期刊
NANOSCALE ADVANCES
卷 3, 期 15, 页码 4388-4394出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1na00319d
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资金
- Kempe Foundations
- Knut & Alice Wallenberg Foundation
The electrical properties of all-oxide core-shell ZnO-Co3O4 nanorod heterojunction were studied using new AFM methods. Light irradiation altered the electrical properties of the heterojunction. The new techniques were able to track the instantaneous local variation of the photocurrent, providing a 2D map of current-voltage curves and correlating the electrical and morphological features of the heterostructured nanorods.
The electrical properties of an all-oxide core-shell ZnO-Co3O4 nanorod heterojunction were studied in the dark and under UV-vis illumination. The contact potential difference and current distribution maps were obtained utilizing new methods in dynamic multifrequency atomic force microscopy (AFM) such as electrostatic and conductive intermodulation AFM. Light irradiation modified the electrical properties of the nanorod heterojunction. The new techniques are able to follow the instantaneous local variation of the photocurrent, giving a two-dimensional (2D) map of the current-voltage curves and correlating the electrical and morphological features of the heterostructured core-shell nanorods.
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