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Microfluidic Construction of Hierarchically Composite Superballs for Sensing Applications

1
BIOS/Lab on a Chip Group, MESA+ Institute for Nanotechnology, University of Twente, Drienerlolaan 5, 7522 NB Enschede, The Netherlands
2
National Center for International Research on Green Optoelectronics & South China Academy of Advanced Optoelectronics, South China Normal University, 510006 Guangzhou, China
*
Authors to whom correspondence should be addressed.
Presented at the Eurosensors 2018 Conference, Graz, Austria, 9–12 September 2018.
Proceedings 2018, 2(13), 750; https://doi.org/10.3390/proceedings2130750
Published: 30 November 2018
(This article belongs to the Proceedings of EUROSENSORS 2018)
Colloidal photonic crystals have attracted much attention of the scientific world due to their unique optical properties and potential applications in sensing, displays, optoelectronics, controlled superwetting and other fields. Here we report the fabrication of spherical colloidal photonic crystals featured with well-ordered nanopatterns from silica nanoparticles (SiO2NPs) and gold nanoparticles (AuNPs) through a droplet-based microfluidic approach. The colloidal crystals show both the photonic band gaps (PBG) and surface plasmonic resonance (SPR) properties. These proposed hierarchically composite ‘superballs’ will have an excellent performance in sensing applications, due to the fast response (the scattering color change) to the dielectric properties of the surrounding medium. A robust and efficient strategy is proposed and demonstrated to fabricate the composite superballs with multifunctional properties, broadening the perspective of their applications by the advantages of precise control over the size of the particles and flexible change of the fluid composition.
Keywords: photonic crystal; photonic band gaps; surface plasmonic resonance; composite superball photonic crystal; photonic band gaps; surface plasmonic resonance; composite superball
MDPI and ACS Style

Wang, J.; Shui, L.; Segerink, L.I.; Eijkel, J.C.T. Microfluidic Construction of Hierarchically Composite Superballs for Sensing Applications. Proceedings 2018, 2, 750. https://doi.org/10.3390/proceedings2130750

AMA Style

Wang J, Shui L, Segerink LI, Eijkel JCT. Microfluidic Construction of Hierarchically Composite Superballs for Sensing Applications. Proceedings. 2018; 2(13):750. https://doi.org/10.3390/proceedings2130750

Chicago/Turabian Style

Wang, Juan; Shui, Lingling; Segerink, Loes I.; Eijkel, Jan C. T. 2018. "Microfluidic Construction of Hierarchically Composite Superballs for Sensing Applications" Proceedings 2, no. 13: 750. https://doi.org/10.3390/proceedings2130750

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