Oxygen vacancy induces self-doping effect and metalloid LSPR in non-stoichiometric tungsten suboxide synergistically contributing to the enhanced photoelectrocatalytic performance of WO3−x/TiO2−x heterojunction

2018 ◽  
Vol 20 (25) ◽  
pp. 17268-17278 ◽  
Author(s):  
Weicheng Huang ◽  
Jinxin Wang ◽  
Lang Bian ◽  
Chaoyue Zhao ◽  
Danqing Liu ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Synergistic Effect ◽  
Band Gap ◽  
Doping Effect ◽  
Band Gap Narrowing

An oxygen-defective heterojunction was made to support the synergistic effect of band-gap narrowing and LSPR-enhanced photoelectrocatalysis.

Novel N-Black In2O3-x/InVO4 heterojunction for efficient photocatalytic fixation: Synergistic effect of exposed (321) facet and oxygen vacancy

2021 ◽  
Author(s):  
Jin Ye ◽  
Jiating Xu ◽  
Chunsheng Li ◽  
Di Tian ◽  
Xiaohan Zhao ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Synergistic Effect ◽  
Band Gap ◽  
Recombination Rate ◽  
Wide Band ◽  
Great Promise ◽  
Wide Band Gap ◽  
High Recombination Rate ◽  
Energy Shortage

Utilizing semiconductors to catalyze N2 into NH3 has brought great promise in alleviating the issue of energy shortage. However, the wide band gap and high recombination rate of photogenerated (e-/h+)...

Oxygen vacancy induced band gap narrowing of ZnO nanostructures by an electrochemically active biofilm

Nanoscale ◽  
2013 ◽  
Vol 5 (19) ◽  
pp. 9238 ◽  
Author(s):  
Sajid Ali Ansari ◽  
Mohammad Mansoob Khan ◽  
Shafeer Kalathil ◽  
Ambreen Nisar ◽  
Jintae Lee ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Band Gap ◽  
Zno Nanostructures ◽  
Electrochemically Active ◽  
Electrochemically Active Biofilm ◽  
Band Gap Narrowing

Oxygen Vacancy Induced Band-Gap Narrowing and Enhanced Visible Light Photocatalytic Activity of ZnO

2012 ◽  
Vol 4 (8) ◽  
pp. 4024-4030 ◽  
Author(s):  
Junpeng Wang ◽  
Zeyan Wang ◽  
Baibiao Huang ◽  
Yandong Ma ◽  
Yuanyuan Liu ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Oxygen Vacancy ◽  
Visible Light ◽  
Band Gap ◽  
Visible Light Photocatalytic Activity ◽  
Band Gap Narrowing ◽  
Visible Light Photocatalytic

scholarly journals Improving the ZT of SnTe using electronic structure engineering: unusual behavior of Bi dopant in the presence of Pb as a co-dopant

2021 ◽  
Vol 2 (19) ◽  
pp. 6267-6271 ◽  
Author(s):  
U. Sandhya Shenoy ◽  
D. Krishna Bhat
Keyword(s):  
Electronic Structure ◽  
Synergistic Effect ◽  
Band Gap ◽  
Resonance Level ◽  
Unusual Behavior ◽  
Level Increase ◽  
Structure Engineering

Extraordinary tuning of electronic structure of SnTe by Bi in the presence of Pb as a co-adjuvant dopant. Synergistic effect of resonance level, increase in the band gap, valence and conduction sub-bands convergence leads to enhanced TE performance.

Electronic structure engineering of tin telluride through co-doping of bismuth and indium for high performance thermoelectrics: a synergistic effect leading to a record high room temperature ZT in tin telluride

2019 ◽  
Vol 7 (16) ◽  
pp. 4817-4821 ◽  
Author(s):  
U. Sandhya Shenoy ◽  
D. Krishna Bhat
Keyword(s):  
Electronic Structure ◽  
Synergistic Effect ◽  
Band Gap ◽  
High Performance ◽  
Room Temperature ◽  
Band Offset ◽  
Valence Band Offset ◽  
Co Doping ◽  
Tin Telluride ◽  
Structure Engineering

Resonance states due to Bi and In co-doping, band gap enlargement, and a reduced valence-band offset in SnTe lead to a record high room-temperature ZT.

Tuning the electronic and structural properties of WO3 nanocrystals by varying transition metal tungstate precursors

RSC Advances ◽  
2014 ◽  
Vol 4 (107) ◽  
pp. 62423-62429 ◽  
Author(s):  
Sara Rahimnejad ◽  
Jing Hui He ◽  
Wei Chen ◽  
Kai Wu ◽  
Guo Qin Xu
Keyword(s):  
Methylene Blue ◽  
Transition Metal ◽  
Oxygen Vacancy ◽  
Band Gap ◽  
Azo Dye ◽  
Electron Hole ◽  
Recombination Time ◽  
Metal Tungstate ◽  
Electronic And Structural Properties ◽  
Hole Recombination

WO3 nanoplates derived from NiWO4 were found to have the highest concentration of oxygen vacancy, narrowest band gap, longest electron–hole recombination time, and in turn the highest rate of photodegradation of azo dye methylene blue.

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