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Development of coacervates for additive manafacturing/3D printing of photonic materials

Grant number: 18/06426-3
Support Opportunities:Scholarships in Brazil - Doctorate (Direct)
Effective date (Start): May 01, 2018
Effective date (End): January 31, 2023
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Inorganic Chemistry
Principal Investigator:Younes Messaddeq
Grantee:Gabriel Toshiaki Tayama
Host Institution: Instituto de Química (IQ). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil
Associated research grant:15/22828-6 - Pushing the boundaries of optical fibers: from photonics to optogenetics and environmental monitoring, AP.SPEC
Associated scholarship(s):19/24367-7 - Additive manufacturing of functional aluminum phosphate hybrid materials for optical waveguides, BE.EP.DD


Additive manufacturing and 3D printing are becoming everyday more and more strategic for the fabrication of complex materials in terms of architecture and nature. These new ways of fabricating materials are offering innovative approaches for designing material and devices hardly feasible with classical approaches at reduced cost, occupying a strategic technological position towards economic progress in developing countries. In the last ten years, most of the efforts have been devoted to metals and polymers. It is only recently that attention is given on wide band gap inorganic materials, composites and hybrids. Very few investigations have been devoted to optical materials to date and 3D printing glass is still an emerging technological area of great interest. The purpose of this project is to develop polyphosphates coacervates based ink for 3D printing of phosphate glasses, further exploring applications in photonic structures. So far, 3D printing of glasses only employed soda-lime or pure silica glasses and no approach for other compositions has been reported. Phosphate glasses are of special interest in photonics and biomedical application due to their low viscosity, low melting temperature and biocompatibility/bioactivity properties. Furthermore, 3D printing in glasses could be a powerful all purpose manufacture technique towards structured pre-forms for optical fibers, scaffolds for bioapplications and microfluidics. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
TAYAMA, GABRIEL TOSHIAKI; SANTAGNELI, SILVIA HELENA; ECKERT, HELLMUT; PAWSEY, SHANE; MESSADDEQ, YOUNES. Preparation and Structural Characterization of New Photopolymerizable Transparent Aluminum-Phosphate Hybrid Materials as Resins for 3D Printing. Journal of Physical Chemistry C, v. 124, n. 46, p. 25621-25631, . (18/24735-3, 15/22828-6, 18/06426-3)
TAYAMA, GABRIEL TOSHIAKI; MESSADDEQ, SANDRA HELENA; SANTAGNELI, SILVIA HELENA; MESSADDEQ, YOUNES. Correlation between Critical Energy, Penetration Depth, and Photopolymerization Kinetics in Aluminum-Phosphate-Silicate Hybrid Materials for Vat Photopolymerization. MACROMOLECULES, v. 56, n. 11, p. 13-pg., . (18/24735-3, 18/06426-3)
TAYAMA, GABRIEL TOSHIAKI; SANTAGNELI, SILVIA HELENA; DE OLIVEIRA JR, MARCOS; MESSADDEQ, YOUNES. Understanding the Microstructure Connectivity in Photopolymerizable Aluminum-Phosphate-Silicate Sol-Gel Hybrid Materials for Additive Manufacturing. Journal of Physical Chemistry C, v. N/A, p. 14-pg., . (18/24735-3, 15/22828-6, 18/06426-3)

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