Journal
POLYMERS
Volume 8, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/polym8090325
Keywords
multiphoton fabrication (MF); two-photon lithography (TPL); nanocomposite; gold nanoparticles; polymerisation; metal reduction; 3D printing; additive manufacturing
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Funding
- University of Nottingham by the Engineering and Physical Sciences Research Council (EPSRC) [EP/I033335/2]
- Air Force Office of Scientific Research (AFOSR) [FA9550-14-1-0048]
- EPSRC [EP/I033335/1, EP/I033335/2, EP/N006615/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I033335/2, EP/N006615/1, EP/I033335/1] Funding Source: researchfish
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Three-dimensional structures prepared from a gold-polymer composite formulation have been fabricated using multiphoton lithography. In this process, gold nanoparticles were simultaneously formed through photoreduction whilst polymerisation of two possible monomers was promoted. The monomers, trimethylopropane triacrylate (TMPTA) and pentaerythritol triacrylate (PETA) were mixed with a gold salt, but it was found that the addition of a ruthenium(II) complex enhanced both the geometrical uniformity and integrity of the polymerised/reduced material, enabling the first production of 3D gold-polymer structures by single step multiphoton lithography.
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