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Tunable multicolor organic patterns based on two dye molecules are demonstrated. The left‐hand fluorescence microscopy image shows the emission for 32 nm DtCDQA on narrow Au lines and 1 nm on the SiO2 substrate. Subsequent deposition of the second dye, NPB, can create tunable multicolor patterns by controlling the emission from NPB and the monomer and aggregates of DtCDQA. Depositing 10 nm NPB gives...
Lipids form the structural and functional basis of biological membranes, and methods for studying their self‐organization in well‐defined nano‐ and micro‐scale model systems can provide insights into biology. Using lipids as an ink for dip‐pen nanolithography (lipid DPN) permits the rapid nanostructuring of multicomponent model lipid membrane systems, but this technique has so far been limited to...
The patterning of conducting polymer PEDOT:PSS, an excellent organic electrode material, with high resolution (50 nm, middle part of figure) on both rigid and flexible substrates by AFM nanoscratching (left part of figure) is demonstrated. The high density electrode array (108 elements cm−2) and small area electrode pair (0.5–0.6 µm2) achieved by this technique demonstrates its excellent patterning...
We introduce a technique for measuring wear on the nano-scale by combining friction force and dynamic force microscopy. By measuring the resonance frequency of the cantilever after scratching over a sample surface we are able to detect the increase or decrease of the tip’s worn mass down to some picograms. Applying a recently developed technique to attach a small sphere to the upper end of the cantilever’s...
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