Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 82, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3553010
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- Innovationsfonds Schleswig-Holstein
- Schleswig-Holstein-Fonds
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An electrospray apparatus for deposition of organic molecules on surfaces in ultrahigh vacuum is presented. The kinetic energy at the impact and mass to charge ratio of deposited ions can be controlled by an electrostatic quadrupole deflector and an in-line quadrupole mass spectrometer. With an ion funnel in the first two vacuum stages a high ion transmission is achieved. Experiments on porphyrin cations and deoxyribonucleic acid deposited on a Au(111) surface demonstrate the capabilities of the instrument. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3553010]
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