Victor Malgras

6 Questions 29 Answers 0 Followers

Questions related from Victor Malgras

At what temperature can I heat ITO glass before noticing degradation?

I've been looking for this information but didn't find any clear answers. I've been told by many that I should opt for FTO glass for my experiments (thin film deposition) since I need thermal...

01 January 2019 10,019 12 View

Can anyone recommend an appropriate set of functions to fit the attached curve on a Current vs time plots?

I am trying to fit this kind of data plot. So far I came with a mix of 2 stretched exponential and one linear (Fitting1.jpg). But it's not that, as it cannot take the long convex curvature at the...

12 December 2014 6,566 4 View

Is inert atmosphere essential to the fabrication of high efficiency organo-lead halide perovskite solar cells?

Can we break the taboo and state once and for all if the glove box is unavoidable to the synthesis or highly performing perovskite? Which are the sensitive steps, which one can be done on the...

12 December 2014 2,424 2 View

Why would the apparent optical bandgap (1st exciton energy) of quantum dots shift with the sample's concentration?

Before digging too far in this study, I looked for it in the literature and I could not find anything. The case is simple: the first exciton energy of my quantum dots in solution blue shifts when...

06 June 2014 541 9 View

What mechanism dictates transports of excess majority carriers in a pn junction?

I am tracking down the recombination processes of photogenerated charges in typical pn-junction photovoltaic devices. Photogenerated excess minority carriers have to diffuse in the quasi-neutral...

01 January 2014 7,414 17 View

What is the best solvent to dilute high concentrations of lead (II) chloride?

The reaction is moisture sensitive, so no water. Until now I have been using organic solvents like oleylamine and DMF, but the concentration saturates at 0.1mM. Any insights that could push this...

02 February 2013 6,317 11 View