11 Questions 23 Answers 0 Followers
Questions related from Mikhail Pylnev
Hello everyone, When you deposit Pb- perovskite layer in a glove box, what is the SOP of operating the glove box? 1) What is the pressure before and during deposition(over 1 atm or below?) 2)...
02 July 2023 5,129 1 View
We put titanium dissopropoxide bis (acetylacetonate) in a freezing section for 1 day. Now the chemical is crystallized and segregated with the solvent. It won't go to a mixed state by itself. What...
15 April 2022 5,656 2 View
I need to put 2 pieces of glass together and seal them with epoxy. I make one piece smaller and deposit Uv curable epoxy to the edges of the smaller glass piece. However, no matter how high...
06 January 2022 325 2 View
What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...
22 February 2021 2,067 4 View
We prepare TiO2 samples using Titanium Isopropoxide, Ethanol, and Glacial Acid; We increase the amount of ethanol to decrease the thickness of the layer. However, the layers with thicknesses...
31 August 2020 4,188 13 View
why images in scanning electron microscope(sem) got bright stripes? an image is attached. it does not look like a material related contrast(polymers). it does not disappear with current, voltage...
03 January 2020 2,525 4 View
I need to measure the optical absorption of a thin film( ~500 nm). Attached are T% and R% spectra. I may use either Beer–Lambert law to calculate A% using R% data or Kubelka-Munk function using...
15 September 2016 7,539 11 View
We use RF-generator PFG600-RF[Trumpf] for depositing thin films in our3-target magnetron sputtering system. It works perfectly fine for conductivetargets and it is very easy to eliminate REFP...
06 April 2016 1,570 25 View
In this paper (DOI: 10.1002/anie.200704788 ), the authors impregnated rutile TiO2 particles with a solution of titanium tetraisopropoxide in 2-propanol (the weight ratio of anatase phase to rutile...
21 February 2015 627 2 View
Could you provide a paper in which the concentration of Ti3+ states that are presumably responsible for the shift to the visible region, is quantified?
26 December 2014 2,911 5 View
I encountered with this many times. For example, in "Journal of Hazardous Materials 168 (2009) 253–261" the authors obtained N-doped TiO2 using different precursors. Actually, the preparation...
21 December 2014 7,811 2 View
