Höfft, O Electronic structure of the surface of the ionic liquid [EMIM][Tf(2)N] studied by metastable impact electron spectroscopy (MIES), UPS, and XPS. [electronic resource] - Langmuir : the ACS journal of surfaces and colloids Aug 2006 - 7120-3 p. digital Publication Type: Journal Article ISSN: 0743-7463 Standard No.: 10.1021/la060943v doi