I am trying to simulate phase change of refrigerant inside pipe extracting heat from panel in comsol. Can anyone help with how to simulate this?

My model is a rectangular multi layered structure under which refrigerant flows through cylindrical pipes. A heat flux of 600W/m2 applied on panel and internal forced convection is used for...

20 January 2021 9,478 1 View

Why does the ghost atoms gives error in NICS calculation with wb97xd in gaussian09 ?

In a trial, I am trying to calculate NICS (0 and 1) values for benzene ring using gaussian09. I have placed the ghost atoms at the center, 1A, and 2A above the rings. On using the method/basis...

19 January 2021 3,188 3 View

Rejected manuscript for journal publish after 1st revision, what needs to be done next?

Hello, My manuscript has been rejected by the editor and reviewers even after the 1st revision. Though I tend to disagree some of the points raised, assume I can't request for another revision...

28 December 2020 6,062 3 View

Acetylene reduction assay procedure?

Do anyone have the detailed step wise procedure(practical) to do the acetylene reduction assay? Or if anyone can let me know in which institute can i analyse my samples in India?

28 December 2020 6,717 2 View

What is the actual basis on which amount of Perovskites materials are to be taken?

In some discussion people took 112 mg of MAI and 461 mg of PbI2 in 1 mL DMF and some took 461mg of PbI2 too but 159mg of MAI there are many other authors took different amount of these materials...

17 September 2020 9,998 3 View

Forums to get online survey responses?

For my journal publish, I have been asked to increase the sample size by 200. I have been individually contacting more than 1000 Linkedin contacts and posted in all professional groups. But have...

04 September 2020 2,564 5 View

Derivation of Rice and Tracey equation???

12 July 2020 6,555 1 View

Can anyone suggest me where to get a low cost 2D Heterostructure Transfer System?

Except the 2D transfer system sold by HQ Graphene

09 July 2020 3,276 4 View

Why do mangroves intake oxygen through aerating roots like pneumatophores?

Many mangroves like Avicennia and Sonerratia species have developed pneumatophores as an adaptive strategy to survive in hypoxic environment. These pneumatophores receive oxygen from the...

16 April 2020 2,203 3 View

What is a popular book for understanding laser fundamentals and evolution and types of lasers?

I looking for books, channels, videos and PDFs regarding laser and particle interaction and evolution of laser power and laser types and how laser makes the physical changes on the ceramic...

05 April 2020 3,396 25 View

Are there any thermochromic materials that reflect infrared light (~9000nm) at 10C and transmit infrared light at 25C?

So I know some metal-insulators (ex VO2) have thermochromic infrared-reflective properties, but most of these are insulators at low temperatures and conductive at high temperatures. Some...

07 February 2021 1,770 3 View

What is the role of top counter electrode when using perovskite thin-films in photoelectrochemical application?

I am currently working on perovskite based photoelectrodes, but I do not want to replace the counter electrodes including Ag, Au, will it have serious issue in the PEC performance?

13 January 2021 3,408 2 View

How to Interpret Photoluminescence Spectrum of Mixed Pb-Sn FA0.7MA0.3Pb0.7Sn0.3I3 Perovskites?

Dear Researchers, I hope you all will be in good health. I am writing this to request for your guidance. I am working on the fabrication of low bandgap Pb-Sn mixed perovskite with exact...

23 December 2020 1,147 1 View

How to know if Zinc Oxide is coated on the glass substrates?

Hello all I have prepared Zinc Oxide nanoparticles using sol gel synthesis. I tried to coat the ITO and glass substrates with the ZnO nanoparticles ( dispersed in ethanol). But I am not sure if...

08 December 2020 3,692 8 View

Is there any Perovskite validation App available?

Is the any App by which I can check if different elements of choice can form Perovskites. I mean any App or even Excel addin that can calculate the tolerance factor.

08 November 2020 9,849 2 View

Which PEIE to use?

Hello all Thanks for answering my previous questions. I am making perovskite LED and intend to use PEIE on zinc oxide layer as ETL. But I am not sure what version of PEIE to us. There is the one...

08 November 2020 5,710 3 View

Is there any possible stabilize metal-doped blue-emitting light perovskite through self-assembly method?

Now, I have got a metal-doped perovskite in which blue shift happens result. I tried to make it a more blue shift to get a stable and very blue perovskite. So I think is there any possible...

04 November 2020 8,384 3 View

Why perovskite thin film PLQY much higher than dispersion PLQY?

I doped Mn into perovskite. I found when up to the best doping amount, the thin film PLQY much higher than the dispersion PLQY in my experiment. I don't know what caused it, is there any theory...

04 November 2020 2,477 3 View

Solar cell Nyquist plots?

Hi, I study perovskite. Through the project, I studied the OPV cell, and the nyquist plot was obtained through impedance measurement. In the case of perovskite, the nyquist plot has two...

03 November 2020 1,973 2 View

Zno NPs seperation?

Thanks a lot for your answers. I have one more question: after synthesizing ZnO nanoparticles , I am not able to separate from the original solution (dispersion actually). The recipe is as...

23 October 2020 9,857 8 View