Journal
JOURNAL OF MATERIALS RESEARCH
Volume 28, Issue 3, Pages 513-520Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1557/jmr.2012.367
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Funding
- NSF [EAR-0842555]
- Directorate For Geosciences
- Division Of Earth Sciences [0842555] Funding Source: National Science Foundation
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Simulations of TiO2 (both rutile and anatase) nanoparticles with water, methanol, and formic acid were conducted using a ReaxFF reactive force field to investigate the characteristic behavior of reactivity to these organic solvents. The force field was validated by comparing water dissociative adsorption percentage and bond length between Na and O with density functional theory (DFT) and experimental results. In the simulations, 1-nm rutile and anatase nanoparticles with water, methanol, and formic acid were used, respectively. The numbers of attached hydroxyl with time and nanoparticles distortion levels are presented. We found that the rutile nanoparticle is more reactive than the anatase nanoparticle and that formic acid distorts nanoparticles more than water and methanol.
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