Constructing an Indirect Z-Scheme C3n5/Bi/Bi2wo6 Heterojunction Using Plasma Bi as an Electronic Bridge for Efficient Degradation of Norfloxacin DOI
Han Zhang, Fanming Meng,

Hainan Wei

и другие.

Опубликована: Янв. 1, 2024

Язык: Английский

Evaluating H2 Production by Ultraviolet-Induced Water Splitting over (Cu or Ni)-TiO2 Nanoparticle Photocatalysts DOI Creative Commons

Meryem Bouchabou,

J. López, M.C. Román-Martı́nez

и другие.

ACS Applied Nano Materials, Год журнала: 2025, Номер 8(17), С. 8646 - 8662

Опубликована: Апрель 17, 2025

This study explores the surface modification of TiO2 P25 with nanosized copper (Cu) or nickel (Ni) for photocatalytic hydrogen production via water splitting. Photocatalysts 1 5 wt % metal loadings were synthesized using a cost-effective impregnation method and tested as-prepared (XM/P25) after thermal reduction under flow (XM/P25-r). Pre-calcination was omitted to simplify synthesis. The characterization photocataysts revealed key physicochemical, optical, electronic properties, including distribution oxidation states species their interaction TiO2. TEM EDS showed well-distributed forming nanometric domains on surface. XPS Auger spectroscopy allowed identification different species. After reduction, Cu0 Ni0 phases coexisted oxidized species, enhancing light absorption reducing electron-hole recombination, confirmed by UV-vis DRS PL, respectively. Cu seemed exhibit stronger than Ni ones. Photochemical results that only thermally reduced photocatalysts led immediate production, highlighting need zero-valent an efficient generation. 5Ni/P25-r 5Cu/P25-r outperformed P25, achieving 331 284 μmol H2·gcat -1·h-1, respectively, compared 261 -1·h-1 P25. Although in terms slightly 5Cu/P25-r, latter demonstrated greater stability, possibly due during tests. As-prepared can be activated extended UV irradiation; instance, 5Cu/P25 starts producing 10 h irradiation as result situ color change photocatalyst.

Язык: Английский

Процитировано

0
Effect of morphology and crystal structure on the photoactivity and stability of nanotubular molybdenum oxides DOI Creative Commons
João Lincho, Paweł Mazierski, Tomasz Klimczuk

и другие.

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 162845 - 162845

Опубликована: Апрель 1, 2025

Язык: Английский

Процитировано

0
Constructing an Indirect Z-Scheme C3n5/Bi/Bi2wo6 Heterojunction Using Plasma Bi as an Electronic Bridge for Efficient Degradation of Norfloxacin DOI
Han Zhang, Fanming Meng,

Hainan Wei

и другие.

Опубликована: Янв. 1, 2024

Язык: Английский

Процитировано

0