Which best counter electrode to be used for photoelecrochemical solar cells?

We are synthesizing CFTS thin film PEC solar cells.

09 October 2017 8,706 6 View

Can we measure I-V Characteristics of photoelectrochemical solar cells using potentiostat?

We have potentiostat of CH Instruments.

09 October 2017 9,583 1 View

What is the best precursor for TiO2 by spray pyrolysis?

We wish to deposit TiO2 thin films by spray pyrolysis.

08 September 2017 999 5 View

Why there is diffenence in Speicific Capacitance values calculted from CV and Galvanostatic Charge Discharge curves?

I use Potentiostat from CH Instruments USA

08 September 2015 5,824 0 View

What is the procedure for synthesis of graphene using Chemical Vapor Deposition? What are the best precursors?

Chemical used and experimental conditions

01 January 1970 4,920 4 View

How to measure accurate thickness Graphene synthesised by CVD?

we need accurate thickness of Graphene for calculation purpose.

01 January 1970 9,703 6 View

What is the best method to measure mass of graphene syntheized by CVD.?

We have synthesised garphene on Cu substrate using CVD.

01 January 1970 4,549 3 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

How to improve the adhesion between germanium and silicon monoxide thin film layers using EBEAM evaporation?

I want to deposit multilayer coating of germanium and silicon monoxide on silicon wafer using ebeam evaporation?

21 February 2021 2,141 3 View

How can I measure the thickness of thin layers deposited on textured glass susbtrates?

I want to measure the thickness of aluminum oxide and titanium oxide layers deposited on textured glass substates. The layer thicknesses are typically below 100nm.

21 February 2021 5,465 4 View

How to prepare electrolyte of NaClO4 salt for Na-ion battery? Any problem with this salt?

Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...

21 February 2021 8,132 1 View