Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Helena Drobná"'
Publikováno v:
Frontiers in Chemistry, Vol 11 (2023)
The use of an irradiation source with a homogeneous distribution of irradiation in the volume of the reaction mixture belongs to the essential aspects of heterogeneous photocatalysis. First, the efficacy of six lamps with various radiation intensity
Externí odkaz:
https://doaj.org/article/92b0ada7c5594ad3bd3436d53c8826ba
Autor:
Kamila Kočí, Ivana Troppová, Martin Reli, Lenka Matějová, Miroslava Edelmannová, Helena Drobná, Lada Dubnová, Anna Rokicińska, Piotr Kuśtrowski, Libor Čapek
Publikováno v:
Frontiers in Chemistry, Vol 6 (2018)
Neodymium enriched TiO2 anatase-brookite powders were prepared by unconventional method via using pressurized hot fluids for TiO2 crystallization and purification. The photocatalysts were tested in the CH3OH photocatalytic decomposition and they were
Externí odkaz:
https://doaj.org/article/e863e26c49f544fd8fa3ca598d9db028
Autor:
Helena Drobná, Vendula Meinhardová, Lada Dubnová, Kateřina Kozumplíková, Martin Reli, Kamila Kočí, Libor Čapek
Publikováno v:
Catalysts
Volume 13
Issue 2
Pages: 293
Volume 13
Issue 2
Pages: 293
The study compares the photocatalytic behavior of TiO2, NiO-TiO2, and Ni-NiO-TiO2 photocatalysts in photocatalytic hydrogen production from methanol–water solution. TiO2 and NiO-TiO2 photocatalysts with theoretical NiO loading of 0.5, 1.0, and 3.0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fdb745c3470f49aeadcbbf156da7b9da
https://doi.org/10.3390/catal13020293
https://doi.org/10.3390/catal13020293
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 137:1911-1918
Barium phosphate glasses of the composition (100 − x)Ba(PO3)2–xWO3 with 0–60 mol% WO3 were prepared and studied. Thermal studies of the glasses were carried out with DTA, dilatometry and hot-stage microscopy. Glass transition temperature in thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c884fe547bf6606a6ba53790eeb3b3c6
https://doi.org/10.1007/s10973-019-08115-w
https://doi.org/10.1007/s10973-019-08115-w
Autor:
Anna Rokicińska, Miroslava Edelmannová, Dana Dvoranová, Libor Čapek, Martin Reli, Piotr Kuśtrowski, Ivana Troppová, Kamila Kočí, Helena Drobná
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 366:55-64
Nd modified TiO2 photocatalysts containing 0.15–1.5 wt.% of Nd (wt.% Nd determined by XRF) as well as parent TiO2 were investigated for the photocatalytic oxidation of CH3OH. The photocatalysts were prepared by the common sol-gel method followed by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a2694a6fb52990d015aecbfddc5517d
https://doi.org/10.1016/j.jphotochem.2018.03.007
https://doi.org/10.1016/j.jphotochem.2018.03.007
Autor:
Alfonso Caballero, Victor M. Gonzalez-delaCruz, Helena Drobná, Agnieszka Sołtysek, Libor Čapek, Martin Kout
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
instname
The presented investigation is focused on the analysis of Ni species formed on microporous (zeolites MFI and FAU) and mesoporous materials (Al-MCM-41 and SBA-15) and alumina supports and their catalytic behavior in the dry reforming of methane. The p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be20461ffb4b335f7cc624d05389c92a
https://doi.org/10.1007/s11144-017-1149-3
https://doi.org/10.1007/s11144-017-1149-3
Autor:
Helena Drobná, Kamila Kočí, Piotr Kuśtrowski, Libor Čapek, Lenka Matějová, Lada Dubnová, Magdalena Zvolská, Miroslava Edelmannová, Martin Reli
Manuscript focuses on the role of N-doping on photocatalytic behaviour of N-La/TiO2 materials in decomposition of methanol-water solution. N-La/TiO2 materials were prepared with approximately the same amounts of La (0.14-0.16 wt%) and different amoun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::105ed070236eaa6488ae830f5269a747
https://hdl.handle.net/10195/74905
https://hdl.handle.net/10195/74905
Publikováno v:
Starch - Stärke. 73:2100051
Hydrogels based on a graft copolymer of acrylic acid (AA) and acrylamide (AAm) on a backbone of starch, obtained from different natural sources, have been prepared and characterized for potential agricultural use, as soil moisture regulators and nutr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b18cce5ee86754db066fca9806ab323
https://doi.org/10.1002/star.202100051
https://doi.org/10.1002/star.202100051
Autor:
Piotr Kuśtrowski, Anna Rokicińska, Martin Reli, Kamila Kočí, Libor Čapek, Lenka Matějová, Miroslava Edelmannová, Ivana Troppová, Helena Drobná, Lada Dubnová
Publikováno v:
Frontiers in Chemistry, Vol 6 (2018)
Frontiers in Chemistry
Frontiers in Chemistry
Neodymium enriched TiO2 anatase-brookite powders were prepared by unconventional method via using pressurized hot fluids for TiO2 crystallization and purification. The photocatalysts were tested in the CH3OH photocatalytic decomposition and they were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bfd1ac5efdee5e37078d0ba1dff6f0e5
http://journal.frontiersin.org/article/10.3389/fchem.2018.00044/full
http://journal.frontiersin.org/article/10.3389/fchem.2018.00044/full
Autor:
Helena Drobná, Ota Bludský, Petr Nachtigall, and Dana Nachtigallová, Karel Frolich, Roman Bulánek
Publikováno v:
The Journal of Physical Chemistry C. 111:11353-11362
The interaction of CO with extraframework Li+ ions coordinated in ZSM-5 and FER zeolites with different compositions is investigated by FTIR spectroscopy, and the correlation between Li+ coordination, stability of CO adsorption complexes, and νCO fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8ad4ac59bf83a2fedee0d59791953cc
https://doi.org/10.1021/jp0716785
https://doi.org/10.1021/jp0716785