By Heon-Jin Choi (auth.), Gyu-Chul Yi (eds.)

This booklet offers the fabrication of optoelectronic nanodevices. The constructions thought of are nanowires, nanorods, hybrid semiconductor nanostructures, huge bandgap nanostructures for noticeable gentle emitters and graphene. The gadget purposes of those constructions are widely defined. The ebook offers additionally with the characterization of semiconductor nanostructures. It appeals to researchers and graduate students.

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H. S. S. T. M. J. Zhang, I. T. Lee, Nano Lett. 8, 4191 (2008) 65. J. Bae, H. -M. H Dang, Y. J. Choi, A. L Wang, Nanotechnology 21, 095502 (2010) Chapter 2 Catalyst-Free Metal-Organic Vapor-Phase Epitaxy of ZnO and GaN Nanostructures for Visible Light-Emitting Devices Chul-Ho Lee and Gyu-Chul Yi Abstract In this chapter, we present a review of current research activities related to ZnO and GaN nanostructures and their heterostructures for visible light-emitting devices. For the preparation of high-quality nanostructures, catalyst-free metalorganic vapor-phase epitaxy has been used because the catalyst-free method offers accurate doping and composition control required for optoelectronic device fabrication.

Choi Fig. 27 Optoelectrical characterization of nanowire p–n junctions. (a) Electroluminescence (EL) image of the light emitted from a nanowire p–n junction. Inset: photoluminescence (PL) image of the junction, (b) EL intensity versus voltage. Inset: I ˙V characteristics, (c) EL spectrum of the junction shown in (a), (d) EL spectrum recorded from a second forward-biased crossed nanowire p–n junction. Inset: EL image showing that the EL originates from the junction region (after [60]) were grown on n-SiC (0001) substrates using Ni catalysts (Fig.

8, 643 (2009) 33. L. Hu, G. Chen, Nano Lett. 7, 3249 (2007) 34. U. -E. Park, I. -K. -H. Kim, J. -G. -J. Choi, J. Appl. Phys. 106, 123903–1 (2009) 35. T. J. Pauzauskie, Y. Zhang, J. Goldberger, D. Sirbuly, J. Denlinger, P. Yang, Nat. Mater. 3, 524 (2004) 36. B. H. S. S. T. M. J. Zhang, I. T. Lee, Nano Lett. -J. Choi 37. Z. Zhong, F. Qian, D. M. Lieber,Nano Lett. 3, 343 (2003) 38. T. T. A. W. Larsson, W. Seifert, K. Deppert, A. R. Wallenberg, L. Samuelson, Nano Lett. 4, 1987 (2004) 39. -Y. Bao, C.

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