Zobrazeno 1 - 10
of 30
pro vyhledávání: '"W.Q. Santos"'
Publikováno v:
Physica B: Condensed Matter. 558:146-153
Er3+ ions doped oxyhalide barium borate glasses were prepared by means of conventional melt quenching technique. In the studied glass system, besides the Er3+ doping, barium oxide was partially replaced by BaF2 and/or BaCl2. The amorphous nature of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64986e8f8c2648d0283fb0d8723f2acb
https://doi.org/10.1016/j.physb.2019.01.038
https://doi.org/10.1016/j.physb.2019.01.038
Autor:
Marcello X. Façanha, Antonio Sergio Bezerra Sombra, Carlos Jacinto, Felipe F. do Carmo, Artur S. Gouveia-Neto, W.Q. Santos, Tasso O. Sales, João P.C. do Nascimento
Publikováno v:
Journal of Luminescence. 204:676-684
Er3+/Tm3+/Yb3+ tri-doped YNO phosphors were obtained by the solid-state reaction method. X-ray diffraction, Raman spectroscopy, and FE-SEM were employed for characterization of the materials, and no significant structural changes have been noticed. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb83f2022a0f6ea06b7c3b6eb39dc53d
https://doi.org/10.1016/j.jlumin.2018.08.079
https://doi.org/10.1016/j.jlumin.2018.08.079
Autor:
Tasso O. Sales, Marcello X. Façanha, Carlos Jacinto da Silva, Antonio Sergio Bezerra Sombra, João P.C. do Nascimento, Artur S. Gouveia-Neto, Felipe F. do Carmo, W.Q. Santos
Publikováno v:
Journal of Luminescence. 204:539-547
BaBi2Nb2O9:Li+/Tm3+/Er3+/Yb3+ phosphors were successfully synthesized by the high-temperature solid-state method and up-conversion white-light emission has been achieved by tuning of the Tm3+ and Li+ contents. X-ray diffraction and room temperature p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c66708677545ecaab7a0597a2cc09be1
https://doi.org/10.1016/j.jlumin.2018.08.016
https://doi.org/10.1016/j.jlumin.2018.08.016
Publikováno v:
Journal of Luminescence. 192:827-831
Rare earth ions doped transparent glasses are among promising solid-state materials for various optical applications. In this report, Eu3+ ions doped new fluoroborate glasses were prepared by conventional melt-quenching technique and their optical pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff5c5d0409dd50d319015595eeb06da5
https://doi.org/10.1016/j.jlumin.2017.08.018
https://doi.org/10.1016/j.jlumin.2017.08.018
Publikováno v:
Journal of Luminescence. 188:18-23
Tm3+/Dy3+ co-doped LaF3 nanocrystals have been synthesized by the co-precipitation method and the luminescence properties under UV light excitation examined. Tunable light emission containing blue (450 nm), yellow (570 nm), and red (660 nm) light com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1dc7de71f0503a895ef301a3f849e4ac
https://doi.org/10.1016/j.jlumin.2017.04.002
https://doi.org/10.1016/j.jlumin.2017.04.002
Publikováno v:
Journal of Luminescence. 233:117919
Pr3+ and Yb3+ co-doped NaYF4 nanocrystals (NCs) were synthetized via a simple coprecipitation method and investigated their efficiency of near-infrared quantum cutting (down-converter) with possible application for photovoltaic solar cells. The effec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7b7387bf8343eabc61f3cee0761e61f
https://doi.org/10.1016/j.jlumin.2021.117919
https://doi.org/10.1016/j.jlumin.2021.117919
Autor:
W.Q. Santos, Luís D. Carlos, Blanca del Rosal, Carlos D. S. Brites, Artur S. Gouveia-Neto, Daniel Jaque, Carlos Jacinto, Agustín Martín Domingo, Francisco Sanz-Rodríguez, Uéslen Rocha, Upendra Kumar Kagola, Erving Ximendes, Nuria Fernández, David Bravo
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
The recent development of core/shell engineering of rare earth doped luminescent nanoparticles has ushered a new era in fluorescence thermal biosensing, allowing for the performance of minimally invasive experiments, not only in living cells but also
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c98b80b88939144aa27295709ca2f515
https://doi.org/10.1021/acs.nanolett.5b04611
https://doi.org/10.1021/acs.nanolett.5b04611
Publikováno v:
Tellurite Glass Smart Materials ISBN: 9783319765679
Tellurite glasses are among the most interesting host matrices for various optical applications. The excellent optical and thermal properties of tellurite glasses are due to their high linear and nonlinear refractive indices, good transparency window
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::024739f621320bdfa25dec066d3138fa
https://doi.org/10.1007/978-3-319-76568-6_8
https://doi.org/10.1007/978-3-319-76568-6_8
Autor:
Rúbia Young Sun Zampiva, Carlos Perez Bergmann, Luiz Acauan, Carlos A. Figueroa, Carla Schwengber ten Caten, Fernando Bonatto, Carlos Jacinto, Lucio Strazzabosco Dorneles, Annelise Kopp Alves, C. D. Boeira, Claudir Gabriel Kaufmann, W.Q. Santos, Rafael Lopes Seeger
Efficiency of solar devices is affected by several factors such as, devices surface reflection and the energy emitted in the ultraviolet and infrared regions, which are not harnessed by the cell, are among the main causes. To reduce these losses, we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::096e973487dbd6120fceb4313e459eab
http://hdl.handle.net/11573/1415482
http://hdl.handle.net/11573/1415482
Publikováno v:
Laser Physics Letters. 16:055002
In this letter we present experimental results showing the presence of narrow peaks in the random laser emission caused by stimulated Raman scattering of the laser dye molecules. In order to verify that the narrow peaks were due to Raman scattering w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68a55e61fe7144cc6eeb2d8b6362bc3f
https://doi.org/10.1088/1612-202x/ab1269
https://doi.org/10.1088/1612-202x/ab1269