Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 113, Issue 25, Pages 10962-10966Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp904343s
Keywords
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Funding
- NSF [CBET-0744040]
- NSF-EPSCoR [2002-593 TO 0057]
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [0744040] Funding Source: National Science Foundation
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We report on the adsorption of CdSe/ZnS quantum dots and its effects on algal photosynthesis. A logarithmic trend was established for the adsorption process using UV-vis spectrophotometry, with Freundlich constants determined as k = 0.588 ppm(1-n) and n = 0.629. Both our CO2 depletion and O-2 production assays showed a significantly inhibited photosynthetic activity of the algae exposed to the quantum dots, suggesting the potential impact of nanoparticle adsorption on the photochemistry of plant species.
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