Scholarship 16/25900-2 - Fontes alternativas de energia - BV FAPESP
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Development of perovskite solar cells

Grant number: 16/25900-2
Support Opportunities:Scholarships in Brazil - Master
Start date: August 01, 2017
End date: September 30, 2018
Field of knowledge:Engineering - Materials and Metallurgical Engineering
Agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:André Sarto Polo
Grantee:Elaine Teixeira Veiga
Host Institution: Centro de Ciências Naturais e Humanas (CCNH). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil

Abstract

During the last few years, researches in solar cells are considering a new technology to convert solar energy into electricity. Perovskite Solar Cells (PSCs) have been attracting much attention since it has improved its power conversion efficiency from 4% to more than 20% in just 6 years. The organic-inorganic hybrid perovskites are the most common on this application since they show interesting properties such as high charge mobility of electrons and holes. The knowledge of these characteristics allowed the development of different architectures for these devices. Despite their high efficiency values achieved, PSCs still show stability problems and hysteresis. In order to increase their stability and efficiency and decrease/eliminate their hysteresis different techniques of film deposition on the device have been explored along with fundamental investigations such as the influence of film characteristics on the solar cells behavior. The quality of perovskite films, charge transport layers and its interfaces are fundamental factors for developing high quality devices. Studies with different materials on charge transport layers as well as the introduction of addictive and the optimization of their thickness are important to improve its charge transport properties and to understand factors that have influence on PSCs performance and stability. In this project, the development of PSCs will be initiated in our group aiming to reach similar performance to those reported on the literature and high reproducibility. The following step is to evaluate the effect of modification on charge transport layers of PSCs on their performance and hysteresis. (AU)

News published in Agência FAPESP Newsletter about the scholarship:
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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)
VEIGA, ELAINE TEIXEIRA; FERNANDES, SILVIA LETICIA; DE OLIVEIRA GRAEFF, CARLOS FREDERICO; POLO, ANDRE SARTO. Compact TiO2 blocking-layer prepared by LbL for perovskite solar cells. Solar Energy, v. 214, p. 510-516, . (16/25900-2, 19/23277-4, 16/21993-6, 13/07296-2)
VEIGA, ELAINE TEIXEIRA; MUELLER, ANDRESSA VIDAL; RAMOS, LUIZ DUARTE; MORELLI FRIN, KARINA PASSALACQUA; POLO, ANDRE SARTO. Interrelationship between the Ancillary Ligand Structure, Acid-Base Properties, and TiO2 Surface Coverage of Ru-II Dyes. European Journal of Inorganic Chemistry, n. 23, p. 2680-2688, . (16/21993-6, 16/25900-2, 17/18063-0, 16/24020-9)
VEIGA, ELAINE TEIXEIRA; MUELLER, ANDRESSA VIDAL; RAMOS, LUIZ DUARTE; MORELLI FRIN, KARINA PASSALACQUA; POLO, ANDRE SARTO. Interrelationship between the Ancillary Ligand Structure, Acid-Base Properties, and TiO2 Surface Coverage of Ru-II Dyes. European Journal of Inorganic Chemistry, v. N/A, n. 23, p. 9-pg., . (16/25900-2, 17/18063-0, 16/24020-9, 16/21993-6)