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The Influence of Oxygen Content on the Thermal Activation of Hematite Nanowires | Synapse

March 13, 2012

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The Influence of Oxygen Content on the Thermal Activation of Hematite Nanowires

YLYichuan LingFlorida State University GWGongming WangUniversity of Science and Technology of China JRJay ReddyUniversity of California, Santa Cruz

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Resumen

Live wire: Thermal decomposition of β-FeOOH nanowires at 550 °C in an oxygen-deficient atmosphere generates highly photoactive hematite nanowires (N-hematite), which yielded a substantially enhanced photocurrent density, as compared to a hematite sample prepared in air (A-hematite). This enhanced photoactivity is attributed to the improved donor density of hematite nanowires, as a result of formation of oxygen vacancies.

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Cite This Study

Ling et al. (Tue,) studied this question.

synapsesocial.com/papers/6a0fe4b9d8c5cf602efd4e8f https://doi.org/https://doi.org/10.1002/anie.201107467