Journal ArticleDOI
Dendrimers as nanoreactors to produce platinum nanoparticles embedded in layer-by-layer films for methanol-tolerant cathodes
Frank N. Crespilho,Fritz Huguenin,Valtencir Zucolotto,Paulo Olivi,Francisco Carlos Nart,Osvaldo N. Oliveira +5 more
TLDR
In this paper, a layer-by-layer (LbL) films of PAMAM dendrimers incorporating platinum nanoparticles (Pt-PAMAM) alternated with poly(vinylsulfonic acid) (PVS) were obtained via chemical reduction of H2PtCl6, using formic acid as reducing agent.About:
This article is published in Electrochemistry Communications.The article was published on 2006-02-01. It has received 60 citations till now. The article focuses on the topics: Platinum nanoparticles & Layer by layer.read more
Citations
More filters
Journal ArticleDOI
Layer-by-layer self-assembly and electrochemistry: Applications in biosensing and bioelectronics
TL;DR: The main aim in this review is to survey what can assist researchers by presenting various approaches currently used in the field of bioelectrochemistry utilising supramolecular architectures based on an LBL approach for application in electrochemical biosensing.
Journal ArticleDOI
Immobilization of biomolecules on nanostructured films for biosensing.
TL;DR: An overview of the use of nanostructured films in several types of biosensors, with emphasis on the advantageous control of molecular architecture which is typical of the layer-by-layer (LbL) and Langmuir-Blodgett films, is brought.
Journal ArticleDOI
A strategy for enzyme immobilization on layer-by-layer dendrimer-gold nanoparticle electrocatalytic membrane incorporating redox mediator
Frank N. Crespilho,Frank N. Crespilho,M. Emilia Ghica,Monica Florescu,Francisco C. Nart,Osvaldo N. Oliveira,Christopher M.A. Brett +6 more
TL;DR: In this paper, a new approach was described to produce nanostructured electrocatalytic membranes using a combination of three methods: layer-by-layer technique, PAMAM dendrimers with cobalt hexacyanoferrates-modified gold nanoparticles were alternated with poly(vinylsulfonic acid) layers on ITO (indium tin oxide) electrodes.
Journal ArticleDOI
Nafion/graphene oxide composite membranes for low humidifying polymer electrolyte membrane fuel cell
TL;DR: In this paper, in-situ Pt-graphene (Pt-G) nanoparticles were applied to graphene oxide (GO) using a microwave method, finally resulting in Pt-G composite membrane.
Journal ArticleDOI
An intravenous implantable glucose/dioxygen biofuel cell with modified flexible carbon fiber electrodes
Fernanda C. P. F. Sales,Rodrigo M. Iost,Marccus V. A. Martins,Maria Camila Almeida,Frank N. Crespilho +4 more
TL;DR: An intravenous implantable glucose/dioxygen hybrid enzyme-Pt micro-biofuel cell (BFC) was investigated and showed high electrocatalytic performance in vitro and in vivo experiments.
References
More filters
Journal ArticleDOI
Fuzzy Nanoassemblies: Toward Layered Polymeric Multicomposites
TL;DR: In this article, a general approach for multilayers by consecutive adsorption of polyanions and polycations has been proposed and has been extended to other materials such as proteins or colloids.
Journal ArticleDOI
Nanostructured materials for advanced energy conversion and storage devices
Antonino S. Aricò,Peter G. Bruce,Bruno Scrosati,Jean-Marie Tarascon,Jean-Marie Tarascon,Walter van Schalkwijk +5 more
TL;DR: This review describes some recent developments in the discovery of nanoelectrolytes and nanoeLECTrodes for lithium batteries, fuel cells and supercapacitors and the advantages and disadvantages of the nanoscale in materials design for such devices.
Book
Solid State Chemistry and its Applications
TL;DR: In this paper, the authors present a detailed description of the properties of solid state chemistry, including point groups, space groups, and crystal structure, as well as some factors which influence crystal structure.
Journal ArticleDOI
Methanol electrooxidation on well-characterized platinum-ruthenium bulk alloys
TL;DR: In this paper, the catalytic activity of single-phase polycrystalline Pt-Ru bulk alloys toward the electrooxidation of methanol in sulfuric acid electrolyte at room temperature was measured for the first time on well-characterized alloy surfaces, in terms of surface composition and true surface area.
Journal ArticleDOI
Preparation of highly dispersed Pt+Ru alloy clusters and the activity for the electrooxidation of methanol
TL;DR: In this article, the Pt + Ru binary catalyst has been developed which provides a simple way of obtaining a specific surface area (ca. 80 m2 g−1) more than 3 times larger than that obtained by conventional methods.