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Nanocrystalline luminescent materials: new chemical concepts for energy conversion and sustainability

Grant number: 16/07706-4
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): July 01, 2016
Effective date (End): November 30, 2019
Field of knowledge:Physical Sciences and Mathematics - Physics
Principal Investigator:Andrea Simone Stucchi de Camargo Alvarez Bernardez
Grantee:Kassio Papi da Silva Zanoni
Home Institution: Instituto de Física de São Carlos (IFSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated research grant:13/07793-6 - CEPIV - Center for Teaching, Research and Innovation in Glass, AP.CEPID
Associated scholarship(s):18/05152-7 - Solution-processed charge-transport layers for efficient perovskite solar cells, BE.EP.PD

Abstract

Molecular devices for energy conversion are ascending renewable technologies that stand as promising strategies to reduce pollution and as alternative energy sources. In this project, nanocrystalline materials, such as Ir(III) complexes, nanocrystals and semiconductor oxides, will be developed for application in molecular devices aiming to a more efficient and sustainable energy conversion.Homo- and heteroleptic Ir(III) complexes will be synthesized according to molecular engineering concepts, with tuning of the emission color and quantum yield by control of excited state mixings. Particular emphasis will be given to the development of blue and red emitters with high quantum yields, looking for application in more-efficient luminescent devices, such as organic light-emitting diodes (OLEDs) and light-emitting electrochemical cells (LEECs). Wet and high-vacuum processes will be employed in their fabrication searching for efficient devices. Low-cost technologies that can lead to energy savings will be considered, as well. In parallel, photovoltaic devices based on nanocrystals and semiconductor oxides will be fabricated using contact and blocking layers to enhance charge-injections hence global conversion efficiencies.

Scientific publications (5)
(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)
ZANONI, KASSIO P. S.; VILELA, RAQUEL R. C.; SILVA, IGOR D. A.; MURAKAMI IHA, NEYDE Y.; ECKERT, HELLMUT; DE CAMARGO, ANDREA S. S. Photophysical Properties of Ir(III) Complexes Immobilized in MCM-41 via Templated Synthesis. Inorganic Chemistry, v. 58, n. 8, p. 4962-4971, APR 15 2019. Web of Science Citations: 0.
ZANONI, KASSIO P. S.; RAVARO, LEANDRO P.; DE CAMARGO, ANDREA S. S. Host-guest luminescent materials based on highly emissive species loaded into versatile sol-gel hosts. DALTON TRANSACTIONS, v. 47, n. 37, p. 12813-12826, OCT 7 2018. Web of Science Citations: 1.
IGOA, FERNANDO; MARTINEZ, SEBASTIAN; ZANONI, KASSIO P. S.; CASTIGLIONI, JORGE; SUESCUN, LEOPOLDO; GONZALEZ-PLATAS, JAVIER; DE CAMARGO, ANDREA S. S.; KREMER, CARLOS; TORRES, JULIA. Polymorphism and luminescence properties of heteropolynuclear metal-organic frameworks containing oxydiacetate as linker. CrystEngComm, v. 20, n. 34, p. 4942-4953, SEP 14 2018. Web of Science Citations: 1.
GRUNER, MALTE C.; ZANONI, KASSIO P. S.; BORGOGNONI, CAMILA F.; MELO, CRISTIANE C.; ZUCOLOTTO, VALTENCIR; DE CAMARGO, ANDREA S. S. Reaching Biocompatibility with Nanoclays: Eliminating the Cytotoxicity of Ir(III) Complexes. ACS APPLIED MATERIALS & INTERFACES, v. 10, n. 32, p. 26830-26834, AUG 15 2018. Web of Science Citations: 2.
ZANONI, KASSIO P. S.; ITO, AKITAKA; GRUNER, MALTE; IHA, NEYDE Y. MURAKAMI; DE CAMARGO, ANDREA S. S. Photophysical dynamics of the efficient emission and photosensitization of [Ir(pqi)(2)(NN)](+) complexes. DALTON TRANSACTIONS, v. 47, n. 4, p. 1179-1188, JAN 28 2018. Web of Science Citations: 7.

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