Generation of InN nanocrystals in organic solution through laser ablation of high pressure chemical vapor deposition-grown InN thin film
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We report the synthesis of colloidal InN nanocrystals (InN-NCs) in organic solution through nanosecond pulsed laser ablation of high pressure chemical vapor deposition-grown InN thin film on GaN/sapphire template substrate. The size, the structural, the optical, and the chemical characteristics of InN-NCs demonstrate that the colloidal InN crystalline nanostructures in ethanol are synthesized with spherical shape within 5.9–25.3, 5.45–34.8, 3.24–36 nm particle-size distributions, increasing the pulse energy value. The colloidal InN-NCs solutions present strong absorption edge tailoring from NIR region to UV region.
KeywordsHigh pressure chemical vapor deposition Laser ablation of InN thin film in organic solution InN nanocrystal synthesis
The State Planning Organization (DPT) of Turkey is acknowledged for its support of UNAM Institute of Materials Science and Nanotechnology. Dr. Ortaç acknowledges the “Industrial Thesis Projects Programme” of the Ministry of Industry and Trade for funding the San-Tez (636.STZ.2010-1) project. Dr. Okyay acknowledges TUBITAK and EU FP7 for funding 108E163, 109E044, and PIOS 239444 projects. Dr. Alkis acknowledges TUBITAK-BIDEB for research support. The authors thank Mustafa Güler for TEM imaging and Enver Kahveci for the XPS study. The authors thank Dr. Nikolaus Dietz from Georgia State University, Atlanta, U.S.A, for providing InN samples.
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