2015
DOI: 10.1039/c4cp06041e
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Molecularly clean ionic liquid/rubrene single-crystal interfaces revealed by frequency modulation atomic force microscopy

Abstract: The structural properties of ionic liquid/rubrene single-crystal interfaces were investigated using frequency modulation atomic force microscopy. The spontaneous dissolution of rubrene molecules into the ionic liquid was triggered by surface defects such as rubrene oxide defects, and the dissolution rate strongly depended on the initial conditions of the rubrene surface. Dissolution of the second rubrene layer was slower due to the lower defect density, leading to the formation of a clean interface irrespectiv… Show more

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Cited by 18 publications
(20 citation statements)
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“…In AFM experiments, effective diameter of the tip apex of the probe is supposed to be nm scale, 39,40 because molecular-scale topographies of the crystal surfaces can be measured. 15,16 For that reason, we introduced nm-scale model probes with (3).…”
Section: Force Curve Calculated By the Ideal Probementioning
confidence: 99%
See 3 more Smart Citations
“…In AFM experiments, effective diameter of the tip apex of the probe is supposed to be nm scale, 39,40 because molecular-scale topographies of the crystal surfaces can be measured. 15,16 For that reason, we introduced nm-scale model probes with (3).…”
Section: Force Curve Calculated By the Ideal Probementioning
confidence: 99%
“…We do not know the diameter of the real tip apex, however, its effective diameter should be nm scale. 15,16,39,40 Moreover, the real probe surface should be charged, due to ionization (polarization) of the surface. In that case, the real probe is close to the ideal probe.…”
Section: Force Curve Calculated By the Ideal Probementioning
confidence: 99%
See 2 more Smart Citations
“…Crystalline rubrene has also been imaged in an ionic liquid. 15 In the present study, we apply this method to image crystalline sucrose (C 12 H 22 O 11 ). A problem arises due to its high solubility in water, 67 wt % at 293 K. 16 Cantilever oscillation cannot be excited in the saturated, viscous solution of sucrose.…”
Section: Introductionmentioning
confidence: 99%