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- Title
InN/InGaN quantum dot electrochemical devices: new solutions for energy and health.
- Authors
Nötzel, Richard
- Abstract
A review is given of the exceptional electrochemical performance of epitaxial InN/InGaN quantum dots (QDs) as photoelectrodes for solar hydrogen generation by water splitting, as biosensor transducers and as anion-selective electrodes, and they are also evaluated as supercapacitor electrodes. The performance is benchmarked against the best performances of other reported materials and nanostructures. A model based on the unique interplay of surface and quantum properties is put forward to understand the boost of catalytic activity and anion selectivity interlinking quantum nanostructure physics with electrochemistry and catalysis. Of equal impact is the direct growth on cheap Si substrates without any buffer layers, allowing novel device designs and integration with Si technology. This makes the InN/InGaN QDs viable, opening up new application fields for III-nitride semiconductors.
- Subjects
QUANTUM dots; SUPERCAPACITOR electrodes; ELECTROCHEMISTRY
- Publication
National Science Review, 2017, Vol 4, Issue 2, p184
- ISSN
2095-5138
- Publication type
Article
- DOI
10.1093/nsr/nww101