23 February 2023 1 5K Report

Hello everyone,

When using an oscilloscope to test the piezoelectric properties of devices assembled with PVDF films, how to distinguish whether the generated signal is piezoelectric or triboelectric?

Thanks,

Jason

More Shixin Jin's questions See All
How to deal with lab test values above quantifiable limit?

Hi, I'm analyzing data from an oncology trial and trying to perform statistical analysis including cox regression analysis and paired t-tests. My data includes laboratory test values, including...

22 June 2024 6,181 1 View

How can I adjust my fabrication method of liposome in order to correctly photographed TEM structures of liposomes?

I preprared curcumin-loaded liposome by Thin Film Hydration Method using lecithin, curcumin and beta-sterol. I stained it with phosphotungstic acid and uranium acetate and took TEM images of each....

30 May 2024 6,863 2 View

Are there people who success to staining pax7 on mouse tissue (frozen, 4%PFA)?

I have never success a staining pax7, myoD, eMHY on mouse tissue. (DSHB antibody) When I did a heat-retrieval, staining is success but background was too strong. So I'm not sure if this is a good...

27 May 2024 1,597 1 View

An error occurs when preparing ligands in Discovery Studio?

Hello, I am experiencing an error while using Discovery Studio and would like to ask for your assistance in identifying the cause. The details of the error are as follows: [ 22-May-2024 14:59:14...

21 May 2024 4,980 0 View

How to define Periodic boundary condition in HFSS?

Hello, I am newbie to HFSS and I need to define the periodic boundary conditions on the upper faces of the wave guide that is clarified in the attached file. Could you please let me know how I...

18 May 2024 2,444 0 View

How does CST calculate S11 for different types of transmission lines with waveguide port?

Hi, I get confused about the CST calculations for reflection and transmission values (S- S-Parameters) for different kinds of transmission lines. 1)First could you please let me know where is the...

02 May 2024 7,967 4 View

Is there any solution to define a periodic boundary condition for a face in CST?

Hi, In the scheme, I want to define the two above faces as the periodic boundaries on Y axis. But as I defined it, the CST considers the maximum size of the total shape on Y axis as periodic...

02 May 2024 4,573 1 View

How can I predict the synthesis possibility of compounds?

Hello, I am in charge of discovering new compound candidates using AI. Currently, we want to create hundreds of thousands of virtual compounds and then select final candidates through...

21 April 2024 9,784 0 View

How to get a paper from nature cities?

I want to download a few Nature Cities papers for study, but I can't do it through my school account, is there any way to access them?

15 April 2024 8,376 1 View

How to calculate equivalent of concentration ammonia?

I want to make 30 equivalents of concentrated NH4OH using a 30% wt aqueous NH3 solution, referencing the method below. I'm having trouble understanding how to produce equivalents of concentrated...

14 March 2024 6,160 0 View

Similar questions and discussions
How can I measure the thickness of thin film by Uv-Vis?

How can I measure the thickness of thin film by Uv-Vis?

06 August 2024 7,810 3 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

Does anybody know why my chitosan/pva/gelatin hydrogel dissolve in PBS?

My final research is about making chitosan/pva hydrogel for wound healing using gelatin as crosslinker. Last month, i made the thin film hydrogel and it turn well. It was okay. Last week, i make...

28 July 2024 2,794 6 View

Is it possible to manufacture polypropylene sheets using a biaxial process?

I know that films and other low-thickness laminated products are produced using biaxial orientation, but is there something similar for sheets with a thickness of around 6 mm? Or are they...

21 July 2024 1,559 1 View

How do you decide an optimal AC amplitude for non-faradaic electrochemical impedance spectroscopy?

I work with planar interdigitated electrodes (IDEs). The finger width and the spacing between the fingers are 5 micron. The surface of the IDEs is coated by a non-conductive polymer layer...

16 July 2024 5,031 1 View

Any suggestions to enhance the wettability and adhesion of fluorosilanes?

I am facing a difficulty to prepare the thin film which contains fluorine contained silica monomer, as we know F is highly reactive with low surface energy and it could be the reason of low...

09 July 2024 6,017 3 View

Can some indicate a technique - or approach - to measure the thickness of a 20µm film and thickness with water uptake?

Hi, I need to measure the real-time (or temporal intervals) thickness variation of a transparent material from dry to wet/humid conditions, however, I cannot use the following techniques: -...

08 July 2024 4,799 4 View

What are the potential effects of atomic-scale defects on the electronic and optical properties of thin films in emerging semiconductor materials?

Despite significant advancements in thin film deposition techniques, the precise role and control of atomic-scale defects in determining the properties of emerging semiconductor materials remain...

01 July 2024 5,745 1 View

How to calculate linear absorption coefficients?

Currently I am studying the absorption behaviour of multilayer thin film sample using XRF.The thin film has 3 layers ( WC/Co as substrate, Ti(C,N) as middle layer and Al2O3 as top layer). Here...

26 June 2024 6,065 2 View

What is it that can affect the energy harvesting performance of a PVDF nanogenerator ?

I have made a PVDF film and now I am trying to see the film's performance. I have made contacts on the film with the help of silver paste and attached copper strips as electrodes. But, I am not...

24 June 2024 8,671 0 View

Our partners will collect data and use cookies for ad personalization and measurement. Learn how we and our ad partner Google, collect and use data. Agree & close