Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Lubomir Spanhel"'
Autor:
Yousef Murtaja, Lubomir Lapčík, Barbora Lapčíková, Shweta Gautam, Martin Vašina, Lubomir Spanhel, Jakub Vlček
Publikováno v:
Advances in Colloid and Interface Science
Advances in Colloid and Interface Science, 2022, 304, pp.102681. ⟨10.1016/j.cis.2022.102681⟩
Advances in Colloid and Interface Science, 2022, 304, pp.102681. ⟨10.1016/j.cis.2022.102681⟩
International audience; Polymeric materials play a vital role in our daily life, but the growing concern for the environment demands economical and natural biopolymers that can be cross-linked to create technologically innovative lightweight material
Publikováno v:
Optical Materials
Optical Materials, Elsevier, 2021, 112, pp.110805. ⟨10.1016/j.optmat.2021.110805⟩
Optical Materials, 2021, 112, pp.110805. ⟨10.1016/j.optmat.2021.110805⟩
Optical Materials, Elsevier, 2021, 112, pp.110805. ⟨10.1016/j.optmat.2021.110805⟩
Optical Materials, 2021, 112, pp.110805. ⟨10.1016/j.optmat.2021.110805⟩
International audience; We present a generic sol-gel approach for the preparation of a distributed Bragg reflector (DBR) based on combining nanocrystalline Zn2TiO4 with amorphous SiO2 xerogel films. We determined the effects of the annealing temperat
Autor:
Karina Nigoghossian, Marcel Poulain, Moliria V. Santos, Lubomir Spanhel, Hernane da Silva Barud, Sidney José Lima Ribeiro, Younes Messaddeq, Robson Rosa da Silva, Rosana Maria Nascimento de Assunção, José Maurício Almeida Caiut, Lucas A. Rocha
Publikováno v:
Applied Surface Science
Applied Surface Science, Elsevier, 2015, 341, pp.28-36. ⟨10.1016/j.apsusc.2015.02.140⟩
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Applied Surface Science, 2015, 341, pp.28-36. ⟨10.1016/j.apsusc.2015.02.140⟩
Applied Surface Science, Elsevier, 2015, 341, pp.28-36. ⟨10.1016/j.apsusc.2015.02.140⟩
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Applied Surface Science, 2015, 341, pp.28-36. ⟨10.1016/j.apsusc.2015.02.140⟩
The role of orange based pectin in the nucleation and growth of silver and gold nanoparticles is addressed. Pectin is a complex polysaccharide found in fruits such as oranges, lemons, passion fruits or apples. It displays smooth and hairy chain regio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12a03aea26638a9d70a821505027469d
https://hal.archives-ouvertes.fr/hal-01131939
https://hal.archives-ouvertes.fr/hal-01131939
Autor:
Soraya Ababou-Girard, Lubomir Spanhel, Dang Sheng Su, G. N. Starukh, Achim Klein, Fabien Grasset
Publikováno v:
Advanced Materials
Advanced Materials, Wiley-VCH Verlag, 2005, 17 (3), pp.294-297. ⟨10.1002/adma.200400031⟩
Advanced Materials, 2005, 17 (3), pp.294-297. ⟨10.1002/adma.200400031⟩
Advanced Materials, Wiley-VCH Verlag, 2005, 17 (3), pp.294-297. ⟨10.1002/adma.200400031⟩
Advanced Materials, 2005, 17 (3), pp.294-297. ⟨10.1002/adma.200400031⟩
International audience; A new class of colored heterometallic ZnxTiyOw–zNz waveguides developed using a nanocolloidal sol–gel route combined with thermal treatment under ammonia atmosphere is reported. The resulting mesoporous layers are photosta
Publikováno v:
Journal of Sol-Gel Science and Technology
Journal of Sol-Gel Science and Technology, Springer Verlag, 2014, 72 (3), pp.0928-0707. ⟨10.1007/s10971-014-3553-8⟩
Journal of Sol-Gel Science and Technology, 2014, 72 (3), pp.0928-0707. ⟨10.1007/s10971-014-3553-8⟩
Journal of Sol-Gel Science and Technology, Springer Verlag, 2014, 72 (3), pp.0928-0707. ⟨10.1007/s10971-014-3553-8⟩
Journal of Sol-Gel Science and Technology, 2014, 72 (3), pp.0928-0707. ⟨10.1007/s10971-014-3553-8⟩
