Scholarship 16/17826-7 - Microeletrônica, Células solares - BV FAPESP
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Fabrication of MOS solar cells using structures Al/TiO2/SiO2/Si

Grant number: 16/17826-7
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Start date until: March 01, 2017
End date until: February 28, 2019
Field of knowledge:Engineering - Electrical Engineering - Electrical Materials
Agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Sebastiao Gomes dos Santos Filho
Grantee:William Chiappim Junior
Host Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

The development of solar cells of low cost and high efficiency will have wide application in the context of distributed energy, especially for energy supplying in places isolated and far from the power grid. Moreover, solar cells offer the advantages of not consuming fossil fuel, produce no pollution or environmental contamination, have long life, are resistant to extreme weather conditions, have no moving parts requiring maintenance and they allow also the increase of the installed power by incorporating additional modules. In order to reach utmost performance, the solar cell technology must excel in three key areas: cost reduction, increased efficiency and durability. Aiming at this purpose, MOS solar cells has been receiving great attention due to its mounting simplicity and low cost. The present project is focused on manufacturing, optimization and characterization of MOS solar cells employing an alternative structure of multi layers, of the type Al/TiO2/SiO2/Si. For this purpose, theoretical and experimental studies will be performed on the Al/TiO2/SiO2 structures grown on silicon substrates with large areas (4cm x 4cm), already close to commercial dimensions. MOS solar cell prototypes will be manufactured and characterized, regarding their efficiency, using IxV and CxV measurement equipment and commercial solar simulator. The development steps include the analyses of the photovoltaic parameters (background current, short circuit current, open circuit voltage, fill factor and efficiency) for various conditions and geometry of processing aiming to optimize and obtain the best manufacturing conditions of the MOS solar cells with area up to 80cm2 on 4inches silicon wafers. (AU)

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Scientific publications (7)
(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)
DIAS, V. M.; CHIAPPIM, W.; FRAGA, M. A.; MACIEL, H. S.; MARCIANO, F. R.; PESSOA, R. S.. Atomic layer deposition of TiO2 and Al2O3 thin films for the electrochemical study of corrosion protection in aluminum alloy cans used in beverage. MATERIALS RESEARCH EXPRESS, v. 7, n. 7, . (18/01265-1, 14/18139-8, 16/17826-7)
SANTOS, FERNANDO L. N.; WATANABE, MARCOS N.; CHIAPPIM JUNIOR, WILLIAM; DOS SANTOS FILHO, SEBASTIAO G.; MARTINO, JOAO A.; IEEE. Bifacial Tandem Solar Panels with MOS Cells on the Backside for Applications in Deserts. 2019 34TH SYMPOSIUM ON MICROELECTRONICS TECHNOLOGY AND DEVICES (SBMICRO 2019), v. N/A, p. 4-pg., . (16/17826-7)
WATANABE, MARCOS N.; CHIAPPIM JUNIOR, WILLIAM; CHRISTIANO, VERONICA; DOS SANTOS FILHO, SEBASTIAO G.; IEEE. MOS solar cells for indoor LED energy harvesting: influence of the grating geometry and the thickness of the gate dielectrics. 2019 34TH SYMPOSIUM ON MICROELECTRONICS TECHNOLOGY AND DEVICES (SBMICRO 2019), v. N/A, p. 4-pg., . (16/17826-7)
NASCIMENTO, LARISSA; GASI, FERNANDO; LANDERS, RICHARD; DA SILVA SOBRINHO, ARGEMIRO; ARAGAO, EDUARDO; FRAGA, MARIANA; PETRACONI, GILBERTO; CHIAPPIM, WILLIAM; PESSOA, RODRIGO. Physicochemical Studies on the Surface of Polyamide 6.6 Fabrics Functionalized by DBD Plasmas Operated at Atmospheric and Sub-Atmospheric Pressures. POLYMERS, v. 12, n. 9, p. 17-pg., . (15/23315-2, 16/17826-7, 18/01265-1)
CHIAPPIM, WILLIAM; FRAGA, MARIANA AMORIM; MACIEL, HOMERO SANTIAGO; PESSOA, RODRIGO SAVIO. An Experimental and Theoretical Study of the Impact of the Precursor Pulse Time on the Growth Per Cycle and Crystallinity Quality of TiO2 Thin Films Grown by ALD and PEALD Technique. FRONTIERS IN MECHANICAL ENGINEERING-SWITZERLAND, v. 6, . (16/17826-7, 18/01265-1, 11/50773-0)
CHIAPPIM, WILLIAM; WATANABE, MARCOS; DIAS, VANESSA; TESTONI, GIORGIO; RANGEL, RICARDO; FRAGA, MARIANA; MACIEL, HOMERO; DOS SANTOS FILHO, SEBASTIAO; PESSOA, RODRIGO. MOS Capacitance Measurements for PEALD TiO2 Dielectric Films Grown under Different Conditions and the Impact of Al2O3 Partial-Monolayer Insertion. NANOMATERIALS, v. 10, n. 2, . (18/01265-1, 15/05956-0, 11/50773-0, 15/10876-6, 16/17826-7)
WATANABE, MARCOS NORIO; CHIAPPIM JUNIOR, WILLIAM; CHRISTIANO, VERONICA; IZUMI, FABIO; DOS SANTOS FILHO, SEBASTIAO GOMES; IEEE. Fabrication and Electrical Characterization of MOS Solar Cells for Energy Harvesting. 2018 33RD SYMPOSIUM ON MICROELECTRONICS TECHNOLOGY AND DEVICES (SBMICRO), v. N/A, p. 4-pg., . (16/17826-7)

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