Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Flexible transistors exploiting P3HT on paper substrates and graphene
  oxide films as gate dielectrics: proof of concept   In this paper we report: the use of GO in aqueous solution as a gate
dielectric material, its application to a MOS transistor based on organic
semiconductor and the use of paper as substrate material.

18
The categories of this paper are: econ
28
The categories of this paper are: alg-geom
23
The categories of this paper are: solv-int
25
The categories of this paper are: patt-sol
6
The categories of this paper are: astro-ph
35
The categories of this paper are: mtrl-th
8
The categories of this paper are: hep-ex
22
The categories of this paper are: chao-dyn
17
The categories of this paper are: q-fin
30
The categories of this paper are: q-alg
26
The categories of this paper are: bayes-an
29
The categories of this paper are: funct-an
36
The categories of this paper are: cmp-lg
5
The categories of this paper are: gr-qc
1
The categories of this paper are: cs
32
The categories of this paper are: atom-ph