| Grant number: | 19/26375-7 |
| Support Opportunities: | Scholarships in Brazil - Post-Doctoral |
| Start date until: | July 01, 2020 |
| End date until: | February 28, 2025 |
| Field of knowledge: | Physical Sciences and Mathematics - Physics - Condensed Matter Physics |
| Principal Investigator: | Osvaldo Novais de Oliveira Junior |
| Grantee: | Gustavo Gonçalves Dalkiranis Pereira |
| Host Institution: | Instituto de Física de São Carlos (IFSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil |
| Associated research grant: | 18/22214-6 - Towards a convergence of technologies: from sensing and biosensing to information visualization and machine learning for data analysis in clinical diagnosis, AP.TEM |
| Associated scholarship(s): | 21/12458-8 - Development of label-free biosensors based on graphene, BE.EP.PD |
Abstract New strategies and technologies for clean energy generation are essential for minimizing the effects of global warming and meeting growing energy demand, including for wearable devices containing sensors and biosensors. One possibility is to use thermoelectric materials to convert heat into electrical energy. In this project, a thermoelectric microgenerator made of conductive polymers will be produced to turn biosensors self-powered. To make an efficient microgenerator, a fundamental study will be carried out with a new measurement system to determine the Seebeck coefficient and the electrical conductivity of thermoelectric polymers. The experimental system will be validated by obtaining the Seebeck coefficient and the electrical conductivity of thin films of PEDOT:PSS, a polymer already known in the literature. The Seebeck coefficient and electrical conductivity values of the NDI-2Tz polymer synthesized by a partner in the project will also be measured. For a complete thermoelectric characterization and to determine the figure of merit (ZT), the thermal conductivity will be measured with the thermal mirror technique. PEDOT:PSS and NDI-2Tz will then be applied to a thermoelectric microgenerator on a flexible substrate, the microgenerator being characterized in terms of its efficiency and durability. The integration of the microgenerator with biosensors manufactured in flexible substrates will open a new line of research in the Bernhard Gross Polymer Group, as one of the expected contributions of this project. (AU) | |
| News published in Agência FAPESP Newsletter about the scholarship: | |
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