Is there any Ionic liquid for cryogenic temperature ?

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Eduardo Maurina Morais

I'm not sure if such an ionic liquid exists, but I would be quite surprised. The lowest melting point molecular liquid I could find is N,N-diethylmethylamine (77 K), so I think you will have a hard time finding an organic compound that is liquid below this temperature.

Seorin Cho

Eduardo Maurina Morais Guess ionic liquid is not for very low temperature, i'll find another options for doping then. Thanks!

Yuri Mirgorod

I recommend that you create a transistor to play with proton tunneling at normal temperatures in aqueous solutions.

Preprint Quantum and thermal liquid -liquid phase transitions in aque...

Bashar Abdulrahman Mahmoud

Here's a good reference to an ionic liquid, which may not freeze down to very low temperatures (down to −150 °C):

Reiter, Jakub (2 Sep 2012). "Fluorosulfonyl-(trifluoromethanesulfonyl)imide ionic liquids with enhanced asymmetry". Physical Chemistry Chemical Physics. 15 (7): 2565–2571.

I hope you find this useful.