Hot ethanolic mixtures of hydrated Zn(II)- and Fe(II)-carboxylates (acetate and lactate) react to form yellow-orange colored Fe(III)xZnyOzOHw heteroclusters showing pronounced electronic resonances in the optical UV absorption spectra. On the additio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e9717c6a5feb3e8c8257e8bff820b21
https://hal.archives-ouvertes.fr/hal-01081868
https://hal.archives-ouvertes.fr/hal-01081868
Publikováno v:
Journal of Sol-Gel Science and Technology
Journal of Sol-Gel Science and Technology, Springer Verlag, 2014, 69 (2), pp.457-463. ⟨10.1007/s10971-013-3184-5⟩
Journal of Sol-Gel Science and Technology, 2014, 69 (2), pp.457-463. ⟨10.1007/s10971-013-3184-5⟩
Journal of Sol-Gel Science and Technology, Springer Verlag, 2014, 69 (2), pp.457-463. ⟨10.1007/s10971-013-3184-5⟩
Journal of Sol-Gel Science and Technology, 2014, 69 (2), pp.457-463. ⟨10.1007/s10971-013-3184-5⟩
International audience; Sol–gel processing of ZnO nanocolloids has been revisited to prepare various alkaline metal acetate (MAc: K, Na, Li-acetates) containing ZnO nanopowders. Using differential scanning calorimetry and X-ray diffraction investig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::807d0f681858ee248dd3ac7522bc5113
https://hal.archives-ouvertes.fr/hal-01096986
https://hal.archives-ouvertes.fr/hal-01096986
Publikováno v:
Journal of Sol-Gel Science and Technology. 22:109-113
Wet chemical synthesis and preliminary photocatalytical characteristics of titania and Fe(III)-containing TiO2 layers are presented. A highly stable coating colloids could be prepared under base- as well as acid-catalyzed condensation conditions. Str
Autor:
G. Müller, Ulrike Bloeck, Dang Sheng Su, Michael Giersig, Michael Hilgendorff, Idriss Bedja, Martin Lerch, Constantin Czekelius, Lubomir Spanhel
Publikováno v:
Advanced Materials. 11:643-646
Thin semiconductor CuInSe2 and CuInS2 films (CIS) with bandgap values (Eg) of around 1.04 eV (for selenide) and 1.5 eV (for sulfide) represent an important class of the currently developed light absorbers for solar energy harvesting. Conversion effic
Publikováno v:
Journal of Alloys and Compounds
Journal of Alloys and Compounds, Elsevier, 2011, 509 (9), pp.4018-4024. ⟨10.1016/j.jallcom.2011.01.009⟩
Journal of Alloys and Compounds, 2011, 509 (9), pp.4018-4024. ⟨10.1016/j.jallcom.2011.01.009⟩
Journal of Alloys and Compounds, Elsevier, 2011, 509 (9), pp.4018-4024. ⟨10.1016/j.jallcom.2011.01.009⟩
Journal of Alloys and Compounds, 2011, 509 (9), pp.4018-4024. ⟨10.1016/j.jallcom.2011.01.009⟩
International audience; Samples of pure and rare earth (RE)-doped nanocrystalline Zn2TiO4 (RE = Eu, Er, Tm) have successfully been prepared by the single batch sol-gel method in a form of powders. The powders were annealed up to 1200 °C and analyzed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3434d0db34cbd6d34db2dd6d15040d99
https://hal.archives-ouvertes.fr/hal-00719443
https://hal.archives-ouvertes.fr/hal-00719443
Publikováno v:
Journal of Physical Chemistry C
Journal of Physical Chemistry C, 2010, 114 (7), pp.2843-2852. ⟨10.1021/jp9036217⟩
Journal of Physical Chemistry C, American Chemical Society, 2010, 114 (7), pp.2843-2852. ⟨10.1021/jp9036217⟩
Journal of Physical Chemistry C, 2010, 114 (7), pp.2843-2852. ⟨10.1021/jp9036217⟩
Journal of Physical Chemistry C, American Chemical Society, 2010, 114 (7), pp.2843-2852. ⟨10.1021/jp9036217⟩
Alloyed ZnxTiyOz nanostructures were prepared by a thermal condensation process employing ethanolic mixtures of zinc acetate dihydrate and titanium alkoxide, without additional use of additives. It has been found that the nanocrystal growth takes pla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab4b331c541cf7f66917b4918761bc0c
https://hal.science/hal-00608833
https://hal.science/hal-00608833