Partially Reduced Ni-NiO-TiO2 Photocatalysts for Hydrogen Production from Methanol-Water Solution

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F23%3A39920254" target="_blank" >RIV/00216275:25310/23:39920254 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61989100:27710/23:10252388

Výsledek na webu

<a href="https://www.mdpi.com/2073-4344/13/2/293" target="_blank" >https://www.mdpi.com/2073-4344/13/2/293</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/catal13020293" target="_blank" >10.3390/catal13020293</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Partially Reduced Ni-NiO-TiO2 Photocatalysts for Hydrogen Production from Methanol-Water Solution

Popis výsledku v původním jazyce

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 wt. % of NiO were prepared by the sol-gel method. The Ni-NiO-TiO2 photocatalysts were prepared by partial reduction of NiO-TiO2 in hydrogen at 450 degrees C. The Ni-NiO-TiO2 photocatalysts showed significantly higher hydrogen production than the NiO-TiO2 photocatalysts. The structural, textural, redox, and optical properties of all of the prepared photocatalysts were studied by using XRD, SEM, N-2- adsorption, XPS, H-2-TPR, and DRS. Attention is focused on the contribution of Ni loading, the surface composition (Ni2+, the lattice O2- species, and OH groups), the distribution of Ni species (dispersed NiO species, crystalline NiO phase, and the metallic Ni-0 species), oxygen vacancies, TiO2 modification, the TiO2 crystallite size, and the specific surface area.

Název v anglickém jazyce

Partially Reduced Ni-NiO-TiO2 Photocatalysts for Hydrogen Production from Methanol-Water Solution

Popis výsledku anglicky

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 wt. % of NiO were prepared by the sol-gel method. The Ni-NiO-TiO2 photocatalysts were prepared by partial reduction of NiO-TiO2 in hydrogen at 450 degrees C. The Ni-NiO-TiO2 photocatalysts showed significantly higher hydrogen production than the NiO-TiO2 photocatalysts. The structural, textural, redox, and optical properties of all of the prepared photocatalysts were studied by using XRD, SEM, N-2- adsorption, XPS, H-2-TPR, and DRS. Attention is focused on the contribution of Ni loading, the surface composition (Ni2+, the lattice O2- species, and OH groups), the distribution of Ni species (dispersed NiO species, crystalline NiO phase, and the metallic Ni-0 species), oxygen vacancies, TiO2 modification, the TiO2 crystallite size, and the specific surface area.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10403 - Physical chemistry

Projekt

<a href="/cs/project/GA20-09914S" target="_blank" >GA20-09914S: Fotokatalyzátory s heteropřechodem a fotokatalyzátory TiO2 současně dopované kovy a nekovy pro environmentální fotokatalytické reakce</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2023

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Catalysts

ISSN

2073-4344

e-ISSN

2073-4344

Svazek periodika

13

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

15

Strana od-do

"293-1"-"293-15"

Kód UT WoS článku

000938324100001

EID výsledku v databázi Scopus

2-s2.0-85148898770