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Soft-chemistry based fabrication of gallium nitride nanoparticles

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Abstract

Gallium nitride (GaN) nanoparticles were fabricated with two different fabrication processes based on soft-chemistry methods, and the results were compared. Before fabricating GaN, gallium oxide peroxide (GaO(OH)) nanorods or amorphous gallium oxide (Ga2O3) particles were fabricated. For the first method, the gallium nitride (Ga(NO3)3) was dissolved into the nitric acid and adjusted pH to approximately 7. The solid-sol was converted to Ga2O3 by heating at 400 °C for 4 h. The Ga2O3 was converted to GaN in a tube furnace at 900 °C for 1 h with ammonia flow. The synthesized GaN has spherical crystalline structure. For the second method, Ga(NO3)3 was dissolved in deionized water and adjusted pH to 5 and 7 using potassium hydroxide. Well-defined and uniform diameter (approximately 200 nm) and length (approximately 1000 nm) of GaO(OH) nanorods were fabricated. For the pH 7 case, the length of the nanorods became approximately 500 nm. The nanorods became a spherical shape after conversion. X-ray diffraction patterns of the GaN nanoparticles showed a wurtzite structural characteristic.

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Authors and Affiliations

  1. Center for EAPap Actuator, Department of Mechanical Engineering, Inha University, 253, Yonghyun-dong, Nam-gu, Incheon, South Korea, 402-751

    Yi Chen, Mohammad Maniruzzaman & Jaehwan Kim

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  1. Yi Chen
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  2. Mohammad Maniruzzaman
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  3. Jaehwan Kim
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Correspondence to Jaehwan Kim.

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Chen, Y., Maniruzzaman, M. & Kim, J. Soft-chemistry based fabrication of gallium nitride nanoparticles. Int. J. Precis. Eng. Manuf. 12, 573–576 (2011). https://doi.org/10.1007/s12541-011-0073-0

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  • DOI: https://doi.org/10.1007/s12541-011-0073-0

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