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Designing new supermolecules, films and devices in molecular nanotechnology


This proposal, submitted by the Supramolecular Nanotech Lab of IQ-USP, focuses on the development of new functional molecular systems and on the assembly of their corresponding films and nanostructured materials, aiming their applications in sensors, energy and electronic devices. The Research Group conducted by Profs. Henrique E. Toma and Koiti Araki, has been composed by 14 graduate and 5 undergraduate students, 2 post-doctoral researchers and 1 technical manager, and has been actively working on the supramolecular chemistry of porphyrins, porphyrazines and related macrocycles; metal clusters and metal-polyimine complexes, as well as on the many implications in bioinorganic chemistry and advanced materials. In addition to a strong emphasis on supramolecular design and synthetic chemistry, the group is deeply involved in the investigation of relevant spectroscopic, photochemical, electrochemical and catalytic properties, using a great variety of experimental techniques and theoretical tools. Such properties will be suitably exploited in the design of useful devices, e.g. amperometric sensors, photoelectrochemical cells, optodes and logic gates, based on their corresponding molecular films generated by dip coating, electrostatic assembly, electropofymerization or intercalation methods. Research on interfacial chemistry, physics and electrochemistry constitutes a strategic issue pursued in the present proposal. In this sense, specific investiments are being planned to provide a full capability in the area of thin films. In addition to the exciting perspectives envisaged in the field of molecular nanotechnology, our proposal is also directed a better understanding of fundamental aspects of nanosciences, and is currently in progress thanks to the renewed support of FAPESP. (AU)

Articles published in Agência FAPESP Newsletter about the research grant:
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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)

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Filed patent(s) as a result of this research project

SENSOR SERS COM NANOPARTÍCULAS DE SUPERFÍCIE MOLECULARMENTE FUNCIONALIZADA PI0900188-3 - Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) ; Universidade de São Paulo (USP) . Ronaldo Adriano Timm; Vitor De Moraes Zamarion; Koiti Araki; Henrique Eisi Toma - January 2009, 19

ANALISADOR POR INJEÇÃO EM FLUXO PI0905276-3 - Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) ; Universidade de São Paulo (USP) . Koiti Araki; Lúcio Angnes; Ivano Gebhardt Rolf Gutz; Henrique Eisi Toma; Paulo Roberto Martins; Fernando Silva Lopes - December 2009, 14

DETECTOR PARA ANÁLISE DE SULFITO PI1000602-8 - Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) ; Universidade de São Paulo (USP) . Henrique Eisi Toma; Sérgio Hiroshi Toma; Koiti Araki; Paulo Roberto Martins - March 2010, 05