期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 136, 期 1, 页码 32-35出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja410465s
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资金
- University of Miami
- Air Force Office of Scientific Research
- Office of Basic Sciences, Materials Sciences and Engineering Division, U.S. Department of Energy
- NASA Kentucky EPSCoR
- National Research Council
Transitioning energy-intensive and environmentally intensive processes toward sustainable conditions is necessary in light of the current global condition. To this end, photocatalytic processes represent new approaches for H-2 generation; however, their application toward tandem catalytic reactivity remains challenging. Here, we demonstrate that metal oxide materials decorated with noble metal nanoparticles advance visible light photocatalytic activity toward new reactions not typically driven by light. For this, Pd nanoparticles were deposited onto Cu2O cubes to generate a composite structure. Once characterized, their hydrodehalogenation activity was studied via the reductive dechlorination of polychlorinated biphenyls. To this end, tandem catalytic reactivity was observed with H-2 generation via H2O reduction at the Cu2O surface, followed by dehalogenation at the Pd using the in situ generated H-2. Such results present methods to achieve sustainable catalytic technologies by advancing photocatalytic approaches toward new reaction systems.
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