Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Kayo O. Vieira"'
Publikováno v:
Química Nova, Vol 38, Iss 10, Pp 1366-1373 (2015)
Carbon dots (CDs) constitute a new class of carbon-based nanomaterials that measure less than 10 nm and display attractive physical and chemical features such as fluorescence. CDs have been considered the new “power” carbon nanomaterials since th
Externí odkaz:
https://doaj.org/article/14257b15b615477baca6167c325ff809
Publikováno v:
Química Nova, Vol 38, Iss 1, Pp 22-29 (2015)
Water-soluble CdTe quantum dots are synthesized to investigate how short-chain surface ligands bearing -SH, -COOH, and -NH2 groups interact with CdTe during nucleation/growth processes. Their optical properties and colloidal stability after the ligan
Externí odkaz:
https://doaj.org/article/be152875c774452f9644f31f90c76322
Autor:
Jefferson Luis Ferrari, Marco Antônio Schiavon, Kayo O. Vieira, Jefferson Bettini, Luiz Fernando Cappa de Oliveira
Publikováno v:
New Carbon Materials. 32:327-337
We report the synthesis of novel multicolor photoluminescent carbon quantum dots (CQDs) from multi-wall carbon nanotubes, and their covalent functionalization with amines by peptide bonds. The resulting CQDs consisted of quasi-spherical graphite nano
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22cb02366ea3be650b8bd677224ca4c1
https://doi.org/10.1016/s1872-5805(17)60126-4
https://doi.org/10.1016/s1872-5805(17)60126-4
Publikováno v:
Materials Research, Vol 21, Iss 6 (2018)
Materials Research v.21 n.6 2018
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Volume: 21, Issue: 6, Article number: e20180291, Published: 27 AUG 2018
Materials Research v.21 n.6 2018
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Volume: 21, Issue: 6, Article number: e20180291, Published: 27 AUG 2018
This work reports a simple and reproducible method for silica-coated multiwalled carbon nanotubes (MWCNTs) nanostructures by the sol-gel method using tetraethoxysilane and 3-aminopropyltriethoxysilane as organosilicon precursors of silica. The synthe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e760a6f36ca3e49e478ad1541a58836e
https://doi.org/10.1590/1980-5373-mr-2018-0291
https://doi.org/10.1590/1980-5373-mr-2018-0291
Publikováno v:
Revista Virtual de Química. 7:1306-1346
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be181eedf66205eb031295e664e08a10
https://doi.org/10.5935/1984-6835.20150073
https://doi.org/10.5935/1984-6835.20150073
Publikováno v:
Materials Chemistry and Physics. :405-412
The development of homogeneous CdTe quantum dots-carbon nanotubes heterostructures based on electrostatic interactions has been investigated. We report a simple and reproducible non-covalent functionalization route that can be accomplished at room te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f901c9b1b1c86e9bd806a80d39701e8
https://doi.org/10.1016/j.matchemphys.2014.10.036
https://doi.org/10.1016/j.matchemphys.2014.10.036
Autor:
Jefferson Bettini, Jefferson Luiz Ferrari, Letícia Gazola Tartuci, Luis Fernando Tonholo Domingos, Ellen Raphael, Marco Antônio Schiavon, Kayo O. Vieira, Brener R. C. Vale
Publikováno v:
Journal of Nanoparticle Research. 19
In this paper, we describe the synthesis of silica-encapsulated CdTe/MPA quantum dot (QD) nanocomposites (CdTe/MPA@SiO2) at room temperature starting from water-soluble CdTe QDs capped with 3-mercaptopropionic acid (MPA) as surface ligand (CdTe/MPA),
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec46e2fa8e75f5dc6aea3121a429b3a6
https://doi.org/10.1007/s11051-017-3947-y
https://doi.org/10.1007/s11051-017-3947-y
Autor:
Herisson F. Santos, Victor L. Guimarães, Marco T. Raposo, K. Balzuweit, Marco Antônio Schiavon, Kayo O. Vieira
Publikováno v:
Journal of Materials Science. 47:7217-7224
The synthesis and characterization of CdS nanoparticles prepared in poly(vinyl alcohol) (PVA) in situ, to produce a series of CdS/PVA nanocomposite films, is described in this paper. The role of 2-mercaptoethanol as the surface ligand for the nanopar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dad5cc79583d34b06e42f32de9de7778
https://doi.org/10.1007/s10853-012-6668-8
https://doi.org/10.1007/s10853-012-6668-8
Autor:
Marco Antônio Schiavon, Kayo O. Vieira, Cláudia Emanuele Machado, Roberto Vaz, Jefferson Luis Ferrari
Publikováno v:
Química Nova.
Carbon dots (CDs) constitute a new class of carbon-based nanomaterials that measure less than 10 nm and display attractive physical and chemical features such as fluorescence. CDs have been considered the new “power” carbon nanomaterials since th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e15f4ed52570d773a0247f4de8ff146f
https://doi.org/10.5935/0100-4042.20150150
https://doi.org/10.5935/0100-4042.20150150
Autor:
Brener R. C. Vale, Jefferson Luis Ferrari, Marco Antônio Schiavon, Kayo O. Vieira, J. C. L. Sousa
Publikováno v:
Química Nova.
Water-soluble CdTe quantum dots are synthesized to investigate how short-chain surface ligands bearing -SH, -COOH, and -NH2 groups interact with CdTe during nucleation/growth processes. Their optical properties and colloidal stability after the ligan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1aa04cf7bc06eae822fd921678579eec
https://doi.org/10.5935/0100-4042.20140292
https://doi.org/10.5935/0100-4042.20140292