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Development of hybrid solar cells based on ZnO and Nb2O5 nanostructured films

Grant number: 12/07745-9
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): September 01, 2012
Effective date (End): April 30, 2016
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
Principal Investigator:Maria Aparecida Zaghete Bertochi
Grantee:Silvia Leticia Fernandes
Host Institution: Instituto de Química (IQ). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil
Associated research grant:08/57872-1 - National Institute for Materials Science in Nanotechnology, AP.TEM
Associated scholarship(s):14/23336-7 - Perovskite solar cells based on niobium oxide films, BE.EP.DR


The growing of interest in renewable and clean energy sources has accelerated the research aiming to make devices such as solar cells. A solar cell directly converts the energy from the sun into electrical energy. Currently, marketed devices are made from silicon wafers of high purity. Recently, with the discovery of organic solar cells, research has intensified and to resolve the problem of degradation of these cells appeared the hybrid and dye-sensitized solar cells. These devices appear to be promising for converting solar energy because they combine the properties of both materials, obtaining inorganic and organic properties that individually these materials does not has. Thus, the aim of this project is to manufacture hybrid and Grätzel solar cells from ZnO and Nb2O5. ZnO and Nb2O5 will be prepared in film form on which will be deposited organic material. The films will be structurally, morphologically and optically characterized. Once the parameters such as thickness, density and stability of the films are optimized, the devices will be mounted and electrically characterized to obtain the maximum efficiency. (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)
FERNANDES, SILVIA L.; VERON, ANNA C.; NETO, NILTON F. A.; NUESCH, FRANK A.; DIAS DA SILVA, JOSE H.; ZAGHETE, MARIA A.; GRAEFF, CARLOS F. DE O.. Nb2O5 hole blocking layer for hysteresis-free perovskite solar cells. Materials Letters, v. 181, p. 103-107, . (14/23336-7, 12/07745-9, 13/07296-2)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
FERNANDES, Silvia Leticia. Development of perovskite solar cells based in nanostructured oxides films. 2016. Doctoral Thesis - Universidade Estadual Paulista (Unesp). Faculdade de Ciências. Bauru Bauru.

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