Sonochemical Synthesis of Cu@Pt Bimetallic Nanoparticles

被引：5

作者：

Hansen, Henrik E. ^{[1
,2
]}

Fakhri, Daniel O. ^{[1
]}

Seland, Frode ^{[1
]}

Sunde, Svein ^{[1
]}

Burheim, Odne S. ^{[2
]}

Pollet, Bruno G. ^{[2
,3
]}

机构：

[1] Norwegian Univ Sci & Technol NTNU, Fac Nat Sci, Dept Mat Sci & Engn, Electrochem Grp, N-7491 Trondheim, Norway

[2] Norwegian Univ Sci & Technol NTNU, Fac Engn, Dept Energy & Proc Engn, Hydrogen Energy & Sonochem Res Grp, N-7491 Trondheim, Norway

[3] Univ Quebec Trois Rivieres UQTR, Inst Hydrogen Res IHR, Green Hydrogen Lab, Pollet Res Grp, 3351 Blvd Forges, Trois Rivieres, PQ G9A 5H7, Canada

来源：

MOLECULES | 2022年 / 27卷 / 16期

关键词：

ultrasound; sonochemistry; electrocatalyst; hydrogen; platinum; copper; core-shell; ULTRASOUND; FREQUENCY; REDUCTION; IONS; AU; AG;

D O I：

10.3390/molecules27165281

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Reducing the amount of noble metals in catalysts for electrochemical conversion devices is paramount if these devices are to be commercialized. Taking advantage of the high degree of particle property control displayed by the sonochemical method, we set out to synthesize Cu@Pt bimetallic nanocatalysts in an effort to improve the mass activity towards the hydrogen evolution reaction. At least 17 times higher mass activity was found for the carbon supported Cu@Pt bimetallic nanocatalyst (737 mA mg(-1), E = -20 mV) compared to carbon supported Pt nanocatalysts prepared with the same ultrasound conditions (44 mA mg(-1), E = -20 mV). The synthesis was found to proceed with the sonochemical formation of Cu and Cu2O nanoparticles with the addition of PtCl4 leading to galvanic displacement of the Cu-nanoparticles and the formation of a Pt-shell around the Cu-core.

引用

页数：10

共 26 条

[1] Sonochemical synthesis of Au-Ag core-shell bimetallic nanoparticles
Anandan, Sambandam
Grieser, Franz
Ashokkumar, Muthupandian
[J]. JOURNAL OF PHYSICAL CHEMISTRY C, 2008, 112 (39) : 15102 - 15105
[2] ANGERSTE.H, 1973, J ELECTROANAL CHEM, V43, P9, DOI 10.1016/0368-1874(73)80226-6
[3] PULSE RADIOLYTIC STUDY OF SITE OF OH RADICAL ATTACK ON ALIPHATIC ALCOHOLS IN AQUEOUS-SOLUTION
ASMUS, KD
MOCKEL, H
HENGLEIN, A
[J]. JOURNAL OF PHYSICAL CHEMISTRY, 1973, 77 (10) : 1218 - 1221
[4] Pathways to ultra-low platinum group metal catalyst loading in proton exchange membrane electrolyzers
Ayers, Katherine E.
Renner, Julie N.
Danilovic, Nemanja
Wang, Jia X.
Zhang, Yu
Maric, Radenka
Yu, Haoran
[J]. CATALYSIS TODAY, 2016, 262 : 121 - 132
[5] POWER MEASUREMENT IN SONOCHEMISTRY
CONTAMINE, RF
WILHELM, AM
BERLAN, J
DELMAS, H
[J]. ULTRASONICS SONOCHEMISTRY, 1995, 2 (01) : S43 - S47
[6] Comparison of characterization methods in high frequency sonochemical reactors of differing configurations
d'Auzay, Samuel de La Rochebrochard
Blais, Jean-Francois
Naffrechoux, Emmanuel
[J]. ULTRASONICS SONOCHEMISTRY, 2010, 17 (03) : 547 - 554
[7] Effect of ultrasonic frequency on H2O2 sonochemical formation rate in aqueous nitric acid solutions in the presence of oxygen
Dalodiere, Elodie
Virot, Matthieu
Moisy, Philippe
Nikitenko, Sergey I.
[J]. ULTRASONICS SONOCHEMISTRY, 2016, 29 : 198 - 204
[8] Ex-situ dispersion of core-shell nanoparticles of Cu-Pt on an in situ modified carbon surface and their enhanced electrocatalytic activities
Dhavale, Vishal M.
Unni, Sreekuttan M.
Kagalwala, Husain N.
Pillai, Vijayamohanan K.
Kurungot, Sreekumar
[J]. CHEMICAL COMMUNICATIONS, 2011, 47 (13) : 3951 - 3953
[9] Comparison of Pt-Cu/C with Benchmark Pt-Co/C: Metal Dissolution and Their Surface Interactions
Gatalo, Matija
Jovanovic, Primoz
Petek, Ursa
Sala, Martin
Selih, Vid Simon
Ruiz-Zepeda, Francisco
Bele, Marjan
Hodnik, Nejc
Gaberscek, Miran
[J]. ACS APPLIED ENERGY MATERIALS, 2019, 2 (05) : 3131 - 3141
[10] Frequency controlled agglomeration of pt-nanoparticles in sonochemical synthesis
Hansen, Henrik E.
Seland, Frode
Sunde, Svein
Burheim, Odne S.
Pollet, Bruno G.
[J]. ULTRASONICS SONOCHEMISTRY, 2022, 85

← 1 2 3 →