Taylor cones of ionic liquids from capillary tubes as sources of pure ions for electrical propulsion

D. Garoz, C. Bueno, Carlos Larriba-Andaluz, S. Castro, J. Fernandez De La Mora

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

The emissions of Taylor cones of a wide range of ionic liquids hove been tested in vacuo in tin attempt to identify what physical properties favor the purely ionic regime (PIR). This regime is well known in the case of Taylor cones of liquid metals. It has been previously observed in conventional (capillary tube) electrospray sources at room temperature only for the room temperature molten salt (ionic liquid) EMI-BF4 (EMI = 1-ethyl-3- methylimidazoliuin). A large number of other ionic liquids and their mixtures have been studied here, most of which are unable to reach the purely ionic regime at room temperature. Based on these results and additional theoretical considerations we conclude that the purely ionic regime is favored not only by ionic liquids of high electrical conductivity, but also by those having relatively high surface tension.

Original languageEnglish (US)
Title of host publicationCollection of Technical Papers - AIAA/ASME/SAE/ASEE 42nd Joint Propulsion Conference
Pages3220-3232
Number of pages13
StatePublished - Dec 1 2006
EventAIAA/ASME/SAE/ASEE 42nd Joint Propulsion Conference - Sacramento, CA, United States
Duration: Jul 9 2006Jul 12 2006

Publication series

NameCollection of Technical Papers - AIAA/ASME/SAE/ASEE 42nd Joint Propulsion Conference
Volume4

Other

OtherAIAA/ASME/SAE/ASEE 42nd Joint Propulsion Conference
CountryUnited States
CitySacramento, CA
Period7/9/067/12/06

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