Dissociative reactions of [Au25(SR)18]− at copper oxide nanoparticles and formation of aggregated nanostructures

Jayoti Roy; Biswajit Mondal; Gaurav Vishwakarma; Nonappa Nonappa; Nishanthi Vasanthi Sridharan; Pattabiraman Krishnamurthi; Thalappil Pradeep

doi:10.1039/d3nr00897e

Dissociative reactions of [Au₂₅(SR)₁₈]⁻ at copper oxide nanoparticles and formation of aggregated nanostructures

Jayoti Roy, Biswajit Mondal, Gaurav Vishwakarma, Nonappa, Nishanthi Vasanthi Sridharan, Pattabiraman Krishnamurthi, Thalappil Pradeep

Materials Science and Environmental Engineering

Research output: Contribution to journal › Article › Scientific › peer-review

7 Citations (Scopus)

Abstract

Reactions between nanoclusters (NCs) have been studied widely in the recent past, but such processes between NCs and metal-oxide nanoparticles (NPs), belonging to two different size ranges, have not been explored earlier. For the first time, we demonstrate the spontaneous reactions between an atomically precise NC, [Au₂₅(PET)₁₈]⁻ (PET = 2-phenylethanethiolate), and polydispersed copper oxide nanoparticles with an average diameter of 50 nm under ambient conditions. These interparticle reactions result in the formation of alloy NCs and copper-doped NC fragments, which assemble to form nanospheres at the end of the reaction. High-resolution electrospray ionization mass spectrometry (ESI MS), transmission electron microscopy (HR-TEM), electron tomography, and X-ray photoelectron spectroscopy (XPS) studies were performed to understand the structures formed. The results from our study show that interparticle reactions can be extended to a range of chemical systems, leading to diverse alloy NCs and self-assembled colloidal superstructures.

Original language	English
Pages (from-to)	8225-8234
Journal	Nanoscale
Volume	15
Issue number	18
DOIs	https://doi.org/10.1039/d3nr00897e
Publication status	Published - 2023
Publication type	A1 Journal article-refereed

Publication forum classification

Publication forum level 3

ASJC Scopus subject areas

General Materials Science

Access to Document

10.1039/d3nr00897e

Red Labs for soft photonic, robotic and energy materials
Priimägi, A. (Contact), Vivo, P. (Contact) & Nonappa, N. (Contact)
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Cite this

@article{b259674570a84787846d7a727b6abbdf,

title = "Dissociative reactions of [Au25(SR)18]− at copper oxide nanoparticles and formation of aggregated nanostructures",

abstract = "Reactions between nanoclusters (NCs) have been studied widely in the recent past, but such processes between NCs and metal-oxide nanoparticles (NPs), belonging to two different size ranges, have not been explored earlier. For the first time, we demonstrate the spontaneous reactions between an atomically precise NC, [Au25(PET)18]− (PET = 2-phenylethanethiolate), and polydispersed copper oxide nanoparticles with an average diameter of 50 nm under ambient conditions. These interparticle reactions result in the formation of alloy NCs and copper-doped NC fragments, which assemble to form nanospheres at the end of the reaction. High-resolution electrospray ionization mass spectrometry (ESI MS), transmission electron microscopy (HR-TEM), electron tomography, and X-ray photoelectron spectroscopy (XPS) studies were performed to understand the structures formed. The results from our study show that interparticle reactions can be extended to a range of chemical systems, leading to diverse alloy NCs and self-assembled colloidal superstructures.",

author = "Jayoti Roy and Biswajit Mondal and Gaurav Vishwakarma and Nonappa and {Vasanthi Sridharan}, Nishanthi and Pattabiraman Krishnamurthi and Thalappil Pradeep",

