scholarly journals Coordination-induced reversible electrical conductivity variation in the MOF-74 analogue Fe2(DSBDC)

2018 ◽  
Vol 47 (34) ◽  
pp. 11739-11743 ◽  
Author(s):  
Lei Sun ◽  
Christopher H. Hendon ◽  
Mircea Dincă
Keyword(s):  
Electrical Conductivity ◽  
Electron Transfer ◽  
Conductivity Variation

DMF coordination to Fe centers induces partial electron transfer and improves electrical conductivity in Fe2(DSBDC) by three orders of magnitude.

Triggering Mechanism for DNA Electrical Conductivity: Reversible Electron Transfer between DNA and Iron Oxide Nanoparticles

2015 ◽  
Vol 25 (12) ◽  
pp. 1822-1831 ◽  
Author(s):  
Massimiliano Magro ◽  
Davide Baratella ◽  
Petr Jakubec ◽  
Giorgio Zoppellaro ◽  
Jiri Tucek ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Electron Transfer ◽  
Iron Oxide ◽  
Iron Oxide Nanoparticles ◽  
Oxide Nanoparticles ◽  
Triggering Mechanism ◽  
Reversible Electron Transfer

Electrical conductivity equations derived with the rate process theory and free volume concept

RSC Advances ◽  
2015 ◽  
Vol 5 (60) ◽  
pp. 48133-48146 ◽  
Author(s):  
Tian Hao
Keyword(s):  
Electrical Conductivity ◽  
Electron Transfer ◽  
Free Volume ◽  
Marcus Theory ◽  
Process Theory ◽  
Rate Process ◽  
Rate Process Theory

Inspired by the Marcus theory of electron transfer, electrical conductivity equations without reference to any specific materials are derived on the basis of Eyring’s rate process theory and the free volume concept.

Investigation of dryland salinity using the electrical image method

Soil Research ◽  
1999 ◽  
Vol 37 (4) ◽  
pp. 623 ◽  
Author(s):  
R. I. Acworth
Keyword(s):  
Electrical Conductivity ◽  
Salt Content ◽  
Image Method ◽  
Dryland Salinity ◽  
Conductivity Variation ◽  
South Wales ◽  
Electrical Imaging ◽  
Profile Line ◽  
Conductivity Anomalies ◽  
A Site

Electrical imaging is a 2-dimensional investigation method that can be used to rapidly determine subsurface conductivity variation. In dryland salinity studies, electrical imaging is used to define the vertical extent of high electrical conductivity zones first identified using electromagnetic (EM) profiling equipment. Field techniques are described using 25 or 50 electrodes, connected to a resistance meter by a multi-core cable, to obtain images at a variety of electrode separations. The model of electrical conductivity variation obtained by an inversion of the field data is shown to agree very well with the results of detailed field investigations, including data from soil sampling, 1 : 5 extract analysis, and borehole electrical conductivity logging. Results are described from the Liverpool Plains at Yarramanbah Creek and Round Island, where a thick sequence of smectite clay overlies sands and gravels. The image clearly identifies zones of high salt content in the clay which have been sampled and logged using borehole measurements of electrical conductivity. Results are also described from a dryland salinity area in the upper part of Dicks Creek catchment on the Southern Tablelands of New South Wales. These data show the extent of clay overlying bedrock and correlate very well with the results of 1 : 5 extract analysis from shallow piezometers along the profile line. Electrical imaging is an appropriate follow-up method for the investigation of electrical conductivity anomalies first identified by EM profiling and is advisable before drilling at a site to optimise the location of piezometers.

