16 Questions 11 Answers 0 Followers
Questions related from Saurabh Gupta
How can we compare Polyethylene and other Polyolefins (POEs) for calculating the degree of crystallinity of POEs, and what is the reason behind it? How does crystallization happen in these...
04 June 2025 7,117 6 View
This is concluded by n = c/v.
20 March 2025 2,246 2 View
Particularly, can we have an elastomer material with high transmission for the encapsulation of silicon solar cells so that the refractive index is found between glass(1.5) and silicon (3.9)for...
07 January 2025 7,748 4 View
I want to calculate mass densities step by step of amorphous thin films of Al2O3 and SnO2 while having critical angle information from X-ray reflectivity analysis. So, how to calculate from...
19 December 2024 491 2 View
I am studying polyolefins vs EVA elastomers, so I want to know a quantitative value of the standard range for elastic modulus needed while using these elastomers as encapsulants in photovoltaics.
09 July 2024 7,322 2 View
I do not want to deposit ALD-metal oxides on the metal-electrode portion of a lab-scale organic/perovskite solar cell. Like suggest few easily available hindering agents that can cover that...
05 July 2024 1,920 1 View
While Al2O3 has 3 gm/cc and Tin oxide has 7 gm/cc measured on as low as 8nm films on same substrate, so how a rarer material can provide seeding to a denser material? As it seems that in rarer...
31 March 2024 9,341 1 View
Like I want to calculate electron density, mobility and conductivity in n-type Tin oxide knowing the value of x in tin oxide chemical formula SnO(2-x), where Sn:O = 1:(2-x).
05 January 2024 8,311 1 View
figure of wire is attached, holes may be of random shape including mostly circular but height of hole is same as height of wire, we can find the area summation for all holes that is sum of white...
27 July 2023 8,384 0 View
I need to do characterizations like DSC, FTIR, Thermo-mechanical, stress, adhesion tests, UV-Vis %T, and other required test for the above polymer sheets. So I need to clean the samples without...
11 July 2023 1,960 0 View
PVDF made mask was taking 6 - 7 times more to reach the 4E-6 mbar than when using stainless steel substrate mask. So is it due to degassing from PVDF and so this should not be used?
11 May 2023 5,126 8 View
I put charge as Ca metal granules of mm size in Boat and cover the boat with a cover having holes on it.
24 March 2023 5,579 2 View
I am doing UHV thermal evaporation of Calcium metal from calcium metal grenules. For powdered oxides we use a cover having holes in it above the boat. Should I use same for calcium?
23 February 2023 9,369 3 View
I want only Calcium metal thin film by evaporation. The color of metal granules is some blackish spots with metallic color. It is stored in an inert atmosphere.
01 January 2023 4,027 1 View
I want only metal evaporation. Color of metal granules is some balckish spots with metallic color.
01 January 2023 5,848 3 View
While X-Ray reflectivity fitting from Globalfit software, intermediate layer of SiOx between the Silicon substrate and the film is showing higher roughness value than its thickness.
08 June 2022 9,454 2 View