Title of Paper:Defect evolution in ZnO and its effect on radiation tolerance

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Affiliation of Author(s):航天学院

Journal:PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Key Words:NANOPARTICLES LUMINESCENCE ABSORPTION VACANCIES EMISSION

Abstract:The origin of ZnO radiation resistance is fascinating but still unclear. Herein, we found that radiation tolerance of ZnO can be tuned by engineering intrinsic defects into the ZnO. The role played by native defects in the radiation tolerance of ZnO was systematically explored by carrying out N+ implantation on a set of home-grown ZnO nanocrystals with various lattice defect types and concentrations. Interestingly, decreasing the V-o and Zn; concentration significantly aggravated N+ radiation damage, indicating the presence of O-deficient defects to be the potential cause of the radiation hardness of ZnO. A similar phenomenon was also observed for H+-implanted ZnO. This work offers a new way to manipulate ZnO and endow it with desired physicochemical properties, and is expected to pave the way for its application in radiative environments.

ISSN No.:1463-9076

Translation or Not:no

Date of Publication:2018-05-07

Co-author:Li, Xingji

Correspondence Author:吕金鹏,Li, Xingji,lvjinpeng