Preparation of Nanoporous Alumina Hollow Spheres with a Highly Ordered Hole Arrangement

Overview

Journal RSC Adv

Publisher Royal Society of Chemistry

Specialty Chemistry

Date 2022 May 11

PMID 35542576

Authors

Takashi Yanagishita

Masahiko Imaizumi

Toshiaki Kondo

Hideki Masuda

Affiliations

Soon will be listed here.

Abstract

Nanoporous alumina spheres with an ordered hole arrangement were prepared through a two-step anodization of small Al particles. The hole periodicity in the ordered anodic porous alumina could be controlled by adjusting the anodizing conditions. Nanoporous hollow spheres were also obtained by removal of residual Al in an etchant. Additionally, nanoporous spheres loaded with Au nanoparticles on their surfaces were obtained through electrochemical or chemical deposition of Au nanoparticles. The obtained Au/alumina composite hollow spheres were used as a substrate for surface-enhanced Raman scattering measurements.

Citing Articles

Micro-nano hierarchical pillar array structures prepared on curved surfaces by nanoimprinting using flexible molds from anodic porous alumina and their application to superhydrophobic surfaces.

Yanagishita T, Sou T, Masuda H RSC Adv. 2022; 12(31):20340-20347.

PMID: 35919591 PMC: 9277715. DOI: 10.1039/d2ra02563a.

Preparation of nanoporous alumina hollow spheres with a highly ordered hole arrangement.

Yanagishita T, Imaizumi M, Kondo T, Masuda H RSC Adv. 2022; 8(4):2041-2047.

PMID: 35542576 PMC: 9077359. DOI: 10.1039/c7ra12340j.

Recent Advances in Nanoporous Anodic Alumina: Principles, Engineering, and Applications.

Domagalski J, Xifre-Perez E, Marsal L Nanomaterials (Basel). 2021; 11(2).

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