note = "Funding Information: We thank the Department of Science and Technology, Government of India, for supporting our research programme. J. R. and G. V. thank IIT Madras for the doctoral research fellowships. B. M. thanks IIT Madras for the postdoctoral fellowship. N. V. S. thanks the Pradeep Research Group for a summer project opportunity. T. P. acknowledges funding from the Centre of Excellence on Molecular Materials and Functions under the Institution of Eminence scheme of IIT Madras. N. acknowledges the Academy of Finland project funding (no. 352900), the Photonics Research and Innovation (PREIN) flagship and facilities at the OtaNano-Nanomicroscopy Center (Aalto-NMC). Publisher Copyright: {\textcopyright} 2023 The Royal Society of Chemistry.",

year = "2023",

doi = "10.1039/d3nr00897e",

language = "English",

volume = "15",

pages = "8225--8234 ",

journal = "Nanoscale",

issn = "2040-3364",

publisher = "Royal Society of Chemistry",

number = "18",

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TY - JOUR

T1 - Dissociative reactions of [Au25(SR)18]− at copper oxide nanoparticles and formation of aggregated nanostructures

AU - Roy, Jayoti

AU - Mondal, Biswajit

AU - Vishwakarma, Gaurav

AU - Nonappa, null

AU - Vasanthi Sridharan, Nishanthi

AU - Krishnamurthi, Pattabiraman

AU - Pradeep, Thalappil

N1 - Funding Information: We thank the Department of Science and Technology, Government of India, for supporting our research programme. J. R. and G. V. thank IIT Madras for the doctoral research fellowships. B. M. thanks IIT Madras for the postdoctoral fellowship. N. V. S. thanks the Pradeep Research Group for a summer project opportunity. T. P. acknowledges funding from the Centre of Excellence on Molecular Materials and Functions under the Institution of Eminence scheme of IIT Madras. N. acknowledges the Academy of Finland project funding (no. 352900), the Photonics Research and Innovation (PREIN) flagship and facilities at the OtaNano-Nanomicroscopy Center (Aalto-NMC). Publisher Copyright: © 2023 The Royal Society of Chemistry.

PY - 2023

Y1 - 2023

N2 - Reactions between nanoclusters (NCs) have been studied widely in the recent past, but such processes between NCs and metal-oxide nanoparticles (NPs), belonging to two different size ranges, have not been explored earlier. For the first time, we demonstrate the spontaneous reactions between an atomically precise NC, [Au25(PET)18]− (PET = 2-phenylethanethiolate), and polydispersed copper oxide nanoparticles with an average diameter of 50 nm under ambient conditions. These interparticle reactions result in the formation of alloy NCs and copper-doped NC fragments, which assemble to form nanospheres at the end of the reaction. High-resolution electrospray ionization mass spectrometry (ESI MS), transmission electron microscopy (HR-TEM), electron tomography, and X-ray photoelectron spectroscopy (XPS) studies were performed to understand the structures formed. The results from our study show that interparticle reactions can be extended to a range of chemical systems, leading to diverse alloy NCs and self-assembled colloidal superstructures.

AB - Reactions between nanoclusters (NCs) have been studied widely in the recent past, but such processes between NCs and metal-oxide nanoparticles (NPs), belonging to two different size ranges, have not been explored earlier. For the first time, we demonstrate the spontaneous reactions between an atomically precise NC, [Au25(PET)18]− (PET = 2-phenylethanethiolate), and polydispersed copper oxide nanoparticles with an average diameter of 50 nm under ambient conditions. These interparticle reactions result in the formation of alloy NCs and copper-doped NC fragments, which assemble to form nanospheres at the end of the reaction. High-resolution electrospray ionization mass spectrometry (ESI MS), transmission electron microscopy (HR-TEM), electron tomography, and X-ray photoelectron spectroscopy (XPS) studies were performed to understand the structures formed. The results from our study show that interparticle reactions can be extended to a range of chemical systems, leading to diverse alloy NCs and self-assembled colloidal superstructures.

U2 - 10.1039/d3nr00897e

DO - 10.1039/d3nr00897e

M3 - Article

AN - SCOPUS:85153209852

SN - 2040-3364

VL - 15

SP - 8225

EP - 8234

JO - Nanoscale

JF - Nanoscale

IS - 18

ER -