J 2023

Combined Au/Ag nanoparticle creation in ZnO nanopillars by ion implantation for optical response modulation and photocatalysis

MACKOVÁ, A., A. JAGEROVÁ, O. LALIK, R. MIKŠOVÁ, D. POUSTKA et. al.

Basic information

Original name

Combined Au/Ag nanoparticle creation in ZnO nanopillars by ion implantation for optical response modulation and photocatalysis

Authors

MACKOVÁ, A. (guarantor), A. JAGEROVÁ, O. LALIK, R. MIKŠOVÁ, D. POUSTKA, J. MISTRÍK, Václav HOLÝ (203 Czech Republic, belonging to the institution), J. D. SCHUTTER, U. KENTSCH, P. MARVAN, A. AZAROV and A. GALECKAS

Edition

Applied Surface Science, Elsevier Science BV, 2023, 0169-4332

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10302 Condensed matter physics

Country of publisher

Netherlands

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 6.700 in 2022

RIV identification code

RIV/00216224:14310/23:00130247

Organization unit

Faculty of Science

UT WoS

000892946400004

Keywords in English

ZnO nanopillars; Au; Ag nanoparticles ion implantation; SPR; doped ZnO nanostructures

Tags

Tags

International impact, Reviewed
Změněno: 30/1/2023 09:34, Mgr. Marie Šípková, DiS.

Abstract

V originále

ZnO nanopillars were implanted with Au-400 keV and Ag-252 keV ions with ion fluences from 1 x 1015 cm-2 to 1 x 1016 cm-2. We compared ZnO nanopillars solely implanted with Au-ions and dually-implanted with Au and Ag-ions. Rutherford Back-Scattering spectrometry (RBS) confirmed Ag and Au embedded in ZnO nanopillar layers in a reasonable agreement with theoretical calculations. A decreasing thickness of the ZnO nanopillar layer was evidenced with the increasing ion implantation fluences. Spectroscopic Ellipsometry (SE) showed a decrease of refractive index in the nanopillar parts with embedded Au, Ag-ions. XRD discovered vertical domain size decreasing with the proceeding radiation damage accumulated in ZnO nanopillars which effect was preferably ascribed to Au-ions. SE and diffuse reflectance spectroscopy (DRS) showed optical activity of the created nanoparticles at wavelength range 500 - 600 nm and 430 - 700 nm for the Au-implanted and Au, Ag-implanted ZnO nanopillars, respectively. Photoluminescence (PL) features linked to ZnO deep level emission appear sub-stantially enhanced due to plasmonic interaction with metal nanoparticles created by Ag, Au-implantation. Photocatalytic activity seems to be more influenced by the nanoparticles presented in the layer rather than the surface morphology. Dual implantation with Ag, Au-ions enhanced optical activity to a larger extent without significant morphology deterioration as compared to the solely Au-ion implanted nanopillars.