Research Papers

Synthesis and optoelectrical properties of f-graphene/cadmium selenide hybrid system

[+] Author Affiliations
Saeed Salem Babkair

King Abdulaziz University, Center of Nanotechnology, Department of Physics, Faculty of Science, Jeddah 21589, Saudi Arabia

Ameer Azam

Aligarh Muslim University, Department of Applied Physics, Aligarh-202002, India

Kuldeep Singh

Central Electro Chemical Research Institute (CSIR), Karaikudi-630006, Tamil Nadu, India

Sundeep Kumar Dhawan

National Physical Laboratory, (CSIR), Dr. K. S. Krishnan Road, New Delhi 110 012, India

Mohd Taukeer Khan

Islamic University, Department of Physics, Faculty of Science, Medina 42351, Saudi Arabia

J. Nanophoton. 9(1), 093048 (Oct 13, 2015). doi:10.1117/1.JNP.9.093048
History: Received June 10, 2015; Accepted September 11, 2015
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Abstract.  The present work demonstrates the synthesis of a hybrid accepter material containing amino-functionalized graphene oxide (GO) and an inorganic semiconducting material, cadmium selenide (CdSe). First, amino-functionalized graphene was synthesized and then nanocrystals (NCs) of CdSe were in situ grown in the functionalized-(GO) matrix named f-GCdSe. Structural studies such as x-ray diffraction, and a scanning electron microscopic were employed to investigate the growth of CdSe NCs in the graphene matrix. To understand the charge generation and transfer process at the donor/acceptor interface, the absorption, photoluminescence (PL), and transient absorption spectroscopic (TAS) studies have been carried out in poly(3-hexylthiophene) (P3HT)/f-GCdSe thin films. PL quenching in P3HT/f-GCdSe thin film suggests that charge transfer takes place at the donor/acceptor interface. TAS shows higher optical density and long lived free carriers for P3HT/f-GCdSe thin film. These results suggest that f-GCdSe is an excellent electron–acceptor material for organic photovoltaic devices.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Saeed Salem Babkair ; Ameer Azam ; Kuldeep Singh ; Sundeep Kumar Dhawan and Mohd Taukeer Khan
"Synthesis and optoelectrical properties of f-graphene/cadmium selenide hybrid system", J. Nanophoton. 9(1), 093048 (Oct 13, 2015). ; http://dx.doi.org/10.1117/1.JNP.9.093048


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