光电子快报(英文版), 2016, 12 (6): 401, Published Online: Oct. 12, 2017  

High-efficiency laser-irradiation spheroidizing of NiCo2O4nanomaterials

Author Affiliations
1 Key Laboratory of ASIC Design of Jiangsu Province, College of Electronics and Information, Nantong University, Nantong 226019, China
2 College of Science, Nantong University, Nantong 226019, China
3 Jiangsu Key Laboratory of Advanced Micro & Nano Materials and Technology, Institute of Optoelectronics & Nanomaterials, College of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
Abstract
We realized the desired spheroidizing of NiCo2O4nanomaterials by laser irradiating NiCo2O4suspensions with different concentrations. The results reveal that the as-prepared samples are desired spheres with the maximal average size of 568 nm and the superior dispersity, which were obtained at the energy density of 0.30 J·pulse-1·cm-2and NiCo2O4suspension concentration of 0.2 mg·mL-1. However, the phase segregation, which was induced by large amounts of solid redox of Co3+/Co2+and Ni3+/Ni2+, also appears in the laser-irradiation process.

LIU Pei-sheng, WANG Hao, ZENG Hai-bo, FAN Guang-ming, LIU Ya-hong. High-efficiency laser-irradiation spheroidizing of NiCo2O4nanomaterials[J]. 光电子快报(英文版), 2016, 12(6): 401.

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