期刊
ACS APPLIED NANO MATERIALS
卷 4, 期 9, 页码 8770-8780出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.1c01377
关键词
gold nanoparticles; free-radical photopolymerization; optical near-field radical photopolymerization; plasmonic nanosensors; hybrid nanoparticles
资金
- IdEx Unistra [ANR-10-IDEX0002]
- SFRI (STRAT'US project) [ANR-20-SFRI-0012]
- French Agence Nationale de la Recherche (project DYNABIO) [ANR-19CE19-0012]
- French Agence Nationale de la Recherche (3D-BEAM-FLEX) [ANR-20-CE24-0020]
- French Agence Nationale de la Recherche (NIRTRONIC) [ANR-18-CE24-0028]
- Agence Nationale de la Recherche (ANR) [ANR-20-CE24-0020] Funding Source: Agence Nationale de la Recherche (ANR)
This study utilized the localized surface plasmon resonance of gold nanoparticles to monitor photopolymerization at the nanoscale and demonstrated the potential of this approach in studying photoinduced nanofabrication processes. By observing the near-field coupling effect, the acceleration of the photoinduced reaction was effectively highlighted.
The localized surface plasmon resonance (LSPR) of Au nanoparticles (NPs) was used to monitor photopolymerization at the nanoscale by in situ monitoring the optical response of AuNPs during the light-induced polymerization process. To show the interest of this approach, two configurations were used, which correspond to a resonant and a nonresonant excitation regime between the photopolymer and the AuNPs used as nanoprobes. We show that not only this method enables the progress monitoring of the photopolymerization reaction at the nanometric scale but also can highlight the near-field coupling effect responsible for the acceleration of the photoinduced reaction. This methodology appears very interesting to study the photoinduced nanofabrication processes of metal/polymer hybrid nanoparticles and more globally to study the photopolymerization reactions at the nanometric scale.
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