Synthesis of porous polydimethylsiloxane gold nanoparticles composites by a single step laser ablation process

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F21%3A43923396" target="_blank" >RIV/60461373:22310/21:43923396 - isvavai.cz</a>

Result on the web

<a href="https://www.mdpi.com/1422-0067/22/22/12155/htm" target="_blank" >https://www.mdpi.com/1422-0067/22/22/12155/htm</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/ijms222212155" target="_blank" >10.3390/ijms222212155</a>

Result language

angličtina

Original language name

Synthesis of porous polydimethylsiloxane gold nanoparticles composites by a single step laser ablation process

Original language description

Typically, polymeric composites containing nanoparticles are realized by incorporating pre-made nanoparticles into a polymer matrix by using blending solvent or by the reduction of metal salt dispersed in the polymeric matrix. Generally, the production of pre-made Au NPs occurs in liquids with two-step processes: producing the gold nanoparticles first and then adding them to the liquid polymer. A reproducible method to synthetize Au nanoparticles (NPs) into polydimethylsiloxane (PDMS) without any external reducing or stabilizing agent is a challenge. In this paper, a single-step method is proposed to synthetize nanoparticles (NPs) and at the same time to realize reproducible porous and bulk composites using laser ablation in liquid. With this single-step process, the gold nanoparticles are therefore produced directly in the liquid polymer. The optical properties of the suspensions of AuNPs in distilled water and in the curing agent have been analyzed by the UV-VIS spectroscopy, employed in the transmission mode, and compared with those of the pure curing agent. The electrical dc conductivity of the porous PDMS/Au NPs nanocomposites has been evaluated by the I–V characteristics. Scanning electron microscopy (SEM) and energy dispersive X-ray (EDX) analysis have monitored the composition and morphology of the so-obtained composites and the size of the fabricated Au nanoparticles. Atomic force microscopy (AFM) has been used to determine the roughness of the bulk PDMS and its Au NP composites. © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).

Czech name

—

Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20501 - Materials engineering

Project

<a href="/en/project/GA19-02482S" target="_blank" >GA19-02482S: Ion beam writing synthesis of novel microstructures in advanced polymers and nanocomposites</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2021

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

International Journal of Molecular Sciences

ISSN

1661-6596

e-ISSN

—

Volume of the periodical

22

Issue of the periodical within the volume

22

Country of publishing house

CH - SWITZERLAND

Number of pages

11

Pages from-to

"12155/1"-11

UT code for WoS article

000726998300001

EID of the result in the Scopus database

2-s2.0-85118616484