Details
| Original language | English |
|---|---|
| Pages (from-to) | 48-58 |
| Number of pages | 11 |
| Journal | Optical Materials Express |
| Volume | 11 |
| Issue number | 1 |
| Publication status | Published - 7 Dec 2021 |
Abstract
The fabrication of accentuated gold microstructures is demonstrated by multi-photon photoreduction inside an anionic fluorophore-containing hydrogel. We attempted to facilitate gold-ion photoreduction near the focal point of laser pulses, expecting the donation of electrons by the oxidation of fluorophores in the vicinity of gold ions. The presence of anionic FITCdextran also inhibited the spontaneous reduction in untargeted zones, which is attributed to the coordination of gold ions and the anionic FITC-dextran. Simultaneous facilitation and inhibition are promising for the fabrication of dense metal microstructures in the targeted zone while maintaining the hydrogel's light permeability.
ASJC Scopus subject areas
- Materials Science(all)
- Electronic, Optical and Magnetic Materials
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In: Optical Materials Express, Vol. 11, No. 1, 07.12.2021, p. 48-58.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Anionic fluorophore-assisted fabrication of gold microstructures inside a hydrogel by multi-photon photoreduction
AU - Machida, Manan
AU - Shen, Weilu
AU - Onoe, Hiroaki
AU - Hiruta, Yuki
AU - Heisterkamp, Alexander
AU - Mazur, Eric
AU - Terakawa, Mitsuhiro
N1 - Funding Information: Ministry of Education, Culture, Sports, Science and Technology (MEXT) KAKENHI (JP18H03551); Japan Society for the Promotion of Science Grant-in-Aid for JSPS Fellows (JP20J13150).
PY - 2021/12/7
Y1 - 2021/12/7
N2 - The fabrication of accentuated gold microstructures is demonstrated by multi-photon photoreduction inside an anionic fluorophore-containing hydrogel. We attempted to facilitate gold-ion photoreduction near the focal point of laser pulses, expecting the donation of electrons by the oxidation of fluorophores in the vicinity of gold ions. The presence of anionic FITCdextran also inhibited the spontaneous reduction in untargeted zones, which is attributed to the coordination of gold ions and the anionic FITC-dextran. Simultaneous facilitation and inhibition are promising for the fabrication of dense metal microstructures in the targeted zone while maintaining the hydrogel's light permeability.
AB - The fabrication of accentuated gold microstructures is demonstrated by multi-photon photoreduction inside an anionic fluorophore-containing hydrogel. We attempted to facilitate gold-ion photoreduction near the focal point of laser pulses, expecting the donation of electrons by the oxidation of fluorophores in the vicinity of gold ions. The presence of anionic FITCdextran also inhibited the spontaneous reduction in untargeted zones, which is attributed to the coordination of gold ions and the anionic FITC-dextran. Simultaneous facilitation and inhibition are promising for the fabrication of dense metal microstructures in the targeted zone while maintaining the hydrogel's light permeability.
UR - http://www.scopus.com/inward/record.url?scp=85098718226&partnerID=8YFLogxK
U2 - 10.1364/OME.412066
DO - 10.1364/OME.412066
M3 - Article
AN - SCOPUS:85098718226
VL - 11
SP - 48
EP - 58
JO - Optical Materials Express
JF - Optical Materials Express
SN - 2159-3930
IS - 1
ER -