Rekha Singh

8 Questions 14 Answers 0 Followers

Questions related from Rekha Singh

How do I seal the gel electrolyte based Electrochromic Devices?

I am using PMMA based gel plasticized with propylene carbonate. This gel is sandwiched between two electrodes (coated with electrochromic materials). Our devices are getting dry very fast and the...

05 November 2015 411 3 View

How to interpret RAMAN data of doped PEDOT thin films?

I have prepared PEDOT films on ITO by electropolymerization. I want to compare raman data of PEDOT films at various thicknesses since I observe change in its UV-vis absorption (dedoped PEDOT)...

06 July 2015 5,035 2 View

Can anyone help with the observed hysteresis in in-situ conductance measurements?

During in-situ conductance measurements, the gate potential was varied from -0.8 V to 0.6 V (anodic cycle) and reverse measurements from 0.6 V to -0.8 V (cathodic cycle). I have observed a huge...

22 December 2014 2,454 3 View

Can somebody help with In-situ conductance measurements of chemically synthesized conducting polymers such as PEDOT-PSS?

I am using gold interdigitated electrodes with 5 um width and spacing. I spin coat PEDOT-PSS on the IDE to get around 100 nm thick films. In-situ conductance measurements are done by dipping the...

19 November 2014 9,327 4 View

Is it reliable to compare absorption spectra of polymer film recorded in transmission mode and reflectance mode?

How much more reliable is the comparison of transmission data and reflectance data for a thin film of polymer coated on ITO/glass and Platinum respectively?

09 October 2014 2,691 7 View

How to co-polymerize two monomers electrochemically having large difference in oxidation potential?

I want to co-polymerize a monomer electrochemically whose onset oxidation is 0.3V with the other monomer having 0.8V (vs Ag/Ag+). Since they have different reactivities, the proportion of two wont...

05 August 2014 4,027 2 View

How can I do reflectance measurements of my polymer (PEDOT) on glassy carbon electrode?

I am interested in studying the reflectance of PEDOT (both in doped and de-doped form) deposited on glassy carbon electrode. Since glassy carbon electrode has less reflectivity, if I take...

24 December 2013 1,522 1 View

Can anyone help with Cyclic voltammetry of PEDOT-PSS films?

I have spin coated PEDOT-PSS films on ITO. When I do cyclic voltammetry of these films, they show a huge change in CV after every cycle especially change in the reduction peak current (decreases)...

04 December 2013 1,898 6 View