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Journal ArticleDOI

H/sub 2/ photoproduction by Nafion/CdS/Pt films in H/sub 2/O/S/sup 2 -/ solutions

TLDR
In this article, a novel system for photocatalytic hydrogen generation that comprises semiconductor (CdS) crystallites embedded in a polymer (Nafion) matrix that also contains a hydrogen-evolution catalyst (Pt) is reported.
Abstract
The construction, characterization, and evaluation of a novel system for photocatalytic hydrogen generation that comprises semiconductor (CdS) crystallites embedded in a polymer (Nafion) matrix that also contains a hydrogen-evolution catalyst (Pt) are reported. Hydrogen-production efficiencies from water containing a sacrificial electron donor (sulfide ion) were greater than those commonly obtained with unsupported colloidal or powdered semiconductors under similar conditions. Several factors dramatically influence performance: the crystalline form and surface composition of the semiconductor and the extent of catalyst dispersion throughout the film.

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Journal ArticleDOI

Understanding TiO2 photocatalysis: mechanisms and materials.

TL;DR: This paper presents a meta-analyses of the chiral stationary phase transition of Na6(CO3)(SO4)2, Na2SO4, and Na2CO3 of the Na2O/Na2O 2 mixture at the stationary phase and shows clear patterns in the response of these two materials to each other.
Journal ArticleDOI

Nanocomposite Materials for Optical Applications

TL;DR: A substantial amount of work has been carried out in the area of nanocomposite materials for optical applications as discussed by the authors, which are typically constructed by embedding an optically functional phase into a processable, transparent matrix material.
Journal ArticleDOI

Semiconductor-Based Composite Materials: Preparation, Properties, and Performance

TL;DR: In this paper, the authors highlight the advances that have been made and identify some of the gaps in our current knowledge of these materials and discuss size quantization effects and semiconductor quantum dots.
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