Hybrid Graphene/Titania Nanocomposite: Interface Charge Transfer, Hole Doping, and Sensitization for Visible Light Response

2011 ◽  
Vol 2 (8) ◽  
pp. 894-899 ◽  
Author(s):  
Aijun Du ◽  
Yun Hau Ng ◽  
Nicholas J. Bell ◽  
Zhonghua Zhu ◽  
Rose Amal ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Visible Light ◽  
Light Response ◽  
Hole Doping ◽  
Interface Charge ◽  
Visible Light Response ◽  
Interface Charge Transfer

Interfacial charge-transfer transitions in a TiO2-benzenedithiol complex with Ti–S–C linkages

2015 ◽  
Vol 17 (44) ◽  
pp. 29867-29873 ◽  
Author(s):  
Jun-ichi Fujisawa ◽  
Ryuki Muroga ◽  
Minoru Hanaya
Keyword(s):  
Charge Transfer ◽  
Visible Light ◽  
Room Temperature ◽  
Light Response ◽  
Interfacial Charge Transfer ◽  
Visible Light Response ◽  
Charge Transfer Transitions ◽  
Interfacial Charge

A visible light response of TiO2 due to interfacial charge-transfer transitions was obtained by the addition of benzenedithiol at room temperature.

scholarly journals Hydrogen Production Improvement on Water Decomposition Through Internal Interfacial Charge Transfer in M3(PO4)2-M2P2O7 Mixed-Phase Catalyst (M = Co, Ni, and Cu)

Catalysts ◽  
2019 ◽  
Vol 9 (7) ◽  
pp. 602
Author(s):  
Junyeong Kim ◽  
Jun Neoung Heo ◽  
Jeong Yeon Do ◽  
Seog Joon Yoon ◽  
Youngsoo Kim ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Visible Light ◽  
Water Splitting ◽  
Hydrogen Generation ◽  
Light Response ◽  
Mixed Phase ◽  
Interface Charge ◽  
Production Improvement ◽  
Active Metal ◽  
Two Phases

In this study, three types of Nasicon-type materials, Co3(PO4)2-CO2P2O7, Ni3(PO4)2-Ni2P2O7, and Cu3(PO4)2-Cu2P2O7, were synthesized as mixed-phase catalysts (MPCs) for evaluating their potential as new photocatalytic candidates (called Co3(PO4)2-CO2P2O7mpc, Ni3(PO4)2-Ni2P2O7mpc, and Cu3(PO4)2-Cu2P2O7mpc herein). Based on various physical properties, it was confirmed that there are two phases, M3(PO4)2 and M2P2O7, in which a similar phase equilibrium energy coexists. These colored powders showed UV and visible light responses suitable to our aim of developing 365-nm light-response photocatalysts for overall water-splitting. The photocatalytic performance of Ni2(PO4)3-Ni2P2O7 MPC showed negligible or no activity toward H2 evolution. However, Co2(PO4)3-Co2P2O7 MPC and Cu3(PO4)2-Cu2P2O7 MPC were determined as interesting materials because of their ability to absorb visible light within a suitable band. Moreover, an internal interface charge transfer was suggested to occur that would lower the recombination rate of electrons and holes. For Cu3(PO4)2-Cu2P2O7 MPC, the charge separation between the electron and hole was advantageously achieved, a water-splitting reaction was promoted, and hydrogen generation was considerably increased. The performance of a catalyst depended on the nature of the active metal added. In addition, the performance of the catalyst was improved when electrons migrated between the inter-phases despite the lack of a heterojunction with other crystals.

2D/2D Mt/m-CN composite with enriched interface charge transfer for boosting photocatalytic CO2 hydrogenation by H2 to CH4 under visible light

2020 ◽  
Vol 520 ◽  
pp. 146296 ◽  
Author(s):  
Beenish Tahir ◽  
Muhammad Tahir ◽  
Mohd Azizi Che Yunus ◽  
Abdul Rahman Mohamed ◽  
Mohammad Siraj ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Visible Light ◽  
Co2 Hydrogenation ◽  
Interface Charge ◽  
Interface Charge Transfer

Solution Processed Sb2S3-based Photocathode with Enhanced Photocatalytic Performance via Constructing Ultrathin TiO2 Overlayer and Noble Metal Modification

2021 ◽  
Author(s):  
Yanwen Wang ◽  
Rong Liang ◽  
Chao Qin ◽  
Lei Ren ◽  
Zhizhen Ye ◽  
...  
Keyword(s):  
Visible Light ◽  
Noble Metal ◽  
Photocatalytic Performance ◽  
Low Cost ◽  
Light Response ◽  
Solution Processed ◽  
Antimony Sulfide ◽  
Visible Light Response ◽  
Absorbing Material

Antimony sulfide (Sb2S3) is a light absorbing material with strong visible light response, which is suitable for efficient and low-cost photoelectrodes. Nano-structured films have unique advantages in constructing photoelectrodes due...

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