6533b7d7fe1ef96bd1269072
RESEARCH PRODUCT
Charging a Capacitor from an External Fluctuating Potential using a Single Conical Nanopore
Vicente GomezWolfgang EnsingerSaima NasirMubarak AliJavier CerveraPatricio RamirezSalvador Mafesubject
BioelectronicsMultidisciplinaryMaterials scienceNanostructurebusiness.industryElectrolyteConical surfaceBioinformaticsArticleElectrochemical celllaw.inventionTransductionNanoporeCapacitorlawIon channelsFISICA APLICADADevicesOptoelectronicsEnergy transformationbusinessdescription
We explore the electrical rectification of large amplitude fluctuating signals by an asymmetric nanostructure operating in aqueous solution. We show experimentally and theoretically that a load capacitor can be charged to voltages close to 1 V within a few minutes by converting zero time-average potentials of amplitudes in the range 0.5–3 V into average net currents using a single conical nanopore. This process suggests that significant energy conversion and storage from an electrically fluctuating environment is feasible with a nanoscale pore immersed in a liquid electrolyte solution, a system characteristic of bioelectronics interfaces, electrochemical cells, and nanoporous membranes.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2015-04-01 | Scientific Reports |