Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Kukku Thomas"'
Autor:
R J Manju Gopinath, N.V. Unnikrishnan, Dinu Alexander, Cyriac Joseph, Kukku Thomas, Monu Joy, P.R. Biju
Publikováno v:
Journal of Alloys and Compounds. 804:252-261
Novel white light emitting dysprosium oxalate nanocrystals were prepared via microwave assisted co-precipitation method and the photoluminescence characteristics were elucidated on the basis of crystal structure. X-ray powder diffraction and transmis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35ddd6635791ae26a082c4dd04509cb4
https://doi.org/10.1016/j.jallcom.2019.06.219
https://doi.org/10.1016/j.jallcom.2019.06.219
Autor:
Cyriac Joseph, Linju Ann Jacob, Kukku Thomas, N.V. Unnikrishnan, P.R. Biju, S. Sisira, M.A. Ittyachen, Dinu Alexander
Publikováno v:
Journal of Luminescence. 211:284-291
A series of trivalent samarium doped lanthanum molybdate nanophosphors were prepared by co-precipitation route. The formation of highly crystalline tetragonal nanocrystals with space group I41/a is identified from powder X-ray diffractogram. The morp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20a017a1bd89a8264748fc331e39fffd
https://doi.org/10.1016/j.jlumin.2019.03.045
https://doi.org/10.1016/j.jlumin.2019.03.045
Autor:
Dinu Alexander, P.R. Biju, Kukku Thomas, N.V. Unnikrishnan, Linju Ann Jacob, Cyriac Joseph, S. Sisira
Publikováno v:
Journal of Luminescence. 209:197-207
Novel orange red emitting CePO4:Sm3+ nanocrystals were synthesized for the first time via sol gel method. XPS analysis revealed the presence of Ce4+ ions as a surface defects and also confirmed that these surface defects can be cleared out by anneali
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af3e107aa0438b84b8e73e3c1edab3c6
https://doi.org/10.1016/j.jlumin.2019.01.043
https://doi.org/10.1016/j.jlumin.2019.01.043
Autor:
Dinu Alexander, S. Sisira, Subash Gopi, Ajeesh Kumar S, Kukku Thomas, Cyriac Joseph, Linju Ann Jacob, N.V. Unnikrishnan, P.R. Biju
Publikováno v:
Optical Materials. 86:366-375
Tunable multicolour emitting Eu3+ activated Terbium oxalate nanophosphors synthesised by simple microwave assisted co-precipitation method is bring forth. The powder X-ray diffraction analysis confirmed the crystal system of synthesised nanophosphors
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0b0545cd6c6f09be1a5de7a6900bf1b
https://doi.org/10.1016/j.optmat.2018.10.013
https://doi.org/10.1016/j.optmat.2018.10.013
Autor:
Kukku Thomas, S. Sisira, Dinu Alexander, P.R. Biju, N. V. Unnikrishnan, Kamal P. Mani, Cyriac Joseph, Linju Ann Jacob
Publikováno v:
SN Applied Sciences. 2
A potential UV-excitable green-emitting erbium-doped α-Na3Y(VO4)2 nanocrystalline phosphor has been successfully synthesized via facile citrate-based solution combustion method. The structural characterization of the sample was carried out using X-r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4b74e8899aa08a6ef91a1a0409ddd47
https://doi.org/10.1007/s42452-020-2873-2
https://doi.org/10.1007/s42452-020-2873-2
Autor:
Dinu Alexander, Kukku Thomas, Subash Gopi, Cyriac Joseph, N.V. Unnikrishnan, P.R. Biju, S. Sisira
Publikováno v:
Optical Materials. 80:37-46
Tb3+/Eu3+ co-doped lanthanum molybdate nanophosphors were synthesized by conventional co-precipitation method. The Powder X-ray diffractogram revealed the formation of highly crystalline tetragonal nanocrystals with space group I41/a and the detailed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::170a57d448bda4e06bc5fdc9941420af
https://doi.org/10.1016/j.optmat.2018.04.010
https://doi.org/10.1016/j.optmat.2018.04.010
Autor:
M.A. Ittyachen, Cyriac Joseph, Dinu Alexander, Kukku Thomas, P.R. Biju, S. Sisira, N.V. Unnikrishnan
Publikováno v:
Dyes and Pigments. 148:386-393
Green emitting novel Terbium oxalate decahydrate nanophosphor (Tb 2 (C 2 O 4 ) 3 .10H 2 O) with particle size in the range 2–4 nm, was synthesized by microwave assisted co-precipitation method. The structure and particle size of the sample were elu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4da4f66b0c004337b86e61dce307d3e2
https://doi.org/10.1016/j.dyepig.2017.09.029
https://doi.org/10.1016/j.dyepig.2017.09.029
Publikováno v:
Journal of Materials Science. 53:1380-1394
Terbium-doped cerium phosphate nanocrystals are successfully synthesized through microwave-assisted sol–gel method and are annealed at different temperatures for detailed investigation on structural and optical properties. The structural characteri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b90d75545fb7597feb2d6fd5676c9a3
https://doi.org/10.1007/s10853-017-1600-x
https://doi.org/10.1007/s10853-017-1600-x
Autor:
N.V. Unnikrishnan, Kukku Thomas, Cyriac Joseph, M.A. Ittyachen, Dinu Alexander, P.R. Biju, S. Sisira
Publikováno v:
Journal of Materials Science: Materials in Electronics. 28:17702-17709
Terbium doped lanthanum molybdate (La2−xTbx(MoO4)3) nanocrystals were successfully synthesized by facile co-precipitation method. The powder X-ray diffractogram confirmed that the nanocrystals were crystallized in tetragonal phase with space group
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e829dd03341aa8f0791341208c0a1334
https://doi.org/10.1007/s10854-017-7708-6
https://doi.org/10.1007/s10854-017-7708-6
Autor:
N.V. Unnikrishnan, S. Sisira, Kukku Thomas, Kamal P. Mani, P.R. Biju, Dinu Alexander, G. Vimal, M.A. Ittyachen, Cyriac Joseph
Publikováno v:
Materials Letters. 189:160-163
A novel green emitting phosphor, Terbium oxalate decahydrate, was synthesized in crystalline form employing the hydro silica gel method. The structure of the sample was confirmed by x-ray diffraction analysis. Photoluminescence excitation spectrum of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71bf85bec27a4c20798a676e2e46b679
https://doi.org/10.1016/j.matlet.2016.12.002
https://doi.org/10.1016/j.matlet.2016.12.002