Zobrazeno 1 - 10
of 40
pro vyhledávání: '"M. Venkataravanappa"'
Autor:
C. Suresh, Y.S. Vidya, H. Nagabhushana, K.S. Anantharaju, M. Venkataravanappa, K. Umeshareddy
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 6, Iss 1, Pp 75-83 (2021)
Novel and highly effective red emitting phosphor Pr3+ doped (1–11 mol %) Lanthanum Oxyfluoride (LaOF) nanoparticles were synthesized as part of solid state white light emitting diodes by a low temperature solution combustion method using Centella a
Externí odkaz:
https://doaj.org/article/0270031056394a2fa50373e9c81bf273
Autor:
K. Umeshareddy, C. Suresh, M. Venkataravanappa, Y.S. Vidya, K.S. Anantharaju, H. Nagabhushana
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 6, Iss 1, Pp 75-83 (2021)
Novel and highly effective red emitting phosphor Pr3+ doped (1–11 mol %) Lanthanum Oxyfluoride (LaOF) nanoparticles were synthesized as part of solid state white light emitting diodes by a low temperature solution combustion method using Centella a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2688134c18de5a3c8dd02ff36c551fd
https://doi.org/10.1016/j.jsamd.2020.11.001
https://doi.org/10.1016/j.jsamd.2020.11.001
Publikováno v:
NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020.
In the present report a sequence of Eu3+ (1-9 mol%) incorporated Mg2SiO2 nanopowders (NPs) are prepared through green mediated Sonochemical synthesis by means of Aloe vera gel as surfactant. Powder X-ray diffraction (PXRD) patterns are studied in ord
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6de725b024a956ddcd05a665abc3917
https://doi.org/10.1063/5.0060850
https://doi.org/10.1063/5.0060850
Publikováno v:
Third International Conference on Material Science, Smart Structures and Applications: (ICMSS 2020).
In present work, novel Mg2SiO4: Eu3+ Nanophosphors were blended by sonochemical route utilizing Aloe-Vera gel (A.V.) as bio-surfactant. Crystallinity was studied utilizing PXRD. Scanning Electron magnifying instrument was utilized to concentrate surf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a6043bead2f844256881774af41ecc1
https://doi.org/10.1063/5.0039483
https://doi.org/10.1063/5.0039483
Autor:
G.P. Darshan, R.B. Basavaraj, S.C. Sharma, H. Nagabhushana, B. Daruka Prasad, P. Hema Prabha, M. Venkataravanappa, S. Ramani
Publikováno v:
Journal of Rare Earths. 36:690-702
Latent fingerprints (LFPs) are the major physical evidences for the identification of individuals during crime spot investigation. Till date, numerous methods were followed to visualize LFPs. However, simple, accurate, and cost-effective method has w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef62ae9cefaa65eb6bedd2229dfbc543
https://doi.org/10.1016/j.jre.2017.11.013
https://doi.org/10.1016/j.jre.2017.11.013
Autor:
B. Daruka Prasad, K.V. Archana, G.P. Darshan, S.C. Sharma, H. Nagabhushana, R.B. Basavaraj, M. Venkataravanappa
Publikováno v:
Materials Research Bulletin. 97:281-292
A series of Eu 2+ (1–5 mol%) activated Ba 2 SiO 4 nanophosphors were prepared by ecofriendly ultrasound assisted sonochemical route using Epigallocatechin gallate (EGCG) extract as bio-surfactant. The obtained nanophosphors were well characterized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0ff60519f54db44243e10994b68f0cf
https://doi.org/10.1016/j.materresbull.2017.08.018
https://doi.org/10.1016/j.materresbull.2017.08.018
Publikováno v:
Materials Today: Proceedings. 5:21385-21391
For the first time green route was used to synthesize pure and Cr3+ (1-11 mol %) doped Yttrium oxide (Y2O3) nanostructures by using Cymbopogon citrates extract as a fuel. The prepared samples were well characterized by powder X-ray diffraction (PXRD)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88cb183e9b6ab62e430e52dcccd9d5b6
https://doi.org/10.1016/j.matpr.2018.06.544
https://doi.org/10.1016/j.matpr.2018.06.544
Autor:
G.P. Darshan, M. Venkataravanappa, H. Nagabhushana, G.R. Vijayakumar, R.B. Basavaraj, B. Daruka Prasad
Publikováno v:
Ultrasonics Sonochemistry. 34:803-820
A novel Sr2SiO4:Eu (1–5 mol %) superstructures (SS) were synthesized using bio-sacrificial A.V. gel assisted ultrasound method. Powder X-ray diffraction patterns confirmed the presence of both α and β phase formation. It was evident that the morp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af9f2506e888ce5431aad185b58e76da
https://doi.org/10.1016/j.ultsonch.2016.07.004
https://doi.org/10.1016/j.ultsonch.2016.07.004
Autor:
H. Nagabhushana, R.B. Basavaraj, M. Venkataravanappa, J. B. Prasanna Kumar, K. N. Venkatachalaiah, B. Daruka Prasad
Publikováno v:
Inorganic and Nano-Metal Chemistry. 48:107-109
A series of Dy3+-activated Ca2SiO4 phosphors were prepared by low-temperature solution combustion method. The obtained phosphor was well characterized by powder X-ray diffraction, scanning electron microscopy, UV–visible spectroscopy, etc. The aver
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e749999fde394ddf9b8fded760bcffd8
https://doi.org/10.1080/24701556.2017.1357580
https://doi.org/10.1080/24701556.2017.1357580
Autor:
G.P. Darshan, M. Venkataravanappa, H.B. Premkumar, B. Daruka Prasad, H. Nagabhushana, Udayabhanu, G.R. Vijayakumar
Publikováno v:
Ultrasonics Sonochemistry. 33:226-239
This paper reports for the first time ultrasound, EGCG assisted synthesis of pure and Eu(3+) (1-5mol%) activated Ca2SiO4 nanophosphors having self-assembled superstructures with high purity. The shape, size and morphology of the product were tuned by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54affc1d065ce974307cfd0e947dacd8
https://doi.org/10.1016/j.ultsonch.2016.03.028
https://doi.org/10.1016/j.ultsonch.2016.03.028