How to remove the residual PDMS on the silicon mold?

Incompletely cross-linked pdms are difficult to remove.

01 March 2021 798 3 View

VIF very high, but correlation is low and coefficient is significant. Which one whould I choose?

Hello. I have a question whether if my coefficients (statistically significant) would be valid when VIFs are really high. In my model, there are independent variables(IV), moderating variables...

26 February 2021 956 13 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

How to remove the species data from rda data frame in R (only remain the sites/samples point)?

Dear everyone, When I using the rda function in r, I met this question. As you can see in the figure, there are a lot of deep blue points which refers to the species. But I would like remain...

15 February 2021 8,982 2 View

How to simulate enzymatic hydrolyis of sucrose in a CSTR coupled with ultrafiltration membrane with comsol?

Dear all, I am trying to simulate the enzymatic hydrolysis of sucrose with invertase in CSTR in Comsol. The reaction pathway is such that Sucrose + Water -> Fructose + Glucose. It is desired...

27 January 2021 2,525 4 View

How to design an Ultrafiltration membrane for a CSTR?

Dear all, I am designing an Ultrafiltration (UF) membrane coupled with a CSTR. It is desired to utilized a dead end stirred reactor. The main purpose is to separate the enzyme used from the final...

27 January 2021 7,924 1 View

Sb2Te3 thin film annealing and damage(break)?

21 January 2021 9,642 2 View

Is it possible to publish a paper contradicting Einstein's special relativity in any Journal?

I just developed a new theory on electromagnetic and plan to publish in a Journal. The findings are purely through strict mathematical derivation without any disputable assumptions and also...

13 January 2021 1,558 5 View

What is the significance of Per-Patient and Per-Tooth analysis in epidemiology?

Research in prevalence usually provide results in per-tooth/object level and per-patient level. What is the significance of these two values and which is actually more important/accurate? What are...

10 December 2020 4,248 4 View

For SIADH, does it cause edema and Hypertension?

I have found two teachings from different sources. One they said about blood volume increase and therefore the patient has oedema and hypertension. But, another source says when there is high...

08 December 2020 1,278 3 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