Heterometallic antenna−reactor complexes for photocatalysis
Abstract
Plasmon-enhanced photocatalysis holds significant promise for controlling chemical reaction rates and outcomes. Unfortunately, traditional plasmonic metals have limited surface chemistry, while conventional catalysts are poor optical absorbers. By placing a catalytic reactor particle adjacent to a plasmonic antenna, the highly efficient and tunable light-harvesting capacities of plasmonic nanoparticles can be exploited to drastically increase absorption and hot-carrier generation in the reactor nanoparticles. We demonstrate this antenna−reactor concept by showing that plasmonic aluminum nanocrystal antennas decorated with small catalytic palladium reactor particles exhibit dramatically increased photocatalytic activity over their individual components. The modularity of this approach provides for independent control of chemical and light-harvesting properties and paves the way for the rational, predictive design of efficient plasmonic photocatalysts.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Jul 21, 2016
- Source ID
- 10.1073/pnas.1609769113
Entities
People
- Caroline M. Krauter
- Chao Zhang
- Dayne F. Swearer
- Emilie Ringe
- Emily A. Carter
- Hangqi Zhao
- Hossein Robatjazi
- John Mark P. Martirez
- Linan Zhou
- Michael J. Mcclain
- Naomi J. Halas
- Peter Nordlander
- Sadegh Yazdi
Organizations
- Air Force Office of Scientific Research
- Princeton University
- Rice University
- Robert A. Welch Foundation