Electrochemical preparation system for unique mesoporous hemisphere gold nanoparticles using block copolymer micelles

Hyunsoo Lim; Tomota Nagaura; Minjun Kim; Kenya Kani; Jeonghun Kim; Yoshio Bando; Saad M Alshehri; Tansir Ahamad; Jungmok You; Jongbeom Na; Yusuke Yamauchi

doi:10.1039/d0ra01072c

Electrochemical preparation system for unique mesoporous hemisphere gold nanoparticles using block copolymer micelles

RSC Adv. 2020 Feb 28;10(14):8309-8313. doi: 10.1039/d0ra01072c. eCollection 2020 Feb 24.

Authors

Hyunsoo Lim¹, Tomota Nagaura¹, Minjun Kim¹, Kenya Kani¹, Jeonghun Kim^{1

2

3}, Yoshio Bando^{4

5

6}, Saad M Alshehri⁷, Tansir Ahamad⁷, Jungmok You⁸, Jongbeom Na¹, Yusuke Yamauchi^{1

2

8}

Affiliations

¹ Australian Institute for Bioengineering and Nanotechnology (AIBN) and School of Chemical Engineering, The University of Queensland Brisbane QLD 4072 Australia y.yamauchi@uq.edu.au.
² Key Laboratory of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology Qingdao 266042 China.
³ Department of Chemistry, Kookmin University 77 Jeongneung-ro, Seongbuk-gu Seoul 02707 Republic of Korea.
⁴ International Center for Materials Nanoarchitechtonics (MANA), National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan.
⁵ Institute of Molecular Plus, Tianjin University No. 92 Weijin Road, Nankai District Tianjin 300072 P. R. China.
⁶ Australian Institute of Innovative Materials (AIIM), The University of Wollongong Squires Way North Wollongong NSW 2500 Australia.
⁷ Department of Chemistry, College of Science, King Saud University Riyadh 11451 Saudi Arabia.
⁸ Department of Plant & Environmental New Resources, Kyung Hee University 1732 Deogyeong-daero, Giheung-gu Yongin-si Gyeonggi-do 446-701 South Korea.

Abstract

Gold nanoparticles (AuNPs) are widely used in various applications, such as biological delivery, catalysis, and others. In this report, we present a novel synthetic method to prepare mesoporous hemisphere gold nanoparticles (MHAuNPs) via electrochemical reduction reaction with the aid of polymeric micelle assembly as a pore-directing agent.