Polymeric Nanostructures for Prospective Tribological Application in Miniaturized Devices: A Review

(E-pub Ahead of Print)

Author(s): Jayalakshmi Subramanian, Arvind Singh Ramachandra*, Ankush Raina, Mir Irfan Ul Haq, Sanjay Mohan Sharma, Xizhang Chen

Journal Name: Current Nanomaterials

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Background: Tribological issues severely confound smooth operation of moving elements in actuators-based miniaturized devices e.g. micro-electro-mechanical systems. At micro/nano scales, surface forces namely adhesion and friction manifest strongly and oppose relative mechanical motion of actuator elements. Topographical modification of sur-faces via surface patterning has emerged as a potential route to mitigate surface forces at small-scales.

Methods: Capillary force lithography is a simple yet robust technique to fabricate polymer nanostructures with varying shapes/sizes. This paper presents a brief review on the capillary force lithography technique, its salient features and tribo-logical performance of nanostructures fabricated by the technique.

Conclusion: Capillary force lithography has several attractive salient features, in particular the ability of the technique to create polymer nanopatterns of varying shapes/sizes without the need for molds with different shapes/sizes. Polymer nanostructures fabricated by the technique effectively reduce surface forces at micro/nano-scales, and are of interest for tribological application in small-scale devices.

Keywords: Micro/nano devices, capillary force lithography, polymer, nanopatterns, adhesion, friction

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(E-pub Ahead of Print)
DOI: 10.2174/2405461505999201208213019
Price: $95

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