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Title: Discovery of Photocatalysts for Hydrogen Production

Abstract

This project for DOE was designed to address these materials-related issues through a combination of high-throughput screening of semiconductor candidates and theoretical modeling of nanostructures. High-throughput screening is an effective and economical way to examine a large number of candidates and identify those worthy of further study. Unfortunately, in the course of this project, we discovered no semiconductor candidates that can meet the DOE’s stringent requirements for an economically feasible photoelectrochemical process. However, some of our results indicated that several systems may have potential if further optimized. In particular, the published theoretical modeling work indicates that core-shell nanorod structures, if properly engineered, have the potential to overcome the shortfalls of current semiconductors. Although the synthesis of the designed core-shell nanorod structures proved to be beyond the current capabilities of our laboratories, recent advances in the synthesis of core-shell nanorod structures imply that the designed structures can be synthesized. SRI is confident that once these materials are made they will validate our models and lead to economical and environmentally friendly hydrogen from sunlight and water. The high-throughput photolysis analysis module developed at SRI will also have utility in applications such as identifying catalysts for photo-assisted chemical detoxification, as well as non-photolyticmore » applications such as hydrogen storage, which can take advantage of the ability of the analysis module to monitor pressure over time.« less

Authors:
Publication Date:
Research Org.:
SRI International, Menlo Park, CA
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
908153
Report Number(s):
DOE/GO/11093-F
TRN: US200722%%502
DOE Contract Number:
FC36-01GO11093
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
08 HYDROGEN; 36 MATERIALS SCIENCE; 14 SOLAR ENERGY; CATALYSTS; DETOXIFICATION; HYDROGEN; HYDROGEN PRODUCTION; HYDROGEN STORAGE; MONITORS; NANOSTRUCTURES; PHOTOLYSIS; SYNTHESIS; WATER; Hydrogen Production; Photocatalysts; Photoelectrochemical; High-throughput screening; Semiconductors; Nanostructures

Citation Formats

D. Brent MacQueen. Discovery of Photocatalysts for Hydrogen Production. United States: N. p., 2006. Web. doi:10.2172/908153.
D. Brent MacQueen. Discovery of Photocatalysts for Hydrogen Production. United States. doi:10.2172/908153.
D. Brent MacQueen. Sun . "Discovery of Photocatalysts for Hydrogen Production". United States. doi:10.2172/908153. https://www.osti.gov/servlets/purl/908153.
@article{osti_908153,
title = {Discovery of Photocatalysts for Hydrogen Production},
author = {D. Brent MacQueen},
abstractNote = {This project for DOE was designed to address these materials-related issues through a combination of high-throughput screening of semiconductor candidates and theoretical modeling of nanostructures. High-throughput screening is an effective and economical way to examine a large number of candidates and identify those worthy of further study. Unfortunately, in the course of this project, we discovered no semiconductor candidates that can meet the DOE’s stringent requirements for an economically feasible photoelectrochemical process. However, some of our results indicated that several systems may have potential if further optimized. In particular, the published theoretical modeling work indicates that core-shell nanorod structures, if properly engineered, have the potential to overcome the shortfalls of current semiconductors. Although the synthesis of the designed core-shell nanorod structures proved to be beyond the current capabilities of our laboratories, recent advances in the synthesis of core-shell nanorod structures imply that the designed structures can be synthesized. SRI is confident that once these materials are made they will validate our models and lead to economical and environmentally friendly hydrogen from sunlight and water. The high-throughput photolysis analysis module developed at SRI will also have utility in applications such as identifying catalysts for photo-assisted chemical detoxification, as well as non-photolytic applications such as hydrogen storage, which can take advantage of the ability of the analysis module to monitor pressure over time.},
doi = {10.2172/908153},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Oct 01 00:00:00 EDT 2006},
month = {Sun Oct 01 00:00:00 EDT 2006}
}

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