Abstract
Dip-pen nanolithography (DPN) has emerged as a powerful tool for creatingsophisticated micron- and nanoscale features of various molecules, such as small organicmolecules, on a variety of substrates. Despite significant advances in recent years, theinfluence of temperature on molecular transport for nanostructure fabrication has notbeen fully explored. Herein, it is shown how the dimensions of patterned organicnanostructures can be controlled by using a cooling/heating module. This method allowsnanometer-sized feature fabrication of a variety of small organic molecules, including‘inks’ that have been deemed very difficult to write under ambient conditions.Features with dimensions as small as 30 nm have been successfully reproducedusing the newly developed temperature control device in conjunction with DPN.
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