THE CHARACTERIZATION OF MORPHOLOGY, CHEMICAL AND OPTICAL PROPERTIES OF PERYLENE BASED ORGANIC NANOCOMPOSITES MODIFIED WITH GRAPHENE OXIDE

Year 2018, Volume: 8 Issue: 1, 99 - 109, 30.06.2018

Cihat Aydın

https://doi.org/10.36222/ejt.458126

Abstract

In present study,
Graphene oxide doped Perylene-3,4,9,10-tetracarboxylic dianhydride based
organic nanocomposites prepared for various mass ratio (m_GO/m_perylene=
0.005, 0.01, 0.03 and 0.1) by the sol-gel process. The graphene oxide was
synthesized by modified Hummers method. The prepared organic nanocomposite
samples were characterized by SEM, EDX, FTIR and Optical spectroscopy
techniques. Typical scanning electron microscopy (SEM) images indicate the
presence of particles with different sizes from 432 to 841 nm. The optical band
gap of the samples were determined from the diffused reflectance spectra and Eg
values for undoped and graphene oxide doped (0.005, 0.01, 0.03 and 0.1)
Perylene organic nanocomposite were found to be 2.43, 2.68, 2.55, 2.57 and 2.68
eV, respectively. This results evaluated that Graphene oxide doped Perylene
based organic nanosemiconductors can be producted by sol-gel techniques and
this materials can be used for advanced technological applications

Keywords

Perylene, , Graphene Oxide, Sol-Gel, Hummers Method, optical properties

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