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Proceedings Paper

Analytical methods development for supramolecular design in solar hydrogen production
Author(s): J. R. Brown; M. Elvington; M. T. Mongelli; D. F. Zigler; K. J. Brewer
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Paper Abstract

In the investigation of alternative energy sources, specifically, solar hydrogen production from water, the ability to perform experiments with a consistent and reproducible light source is key to meaningful photochemistry. The design, construction, and evaluation of a series of LED array photolysis systems for high throughput photochemistry have been performed. Three array systems of increasing sophistication are evaluated using calorimetric measurements and potassium tris(oxalato)ferrate(II) chemical actinometry and compared with a traditional 1000 W Xe arc lamp source. The results are analyzed using descriptive statistics and analysis of variance (ANOVA). The third generation array is modular, and controllable in design. Furthermore, the third generation array system is shown to be comparable in both precision and photonic output to a 1000 W Xe arc lamp.

Paper Details

Date Published: 31 August 2006
PDF: 10 pages
Proc. SPIE 6340, Solar Hydrogen and Nanotechnology, 634017 (31 August 2006); doi: 10.1117/12.680961
Show Author Affiliations
J. R. Brown, Virginia Polytechnic Institute and State Univ. (United States)
M. Elvington, Virginia Polytechnic Institute and State Univ. (United States)
M. T. Mongelli, Virginia Polytechnic Institute and State Univ. (United States)
D. F. Zigler, Virginia Polytechnic Institute and State Univ. (United States)
K. J. Brewer, Virginia Polytechnic Institute and State Univ. (United States)


Published in SPIE Proceedings Vol. 6340:
Solar Hydrogen and Nanotechnology
Lionel Vayssieres, Editor(s)

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