Design of nitrogen-doped layered tantalates for non-sacrificial and selective hydrogen evolution from water under visible light

2016 ◽  
Vol 4 (37) ◽  
pp. 14444-14452 ◽  
Author(s):  
Hajime Suzuki ◽  
Osamu Tomita ◽  
Masanobu Higashi ◽  
Ryu Abe
Keyword(s):  
Visible Light ◽  
Hydrogen Evolution ◽  
Nitrogen Doping ◽  
Nitrogen Doped ◽  
Water Reduction

Nitrogen doping into a series of layered tantalates (ALaTa2O7, where A = Li, Na, K, Rb, or Cs) was attempted in order to produce materials capable of catalyzing non-sacrificial and endergonic water reduction under visible light.

Nitrogen-doped LaZrTa3O11 as a visible light-active photocatalyst for water-reduction and -oxidation reactions

2020 ◽  
Vol 7 (14) ◽  
pp. 2669-2675
Author(s):  
Shunhang Wei ◽  
Xiaoxiang Xu
Keyword(s):  
Visible Light ◽  
Absorption Edge ◽  
Nitrogen Doping ◽  
Oxidation Reactions ◽  
Nitrogen Doped ◽  
Water Reduction ◽  
Light Activity ◽  
Visible Light Active ◽  
Reduction And Oxidation

Nitrogen doping red-shifted the absorption edge of LaZrTa3O11 markedly and induced visible-light activity for photocatalytic water-reduction and -oxidation reactions.

scholarly journals Biopolymer-Inspired N-Doped Nanocarbon Using Carbonized Polydopamine: A High-Performance Electrocatalyst for Hydrogen-Evolution Reaction

Polymers ◽  
2020 ◽  
Vol 12 (4) ◽  
pp. 912
Author(s):  
Duong Nguyen Nguyen ◽  
Uk Sim ◽  
Jung Kyu Kim
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
High Performance ◽  
Nitrogen Doping ◽  
Cost Effective ◽  
Excellent Performance ◽  
Carbon Nanosheets ◽  
Nitrogen Doped ◽  
Production Of Hydrogen ◽  
Energy Conversion And Storage

Hydrogen-evolution reaction (HER) is a promising technology for renewable energy conversion and storage. Electrochemical HER can provide a cost-effective method for the clean production of hydrogen. In this study, a biomimetic eco-friendly approach to fabricate nitrogen-doped carbon nanosheets, exhibiting a high HER performance, and using a carbonized polydopamine (C-PDA), is described. As a biopolymer, polydopamine (PDA) exhibits high biocompatibility and can be easily obtained by an environmentally benign green synthesis with dopamine. Inspired by the polymerization of dopamine, we have devised the facile synthesis of nitrogen-doped nanocarbons using a carbonized polydopamine for the HER in acidic media. The N-doped nanocarbons exhibit excellent performance for H2 generation. The required overpotential at 5 mA/cm2 is 130 mV, and the Tafel slope is 45 mV/decade. Experimental characterizations confirm that the excellent performance of the N-doped nanocarbons can be attributed to the multisite nitrogen doping, while theoretical computations indicate the promotion effect of tertiary/aromatic nitrogen doping in enhancing the spin density of the doped samples and consequently in forming highly electroactive sites for HER applications.

Visible-light-driven hydrogen evolution using nitrogen-doped carbon quantum dot-implanted polymer dots as metal-free photocatalysts

2021 ◽  
Vol 283 ◽  
pp. 119659
Author(s):  
Mohamed Hammad Elsayed ◽  
Jayachandran Jayakumar ◽  
Mohamed Abdellah ◽  
Tharwat Hassan Mansoure ◽  
Kaibo Zheng ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Visible Light ◽  
Hydrogen Evolution ◽  
Nitrogen Doped ◽  
Metal Free ◽  
Carbon Quantum Dot ◽  
Polymer Dots ◽  
Visible Light Driven ◽  
Nitrogen Doped Carbon

scholarly journals Development of Visible Light Responsive Nitrogen Doped Photocatalysts (TiO2, Nb2O5) for hydrogen Evolution

2011 ◽  
Vol 33 (12) ◽  
pp. 907-912
Author(s):  
Mi-Jin Choi ◽  
Kyu-Jung Chae ◽  
Hye-Weon Yu ◽  
Kyoung-Yeol Kim ◽  
Am Jang ◽  
...  
Keyword(s):  
Visible Light ◽  
Hydrogen Evolution ◽  
Nitrogen Doped

Plasma-assisted nitrogen doping in Ni–Co–P hollow nanocubes for efficient hydrogen evolution electrocatalysis

Nanoscale ◽  
2020 ◽  
Vol 12 (25) ◽  
pp. 13708-13718
Author(s):  
Qiaomei Luo ◽  
Yiwei Zhao ◽  
Yuyang Qi ◽  
Hongqiang Xin ◽  
Chen Wang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Hydrogen Evolution ◽  
Nitrogen Doping ◽  
Synergistic Effects ◽  
Hollow Structure ◽  
Experimental Results ◽  
Nitrogen Doped ◽  
N Doping

Plasma-assisted nitrogen doped Ni–Co–P hollow nanocubes were fabricated. Both theoretical and experimental results proved the enhancement of catalytic activity for HER, owing to the synergistic effects of versatile hollow structure and N doping.

Nitrogen-doped layered oxide Sr5Ta4O15−xNx for water reduction and oxidation under visible light irradiation

2013 ◽  
Vol 1 (18) ◽  
pp. 5651 ◽  
Author(s):  
Shanshan Chen ◽  
Jingxiu Yang ◽  
Chunmei Ding ◽  
Rengui Li ◽  
Shaoqing Jin ◽  
...  
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Light Irradiation ◽  
Layered Oxide ◽  
Nitrogen Doped ◽  
Water Reduction ◽  
Reduction And Oxidation
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