Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Preparation and Physical Properties of Red-photoluminescent Graphene/Europium(III)/Picolinate

  • Kim, Jang-Yong (Convergence of IT Devices Institute Busan, Dong-Eui University) ;
  • Lee, Jin-Bong (Convergence of IT Devices Institute Busan, Dong-Eui University) ;
  • Kim, Hye-Jin (Convergence of IT Devices Institute Busan, Dong-Eui University) ;
  • Shin, Koo (Department of Chemistry, Sejong University) ;
  • Yu, Yun-Sik (Convergence of IT Devices Institute Busan, Dong-Eui University) ;
  • Oh, Yung-Hee (Convergence of IT Devices Institute Busan, Dong-Eui University)
  • Received : 2010.02.26
  • Accepted : 2010.04.01
  • Published : 2010.06.20
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Abstract

Novel photoluminescent graphene, graphene/europium/picolinate, was made from the reaction of the graphene carboxylate, europium(III) and $\alpha$-pyridoin anion in methanol solution. There was evidence on IR spectroscopic data that europium metal was coordinated by graphene carboxylate. The graphene/europium/picolinate materials emitted the red luminescence with main peaks at 609 and 695 nm, when solid sample was excited by an UV light at the wavelength of 254 nm. The surface morphology and physical properties of the graphene/europium/picolinate product have been investigated by IR, PL, SEM, TEM and TGA measurements.

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