Can anybody suggest parameters for spin coating. and some literature on synthesis and characterization.
You can follow the papers below which may help you to some extent.
1.www.pcgg.de/download/Vor_Polymerfilme.pdf
2.http://www.tu-chemnitz.de/physik/HLPH/publications/p_src/608.pdf
3.http://naturalspublishing.com/files/published/ox32nn4h1396rq.pdf
Best of luck.
thank you kunal.
I know about spin coating basics and all.
i am looking for graphene oxide solution on to a quartz substrate by using Spin coating.
Hi Narendra. As you know graphene oxide is very hydrophilic due to its oxygen functional groups (-COOH, -OH, -O-). So the simplest way is to make your quartz substrates hydrophilic by using piranha solution (3:1 concentrated sulfuric acid to 30% hydrogen peroxide solution). Piranha sollution is a strong oxidizing agent and it will hydroxylate most surfaces (add OH groups), making them highly hydrophilic. Therefore, you can use aqueous dispersions of GO to be extremely compatible with your quartz substrates, in order to coat uniform GO films by spin coating.
Maybe, you know. It's important to adjust the concentration of solution and the condition of Si substrate for good film. As a case of the latter, I think you might make the highly hydrophilic substrate by forming the dangling bond through the ozone treatment or plasma treatment. If you can't use them, you might be able to simply get the same effect from torch treatment. However, I can't make sure for the torch method. I've been done for the FTO, ITO glass.
Dear Minas M. Stylianakis
Of course you are totally right about substrates hydrophilic using Piranna solution but I have some concerns.
Is this treatment should be done directly before the deposition. it may be done after?
you didn't mentioned any wash after the treatment using acetone or dist.water to remove the excess of acids on the substrate?
I appreciated your practical advise
Thanks
Albert
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