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Al solubility in ZnO nanocrystals synthesized by solvothermal method

XIAOJIE YANG1, YUQI LIU2, YECHENG PEI2, DONGYUN GUO2,*

Affiliation

  1. Faculty of Building Materials, Kunming Metallurgy College, 650033, China
  2. School of Materials Science and Engineering, Wuhan University of Technology, 430070, China

Abstract

The Al-doped ZnO nanocrystals were synthesized by a solvothermal method with nominal Al content ranging from 3 to 7 at.% in the precursors, and the Al solubility in ZnO nanocrystals was investigated. When the nominal Al content in the precursors was less than 5 at.%, the single-phase Al-doped ZnO nanocrystals with wurtzite structure were synthesized at 260 oC for 20 h. The maximum Al solubility in ZnO nanocrystals was about 2.97 at.%, as the the nominal Al content in the precursor was 5 at.%. In the solvothermal process, the Al-doped ZnO nanocrystals tended to grow along the c-axis direction to form nanorods based on the oriented-attachment growth mechanism.

Keywords

Al-doped ZnO nanocrystals, Solvothermal method, Al solubility, Oriented attachment.

Citation

XIAOJIE YANG, YUQI LIU, YECHENG PEI, DONGYUN GUO, Al solubility in ZnO nanocrystals synthesized by solvothermal method, Optoelectronics and Advanced Materials - Rapid Communications, 16, 5-6, May-June 2022, pp.258-262 (2022).

Submitted at: Dec. 14, 2021

Accepted at: June 6, 2022