Journal of Materials Chemistry C, Год журнала: 2024, Номер 12(39), С. 15934 - 15945
Опубликована: Янв. 1, 2024
A configuration-dependent strategy significantly boosts the photocatalytic hydrogen production efficiency of hollow core–shell heterostructures through improved light response range, carrier transport, and electron–hole separation rates.
Язык: Английский
Angewandte Chemie, Год журнала: 2024, Номер 136(49)
Опубликована: Авг. 27, 2024
Abstract As organic semiconductor materials gain increasing prominence in the realm of photocatalysis, two carbon‐nitrogen materials, poly (heptazine imide) (PHI) and (triazine (PTI), have garnered extensive attention applications owing to their unique structure properties. This review elaborates on distinctive physical chemical features PHI PTI, emphasizing formation mechanisms ensuing Furthermore, it elucidates intricate correlation between energy band structures various photocatalytic reactions. Additionally, outlines primary synthetic strategies for constructing along with characterization techniques identification. It also summarizes enhancing performance whose advantages are discussed. Finally, highlights promising prospects challenges PTI as photocatalysts.
Язык: Английский
Процитировано
3
International Journal of Hydrogen Energy, Год журнала: 2024, Номер 85, С. 832 - 840
Опубликована: Авг. 28, 2024
Язык: Английский
Процитировано
3
International Journal of Hydrogen Energy, Год журнала: 2024, Номер 95, С. 402 - 416
Опубликована: Ноя. 20, 2024
Язык: Английский
Процитировано
2
Nano Research, Год журнала: 2024, Номер 17(9), С. 8036 - 8044
Опубликована: Июль 18, 2024
Язык: Английский
Процитировано
1
Nanoscale, Год журнала: 2024, Номер 16(35), С. 16376 - 16403
Опубликована: Янв. 1, 2024
The growing global energy demand and heightened environmental consciousness have contributed to the increasing interest in green sources, including hydrogen production.
Язык: Английский
Процитировано
1
Artificial photosynthesis., Год журнала: 2024, Номер 1(1), С. 50 - 62
Опубликована: Сен. 2, 2024
Photocatalytic production of hydrogen (H2) from biomass is a promising avenue for advancing sustainable energy generation. We prepared carbon nitride (CNx) with cobalt (Co) as an oxidation cocatalyst (denoted CNx/Co) to improve photocatalytic H2 through photoreforming components lignocellulosic under visual light irradiation. CNx/Co was synthesized by loading Co onto preformed CNx straightforward thermal deposition. The at 450 °C led the formation mixed valence CoOx, which shifted Co2+ character Co3+ over course evolution reaction (HER). Compared without Co, our materials 0.3 and 0.6 wt % demonstrate twice apparent quantum yield (AQY) irradiation 405 nm using glucose sacrificial electron donor (3.0% 2.8%, respectively, vs 1.4%). Time-resolved spectroscopic investigations indicate that extracts charges in subnanosecond time scale promotes beneficial long-lived charges. Impressively, some activity observed when robust polymers cellulose lignin substrates (0.2 0.1% AQY, respectively). ability oxidize abundant extensive prepreparation waste upcycling applications.
Язык: Английский
Процитировано
1
Langmuir, Год журнала: 2024, Номер 40(45), С. 23729 - 23738
Опубликована: Окт. 29, 2024
Despite their high surface area, remarkable porosity, and efficient charge transfer mechanisms, conductive MOFs have found limited utilization within the domain of photocatalysis. In this study, we synthesized a cutting-edge S-type Ni3(HITP)2/TiO2 heterojunction photocatalyst exhibiting outstanding light harvesting prolonged lifetime photogenerated electrons through an in situ synthesis approach. Compared with TiO2, composite materials not only significantly increase specific area by 4.07 times but also expand visible absorption edge from 400 to 1100 nm. The hydrogen production rate Ti/Ni-3 reached 4.927 mmol·g–1·h–1, which is 4.51 that TiO2. interface pathway material was inferred band structure, XPS, SPV, free radical capture, improves separation extends carrier undergo directional migration driven IEF. This main reason for improved photocatalytic performance materials.
Язык: Английский
Процитировано
1
Small, Год журнала: 2024, Номер 20(47)
Опубликована: Авг. 24, 2024
Abstract The rational design and synthesis of novel semiconductor nano‐/quantum materials have been ambitiously pursued in the field photocatalysis as technology is promising critical for attaining future energy environmental sustainability. Herein, integrity aromatic carbon into graphitic nitride (CN) at same molecular plane with a few 2D layers achieved by using modulated precursors CN, forming regulated ultrathin CN (CUCN) improved charge transfer kinetics photocatalytic hydrogen production. grafted graphite rings adjacent to frameworks induce significant rearrangement relocalization overall framework, form conjugated sp 2 hybridized interfaces internal electric fields that drive separation directional photogenerated electrons from sheets towards intralayer regions, where evolution reaction occurs extensively, yielding largely increased HER rate 2231.8 µmol g −1 h 8.2 times relative well remarkable apparent quantum yield 2.93% under monochromatic light 420 nm. high physicochemical stability low cost CUCN make it potential benchmark photocatalyst can be readily modified via element doping, heterojunction introduction, defect engineering, so on, further enhance its performance.
Язык: Английский
Процитировано
0
Journal of Materials Chemistry C, Год журнала: 2024, Номер 12(39), С. 15934 - 15945
Опубликована: Янв. 1, 2024
A configuration-dependent strategy significantly boosts the photocatalytic hydrogen production efficiency of hollow core–shell heterostructures through improved light response range, carrier transport, and electron–hole separation rates.
Язык: Английский
Процитировано
0