Zobrazeno 1 - 10
of 218
pro vyhledávání: '"G.P Darshan"'
Autor:
A. Sandhyarani, M.K. Kokila, G.P. Darshan, H. Nagabhushana, Dr. M.Sc., M.Phil., Ph.D., D.Sc., S.C. Sharma, H.B. Premkumar, Daruka Prasad B, Dr.
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 6, Iss 1, Pp 92-99 (2021)
In the present paper, various fluxes assisted Eu3+ doped SrTiO3 nanophosphors were prepared via a solution combustion route. Among all fluxes, NH4F was found to be an appropriate one, which can reduce the forming temperature, improve morphology and e
Externí odkaz:
https://doaj.org/article/d7dccc2c3ba9420bb68cffb4116de409
Autor:
A. Sandhyarani, M.K. Kokila, G.P. Darshan, S.C. Sharma, D. Kavyashree, H.B. Premkumar, H. Nagabhushana
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 5, Iss 4, Pp 487-496 (2020)
Herein, a series of SrTiO3:Nd3+ (1–11 mol %) nanophosphors has been prepared via a conventional hydrothermal route. Their anti-counterfeiting and latent fingerprint visualization applications are reported, which show important level-III features an
Externí odkaz:
https://doaj.org/article/9bdb767b9571426892322e099bb89e71
Autor:
C. Suresh, G.P. Darshan, H.B. Premkumar, S.C. Sharma, H. Adarsha, H.C. Prameela, H. Nagabhushana
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 7, Iss 1, Pp 100397- (2022)
The fabrication of core–shell structured SiO2@LaOF:Eu3+, Li+ nanophosphors and its surface functionalization with oleic acid (OA) by an ultrasonication route are reported. The X-ray diffraction profiles were well indexed to the tetragonal phase of
Externí odkaz:
https://doaj.org/article/10e4421d20324ea3886ea261ed0f4e42
Autor:
K.R. Ashwini, H.B. Premkumar, G.P. Darshan, R.B. Basavaraj, H. Nagabhushana, B. Daruka Prasad
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 5, Iss 1, Pp 111-118 (2020)
Near UV-light excitable inorganic phosphors are widely recommended for white-light emitting diode (wLED) applications. Here in this paper we prepared Eu3+ doped SrAl2O4 phosphors with various concentrations of Eu3+ (1–5 mol%) by a green combustion
Externí odkaz:
https://doaj.org/article/bf3e08776151469ba34a0e47af8cbacb
Autor:
V.S. Amrutha, K.S. Anantharaju, D.S. Prasanna, Dinesh Rangappa, Krushitha Shetty, H. Nagabhushana, K. Ashwini, Y.S. Vidya, G.P. Darshan
Publikováno v:
Arabian Journal of Chemistry, Vol 13, Iss 1, Pp 1449-1465 (2020)
The present study reveals a simple and efficient method for the green reduction of graphene oxide (GO) employing Emblica officinalis fruit extract as a reducing agent. Here, a green sol–gel method has been reported for the preparation of ZnFe2O4 an
Externí odkaz:
https://doaj.org/article/7648e16463fb489491d2525fd9a268ce
Publikováno v:
Arabian Journal of Chemistry, Vol 13, Iss 1, Pp 580-594 (2020)
ZnAl2O4:Tb3+ (0.25–5 mol%) nanophosphors were synthesized by ultrasound assisted sonochemical route using bio-sacrificial Aloe Vera (A.V.) gel as a template. The effect of sonication time, A.V. gel concentration, pH value, sonication power and temp
Externí odkaz:
https://doaj.org/article/b68b95bd12c54ce7a2674109ec62e2d8
Publikováno v:
In Materials Science & Engineering C June 2019 99:282-295
Autor:
Bhimanagouda Kalaburgi, B. Daruka Prasad, D.R. Lavanya, S.C. Sharma, C. Srikanth, G.P Darshan, M. Nasreen Taj, null Premkumar, H. Nagabhushana
Publikováno v:
Ceramics International. 49:4586-4598
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c63806c6ce1a093a71a6d484fac80da0
https://doi.org/10.1016/j.ceramint.2022.09.344
https://doi.org/10.1016/j.ceramint.2022.09.344
Autor:
C. Suresh, H. Nagabhushana, G.P. Darshan, R.B. Basavaraj, D. Kavyashree, S.C. Sharma, A. Arulmozhi, B. Daruka Prasad, H.J. Amith Yadav
Publikováno v:
Arabian Journal of Chemistry, Vol 11, Iss 4, Pp 460-482 (2018)
Luminescent lanthanum oxyfluoride nano inorganic materials were considered to be prospective building blocks for multifunctional applications. This offers new potentials in surface-based science comprising of visualization of latent fingerprint (LFPs
Externí odkaz:
https://doaj.org/article/86c7f39cb2c644d4a0b206481044ccae
Autor:
H.J. Amith Yadav, B. Eraiah, H. Nagabhushana, B. Daruka Prasad, R.B. Basavaraj, M.K. Sateesh, J.P. Shabaaz Begum, G.P. Darshan, G.R. Vijayakumar
Publikováno v:
Arabian Journal of Chemistry, Vol 11, Iss 3, Pp 324-342 (2018)
Nd3+ doped zinc oxide nanophosphor were prepared by a modified sonochemical route. Adsorption of Aloe vera (A.V.) gel by the precursors made the final product with controlled morphology, that is A.V. gel acted as surfactant. Characterization studies
Externí odkaz:
https://doaj.org/article/c690ed51db5040b1b1670bc80d008e4d