in which way the surface recombination contributing in lower electrical conductivity??
i have prepared tio2/reduced graphene oxide composite and i found that the surface area of samples are increasing with addition of rGO. pls someone explain this effect
02 March 2018 9,558 0 View
both quantum dots have the same graphite structure with lattice spacing around 0.34 nm. how can we differentiate?
09 October 2017 6,657 7 View
sol-gel routed TiO2-graphene composites show higher electrical conductivity but it is decreased for higher graphene concentration..why??
31 December 2016 4,266 4 View
I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...
01 August 2024 8,368 2 View
The starting material is a finely ground powder. Some particles contain more graphene than others.
30 July 2024 3,978 2 View
Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...
30 July 2024 906 2 View
Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...
29 July 2024 1,376 0 View
one could use Waxman and Thomas (1974) work?
22 July 2024 6,637 0 View
I'm simulating a magnetohydrodynamic problem of blood flow using lattice Boltzmann method in lattice units and I need to convert the magnetic conductivity to lattice units. The physical value is...
07 July 2024 5,243 0 View
Please, can any one inform us about risks of graphene and graphene oxide as a factor of cancer growth?
28 June 2024 6,815 4 View
Dear all, I want to calculate the phonon dispersion of 4CNR-1-0 (structure is in Fig. 2 (b) in this article Designing coved graphene nanoribbons with charge carrier mob... ) and then calculate...
17 June 2024 6,911 2 View
A magnetic nanocomposite has been synthesized and its electrical conductivity needs to be measured. What analysis and technique can be used to measure the electrical conductivity of this magnetic...
16 June 2024 7,488 3 View
Do we really need a femtosecond laser for Laser-induced graphene(LIG) production on polymers? Other than better resolution and lesser thermal damage is there any other advantages?
13 June 2024 5,294 0 View