Molecular density regulating electron transfer efficiency of S. oneidensis MR-1 mediated roxarsone biotransformation

2020 ◽  
Vol 262 ◽  
pp. 114370 ◽  
Author(s):  
Gang Wang ◽  
Neng Han ◽  
Li Liu ◽  
Zhengchen Ke ◽  
Baoguo Li ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Transfer Efficiency ◽  
Molecular Density

scholarly journals Effect of Geobacter metallireducens nanowire on electron transfer efficiency in MFC

2021 ◽  
Author(s):  
Shunliang Liu ◽  
feng ya li ◽  
li hao ran
Keyword(s):  
Electron Transfer ◽  
Electrochemical Measurement ◽  
Inhibitory Effect ◽  
Transfer Efficiency ◽  
Maximum Output ◽  
Current Response ◽  
Electron Mediator ◽  
Geobacter Metallireducens ◽  
Culture Process ◽  
Double Chamber

Inhibitory effect of electron mediator AQDS on Geobacter metallireducens nanowire in microbial fuel cell (MFC) was studied. In the culture process of G. metallireducens with Fe(OH)3 as electron acceptor, the concentration of reduction product Fe (II) in solution without AQDS is higher than that with AQDS after 10 days, due to the formation of microbial nanowires. The effects of nanowire on electron transfer efficiency and power generation characteristic were studied using double chamber MFC reactor. The transfer efficiency between biofilm and electrodes was increased by nanowire, which increases maximum output voltage of MFC from 321 mV to 442 mV. The nanowire biofilm electrode has the bigger cyclic voltammetry curve peak, smaller activation resistance and stronger current response signal through electrochemical measurement, which indicated that the nanowire enhanced the electrochemical activity of the electrode.

Photocatalytic activity of TiO2-WO3 mixed oxides in relation to electron transfer efficiency

2016 ◽  
Vol 186 ◽  
pp. 157-165 ◽  
Author(s):  
Maria Vittoria Dozzi ◽  
Stefania Marzorati ◽  
Mariangela Longhi ◽  
Mauro Coduri ◽  
Luca Artiglia ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Photocatalytic Activity ◽  
Mixed Oxides ◽  
Transfer Efficiency

scholarly journals A molecular density functional theory approach to electron transfer reactions

2019 ◽  
Vol 10 (7) ◽  
pp. 2130-2143 ◽  
Author(s):  
Guillaume Jeanmairet ◽  
Benjamin Rotenberg ◽  
Maximilien Levesque ◽  
Daniel Borgis ◽  
Mathieu Salanne
Keyword(s):  
Density Functional Theory ◽  
Electron Transfer ◽  
Density Functional ◽  
Transfer Reactions ◽  
Interfacial Water ◽  
Theory Approach ◽  
Computational Tool ◽  
Functional Theory ◽  
Electron Transfer Reactions ◽  
Molecular Density

Molecular density functional theory, an efficient computational tool, provides new insights into the study of electron transfer reactions in bulk and interfacial water.

scholarly journals Photocatalytic H2 Evolution on TiO2 Assembled with Ti3C2 MXene and Metallic 1T-WS2 as Co-catalysts

2019 ◽  
Vol 12 (1) ◽  
Author(s):  
Yujie Li ◽  
Lei Ding ◽  
Shujun Yin ◽  
Zhangqian Liang ◽  
Yanjun Xue ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Surface Area ◽  
Active Site ◽  
Tungsten Disulfide ◽  
Transfer Efficiency ◽  
H2 Evolution ◽  
Co Catalysts ◽  
Efficient Separation ◽  
Photocatalytic H2 Evolution

AbstractThe biggest challenging issue in photocatalysis is efficient separation of the photoinduced carriers and the aggregation of photoexcited electrons on photocatalyst’s surface. In this paper, we report that double metallic co-catalysts Ti3C2 MXene and metallic octahedral (1T) phase tungsten disulfide (WS2) act pathways transferring photoexcited electrons in assisting the photocatalytic H2 evolution. TiO2 nanosheets were in situ grown on highly conductive Ti3C2 MXenes and 1T-WS2 nanoparticles were then uniformly distributed on TiO2@Ti3C2 composite. Thus, a distinctive 1T-WS2@TiO2@Ti3C2 composite with double metallic co-catalysts was achieved, and the content of 1T phase reaches 73%. The photocatalytic H2 evolution performance of 1T-WS2@TiO2@Ti3C2 composite with an optimized 15 wt% WS2 ratio is nearly 50 times higher than that of TiO2 nanosheets because of conductive Ti3C2 MXene and 1T-WS2 resulting in the increase of electron transfer efficiency. Besides, the 1T-WS2 on the surface of TiO2@Ti3C2 composite enhances the Brunauer–Emmett–Teller surface area and boosts the density of active site.

scholarly journals A comparative investigation on the effects of nitrogen-doping into graphene on enhancing the electrochemical performance of SnO2/graphene for sodium-ion batteries

Nanoscale ◽  
2015 ◽  
Vol 7 (7) ◽  
pp. 3164-3172 ◽  
Author(s):  
Xiuqiang Xie ◽  
Dawei Su ◽  
Jinqiang Zhang ◽  
Shuangqiang Chen ◽  
Anjon Kumar Mondal ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Electrochemical Performance ◽  
Nitrogen Doping ◽  
Dominant Role ◽  
Comparative Investigation ◽  
Sodium Ion ◽  
Transfer Efficiency ◽  
Sodium Ion Batteries ◽  
Doped Graphene

Enhanced electron transfer efficiency plays a dominant role for improving the performance of SnO2/N-doped graphene for sodium-ion batteries.

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