One-step calcination synthesis of WC-Mo2C heterojunction nanoparticles as novel H2-production cocatalysts for enhanced photocatalytic activity of TiO2

2021 ◽  
Author(s):  
Lulu Gao ◽  
Jinfeng Liu ◽  
Haoyu Long ◽  
Ping Wang ◽  
Huogen Yu
Keyword(s):  
Thermal Stability ◽  
Photocatalytic Activity ◽  
Molybdenum Carbide ◽  
High Efficiency ◽  
H2 Production ◽  
High Thermal Stability ◽  
Adsorption Potential ◽  
H2 Generation ◽  
One Step ◽  
Photocatalytic H2 Generation

Hexagonal molybdenum carbide (Mo2C) as a high-efficiency non-noble cocatalyst has been widely applied in the photocatalytic H2-generation area due to its platinum-like H+-adsorption potential, high thermal stability, and excellent electrochemistry...

scholarly journals Synthesis of Si, N co-Doped Nano-Sized TiO2 with High Thermal Stability and Photocatalytic Activity by Mechanochemical Method

Nanomaterials ◽  
2018 ◽  
Vol 8 (5) ◽  
pp. 294 ◽  
Author(s):  
Peisan Wang ◽  
Chunxia Qi ◽  
Pengchao Wen ◽  
Luyuan Hao ◽  
Xin Xu ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Photocatalytic Activity ◽  
High Thermal Stability ◽  
Mechanochemical Method ◽  
Co Doped

One-step purification of a recombinant beta-galactosidase using magnetic cellulose as a support: Rapid immobilization and high thermal stability

2021 ◽  
pp. 126497
Author(s):  
Adriano Gennari ◽  
Renate Simon ◽  
Nathalia Denise de Moura Sperotto ◽  
Cristiano Valim Bizarro ◽  
Luiz Augusto Basso ◽  
...  
Keyword(s):  
Thermal Stability ◽  
High Thermal Stability ◽  
One Step ◽  
Beta Galactosidase

scholarly journals High-performance La-doped BCZT thin film capacitors on LaNiO3/Pt composite bottom electrodes with ultra-high efficiency and high thermal stability

2019 ◽  
Vol 45 (9) ◽  
pp. 11749-11755 ◽  
Author(s):  
Shangkai He ◽  
Biaolin Peng ◽  
Glenn J.T. Leighton ◽  
Christopher Shaw ◽  
Ningzhang Wang ◽  
...  
Keyword(s):  
Thin Film ◽  
Thermal Stability ◽  
High Performance ◽  
High Efficiency ◽  
High Thermal Stability ◽  
Thin Film Capacitors ◽  
La Doped

scholarly journals Enhanced Photocatalytic Hydrogen Production of the Polyoxoniobate Modified with RGO and PPy

Nanomaterials ◽  
2020 ◽  
Vol 10 (12) ◽  
pp. 2449
Author(s):  
Shiliang Heng ◽  
Lei Li ◽  
Weiwei Li ◽  
Haiyan Li ◽  
Jingyu Pang ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Active Sites ◽  
High Efficiency ◽  
Solvothermal Method ◽  
H2 Production ◽  
H2 Evolution ◽  
Co Catalyst ◽  
Photocatalytic Hydrogen Production ◽  
Reduced Graphene ◽  
One Step

The development of high-efficiency, recyclable, and inexpensive photocatalysts for water splitting for hydrogen production is of great significance to the application of solar energy. Herein, a series of graphene-decorated polyoxoniobate photocatalysts Nb6/PPy-RGO (Nb6 = K7HNb6O19, RGO = reduced graphene oxide, PPy = polypyrrole), with the bridging effect of polypyrrole were prepared through a simple one-step solvothermal method, which is the first example of polyoxoniobate-graphene-based nanocomposites. The as-fabricated photocatalyst showed a photocatalytic H2 evolution activity without any co-catalyst. The rate of 1038 µmol g−1 in 5 h under optimal condition is almost 43 times higher than that of pure K7HNb6O19·13H2O. The influencing factors for photocatalysts in photocatalytic hydrogen production under simulated sunlight were studied in detail and the feasible mechanism is presented in this paper. These results demonstrate that Nb6O19 acts as the main catalyst and electron donor, RGO provides active sites, and PPy acted as an electronic bridge to extend the lifetime of photo-generated carriers, which are crucial factors for photocatalytic H2 production.

