Rafidah Ahmad

4 Questions 12 Answers 0 Followers

Questions related from Rafidah Ahmad

Polymer solvent for active layer (Donor-electron) in OPV applications

Usually chlorobezene was used as a solvent for P3HT/PCDTBT polymer. Is there any solvent that can be used beside chlorobenzene? As it is a halogenated solvent and harzardous.

01 January 2013 1,015 3 View

Graphene thickness for monolayer or multilayer

How to measure the graphene thickness using a Raman spectrometer. Is there any paper that provides the calculation and solution? The graphene was coated on to a glass substrate.

01 January 2013 7,646 3 View

ITO/glass substrates cleaning

Here are the steps to clean the Indium Tin Oxide (ITO) or without ITO coated on the glass. 1. Clean acetone 2. Clean with 55 deg C of 10% NaOH solution 3. Rinse in deionized water. Step #3. Can...

12 December 2012 3,267 24 View

Etching method or etchant for graphene monolayer coated on a glass substrate

Graphene films can be used as a transparent electrode. Currently O2 plasma etching was used to etch the graphene. Is there any way to remove some of the graphene area for the thickness measurement?

12 December 2012 792 9 View