phosphor via crystal site engineering

Autor: Ha Tran Huu, Ha Jun Kim, Chan-Jin Park, G. Krishnamurthy Grandhi, Won Bin Im, Seongmin Kim, Hyun You Kim, N. S.M. Viswanath, Hyuk Choi

Publikováno v: Chemical Engineering Journal. 420:127664

Europium-doped UCr4C4 cuboid phosphors with narrow and tunable emission show promise for application in designing light-emitting diodes with high color purity and thermal stability. Nevertheless, their poor chemical stability bottlenecks their use in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2d4e46ceefe62bc7dda50fd5bd55a14a
https://doi.org/10.1016/j.cej.2020.127664

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