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Modification of Electronic Properties of Graphene with Porphyrin Self-Assembled Monolayers and Photoinduced Interactions

DSpace at IIT Bombay

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Title Modification of Electronic Properties of Graphene with Porphyrin Self-Assembled Monolayers and Photoinduced Interactions
 
Creator KHADERBAD, MA
TJOA, V
MATHEWS, N
MADHU, S
RAVIKANTH, M
RAO, VR
 
Subject Graphene
Porphyrin
Self Assembled Monolayer
Energy Harvesting
Mobility
 
Description Solution processable reduced graphene oxide (RGO), with its unique electrical and structural properties is being considered in large scale device fabrication. The research developments in the formation and characterization of nanoelectronic devices with self-assembled monolayers (SAMs) of porphyrin can have foundations for future high speed electronics, alternative energy sources and sensors. In this work, we present the effect porphyrin monolayer functionalization on the electronic properties of RGO. Electrical transport measurements show that this dipolar monolayer on RGO induces doping and the capacity to tune the electronic properties of RGO may have important applications in future graphene devices, sensors and energy harvesting. Also, carrier transfer from excited zinc porphyrin molecules to carbon-based nanostructures is demonstrated on transistors comprising physiosorbed RGO on zinc porphyrin SAM.
 
Publisher AMER SCIENTIFIC PUBLISHERS
 
Date 2014-10-16T06:41:39Z
2014-10-16T06:41:39Z
2012
 
Type Article
 
Identifier NANOSCIENCE AND NANOTECHNOLOGY LETTERS, 4(7)743-746
http://dx.doi.org/10.1166/nnl.2012.1379
http://dspace.library.iitb.ac.in/jspui/handle/100/15460
 
Language en