Enhancing the photovoltaic performance of dye-sensitized solar cells by modifying TiO2 photoanodes with exfoliated graphene sheets

RSC Advances ◽  
2016 ◽  
Vol 6 (47) ◽  
pp. 41092-41102 ◽  
Author(s):  
Hui Ding ◽  
Sam Zhang ◽  
Pi-Chun Juan ◽  
Ting-Yu Liu ◽  
Zhao-Fu Du ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Electron Transfer ◽  
Photovoltaic Performance ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized Solar Cell ◽  
Graphene Sheets ◽  
Simple Liquid ◽  
Dye Sensitized ◽  
Exfoliated Graphene ◽  
Sensitized Solar Cells

Exfoliated graphene sheets are obtained using a simple liquid phase sonication and used to achieve higher electrical conductivity and faster electron transfer in dye sensitized solar cell photoanode.

scholarly journals Electrospray characteristics of aqueous KCl solutions with various electrical conductivities

2018 ◽  
Author(s):  
Sahand Faraji ◽  
Behnam Sadri ◽  
Babak Vajdi Hokmabad ◽  
Esmaeil Esmaeilzadeh ◽  
Navid Jadidoleslam
Keyword(s):  
Electrical Conductivity ◽  
Experimental Study ◽  
Stainless Steel ◽  
High Voltage ◽  
Room Temperature ◽  
High Voltage Electrode ◽  
Flow Rates ◽  
Conductivity Variation ◽  
Electrical Conductivities ◽  
Stainless Steel Ring

In the present experimental study, the effects of electrical conductivity on electrospraying procedure are investigated.A metallic nozzle with 600 m ID as high voltage electrode and a stainless steel ring as a groundelectrode were employed. Experiments were carried out in still room temperature. Four different aqueous KClsolutions were sprayed in various high voltages and flow rates. Results confirm that spraying modes changeswith conductivity variation. For forming a cone shape, emerging from the nozzle, required applied electric fielddecreases with conductivity increasing. Results also revealed that conductivity of dispersed solution acts a mainrole on forming and elongation of the cones in electrospraying procedure. The size and velocity of emanateddroplets are also investigated in order to gaining some insight to the electrospraying phenomenon.

Continuous Electrical Conductivity Variation in M3(Hexaiminotriphenylene)2 (M = Co, Ni, Cu) MOF Alloys

2020 ◽  
Vol 142 (28) ◽  
pp. 12367-12373 ◽  
Author(s):  
Tianyang Chen ◽  
Jin-Hu Dou ◽  
Luming Yang ◽  
Chenyue Sun ◽  
Nicole J. Libretto ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Conductivity Variation

scholarly journals Electrical conductivity in two mixed-valence liquids

2015 ◽  
Vol 17 (21) ◽  
pp. 14107-14114 ◽  
Author(s):  
Wenzhi Yao ◽  
Steven P. Kelley ◽  
Robin D. Rogers ◽  
Thomas P. Vaid
Keyword(s):  
Electrical Conductivity ◽  
Electron Transfer ◽  
Exchange Rate ◽  
Rate Constants ◽  
Room Temperature ◽  
Mixed Valence ◽  
Electrical Current ◽  
Active Species ◽  
Redox Active

Two mixed-valence room-temperature liquids are reported: BuFc–[BuFc+][NTf2−] (BuFc = n-butylferrocene) and TEMPO–[TEMPO+][NTf2−]. Both are conductors of DC electrical current, and their conductivity is modeled based on the electron-transfer self-exchange rate constants of their constituent redox-active species.

Double exchange and electron hopping in magnetite

1969 ◽  
Vol 47 (21) ◽  
pp. 2309-2317 ◽  
Author(s):  
A. Rosencwaig
Keyword(s):  
Electrical Conductivity ◽  
Electron Transfer ◽  
Conduction Band ◽  
Transfer Process ◽  
Double Exchange ◽  
Real Sample ◽  
Electron Hopping ◽  
Electron Transfer Process ◽  
Octahedral Cation ◽  
Hopping Model

A Zener double-exchange model is formulated for magnetite and is used to describe the electron-hopping process. The main consequence of this model is that the electrons participating in the hopping process in any imperfect or nonstoichiometric (i.e. real) sample of magnetite can be regarded as being essentially localized to hopping within particular (Fe2+–Fe3+) octahedral cation pairs, and not as being in either some form of 3d conduction band or as participating in a nonlocalized electron-transfer process. Well-known results on the electrical conductivity, and new results with the Mossbauer effect in magnetite are then explained in terms of this pair-localized electron-hopping model.

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