Porous direct Z-scheme heterostructures of S-deficient CoS/CdS hexagonal nanoplates for robust photocatalytic H2 generation

CrystEngComm ◽  
2021 ◽  
Author(s):  
Zhihui Li ◽  
Hanchu Chen ◽  
Yanyan Li ◽  
Hui Wang ◽  
Yanru Liu ◽  
...  
Keyword(s):  
Water Splitting ◽  
H2 Production ◽  
Solar Fuels ◽  
Photocatalytic Water Splitting ◽  
H2 Generation ◽  
Earth Abundant ◽  
Semiconductor Heterojunctions ◽  
Photocatalytic H2 Generation ◽  
Hexagonal Nanoplates

Photocatalytic water-splitting with Z-scheme semiconductor heterojunctions is a promising way to achieve renewable solar fuels. Nevertheless, developing earth-abundant direct Z-scheme photocatalytic systems for efficient H2 production is still under-developed. In...

Anchoring Zn0.5Cd0.5S solid solution onto 2D porous Co-CoO nanosheets for highly improved photocatalytic H2 generation

2021 ◽  
Author(s):  
Xueyou Gao ◽  
Deqian Zeng ◽  
Qingru Zeng ◽  
Zongzhuo Xie ◽  
Toyohisha Fujita ◽  
...  
Keyword(s):  
Solid Solution ◽  
Water Splitting ◽  
Noble Metal ◽  
H2 Production ◽  
Two Dimensional ◽  
Photocatalytic Water Splitting ◽  
H2 Generation ◽  
Photocatalytic H2 Generation

Co-based cocatalysts have attracted considerable attention as potential alternatives for the noble-metal (Pt) in photocatalytic water splitting. However, the two-dimensional (2D) porous-structured Co-based cocatalysts toward photocatalytic hydrogen (H2) production application...

High-efficiency photocatalytic activity of type II SnO/Sn3O4 heterostructures via interfacial charge transfer

CrystEngComm ◽  
2014 ◽  
Vol 16 (30) ◽  
pp. 6841-6847 ◽  
Author(s):  
Weiwei Xia ◽  
Haibo Wang ◽  
Xianghua Zeng ◽  
Jie Han ◽  
Jun Zhu ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Charge Transfer ◽  
Large Scale ◽  
High Efficiency ◽  
Hollow Microspheres ◽  
Type Ii ◽  
Hydrothermal Route ◽  
Interfacial Charge Transfer ◽  
One Step ◽  
Interfacial Charge

Flower-like hollow microspheres were synthesized on a large scale using a one-step hydrothermal route.

Hierarchical SrTiO3/TiO2 nanofibers heterostructures with high efficiency in photocatalytic H2 generation

2012 ◽  
Vol 125 ◽  
pp. 367-374 ◽  
Author(s):  
Hongwei Bai ◽  
Jermyn Juay ◽  
Zhaoyang Liu ◽  
Xiaoxiao Song ◽  
Siew Siang Lee ◽  
...  
Keyword(s):  
High Efficiency ◽  
Tio2 Nanofibers ◽  
H2 Generation ◽  
Photocatalytic H2 Generation

scholarly journals Photocatalytic Hydrogen Evolution via Water Splitting: A Short Review

Catalysts ◽  
2018 ◽  
Vol 8 (12) ◽  
pp. 655 ◽  
Author(s):  
Yifan Zhang ◽  
Young-Jung Heo ◽  
Ji-Won Lee ◽  
Jong-Hoon Lee ◽  
Johny BajGai ◽  
...  
Keyword(s):  
Electrical Properties ◽  
Solar Energy ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Future Development ◽  
Rational Design ◽  
Short Review ◽  
H2 Production ◽  
H2 Generation ◽  
Photocatalytic H2 Generation

Photocatalytic H2 generation via water splitting is increasingly gaining attention as a viable alternative for improving the performance of H2 production for solar energy conversion. Many methods were developed to enhance photocatalyst efficiency, primarily by modifying its morphology, crystallization, and electrical properties. Here, we summarize recent achievements in the synthesis and application of various photocatalysts. The rational design of novel photocatalysts was achieved using various strategies, and the applications of novel materials for H2 production are displayed herein. Meanwhile, the challenges and prospects for the future development of H2-producing photocatalysts are also summarized.

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