Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Petr Praus"'
Publikováno v:
Ceramics International. 43:13581-13591
The nanocomposites of WO3 nanoparticles and exfoliated graphitized C3N4 (g-C3N4) particles were prepared and their properties were studied. For this purpose, common methods used for characterization of solid samples were completed with dynamic light
Publikováno v:
Journal of Environmental Chemical Engineering. 9:105498
Bare and oxygen doped graphitic carbon nitride were synthetized by the thermal polymerization of melamine (CN-M) and the mechanical mixtures of melamine and cyanuric acid, respectively, at 550 °C for 4 h. The ratios of melamine and cyanuric acid wer
Publikováno v:
Materials Chemistry and Physics. 193:438-446
Graphitic carbon nitride (g-C3N4) was synthetized by condensation of melamine at the temperatures of 400–700 °C in air for 2 h and resulting products were characterized and finally tested for the photocatalytic decomposition of nitrous oxide. The
Autor:
Jaroslav Lang, Martin Reli, Kamila Kočí, Ivana Troppová, Michal Ritz, Ladislav Svoboda, Lenka Matějová, Marcel Šihor, Nela Ambrožová, Piotr Kuśtrowski, Pengwei Huo, Petr Praus
Publikováno v:
The Journal of Physical Chemistry A. 120:8564-8573
TiO2/g-C3N4 photocatalysts with the ratio of TiO2 to g-C3N4 ranging from 0.3/1 to 2/1 were prepared by simple mechanical mixing of pure g-C3N4 and commercial TiO2 Evonik P25. All the nanocomposites were characterized by X-ray powder diffraction, UV
Autor:
Kryštof Foniok, Petr Praus, Martin Kormunda, Vlastimil Matějka, Aneta Smýkalová, Daniel Cvejn, Bedřich Smetana
Publikováno v:
Applied Surface Science. 529:147086
Two types of bulk graphitic carbon nitrides (CN) were synthetized by heating melamine at 550 °C for 4 h in the air (CN/air) and nitrogen (CN/N2) atmosphere for us to find the effect of present oxygen on their properties. Bulk CN was exfoliated by fu
Publikováno v:
Materials Chemistry and Physics. 140:493-498
Silver ions previously intercalated into a montmorillonite (MMT) interlayer were reduced by sodium borohydride forming a nanocomposite of MMT and silver nanoparticles (Ag–MMT) with no other stabilizing additives. Within 360 min no coagulation of an
Publikováno v:
Applied Surface Science. 275:369-373
ZnS nanoparticles stabilized by cetyltrimethylammonium bromide (CTAB) were deposited on montmorillonite (MMT) forming a ZnS–CTA–MMT nanocomposite. The nanocomposite was characterized by scanning electron microscopy (SEM), Fourier transformed infr
Publikováno v:
Applied Clay Science. 49:341-345
Silver nanoparticles were prepared by reduction of silver ions intercalated into montmorillonite (MMT) with borohydride and formaldehyde. They were deposited on the external surface of the MMT particles. Scanning electron microscopy (SEM), transmissi
Publikováno v:
Journal of colloid and interface science. 304(1)
Adsorption of cetyltrimethylammonium (CTA) and cetylpyridinium (CP) onto Na-rich montmorillonite (MMT) was studied. For this purpose, the adsorption isotherms of CTA and CP, along with desorption curves of metal cations (Na+, K+, Ca2+, Mg2+), were ob