Laser‐Assisted Nanowetting: Selective Fabrication of Polymer/Gold Nanorod Arrays Using Anodic Aluminum Oxide Templates

1D polymer nanomaterials have attracted significant interest in recent years because of their unique properties and promising applications in various fields. It is, however, still a challenge to fabricate polymer nanoarrays with desired sizes and controlled morphologies. Here, an unprecedented appro...

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Bibliographic Details
Published in:Macromolecular rapid communications. 2020-04, Vol.41 (8), p.e2000035-n/a
Main Authors: He, Hung‐Chieh, Yan, Ai‐Ling, Karapala, Vamsi Krishna, Wang, Shun‐Fa, Shen, Ming‐Hui, Lin, Yu‐Liang, Chen, Yi‐Fan, Sugiyama, Teruki, Chen, Jiun‐Tai
Format: Article
Language:English
Subjects:
Aluminum
Aluminum oxide
Aluminum Oxide - chemistry
anodic aluminum oxide
Arrays
Electrodes
Fabrication
Gold
Gold - chemistry
gold nanorods
Laser beams
Lasers
Morphology
Nanomaterials
Nanorods
Nanostructures - chemistry
Nanotechnology
nanowetting
Particle Size
plasmonic heating
Polymers
Polystyrene
Polystyrene resins
Polystyrenes - chemistry
Surface Properties
Wettability
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Summary:1D polymer nanomaterials have attracted significant interest in recent years because of their unique properties and promising applications in various fields. It is, however, still a challenge to fabricate polymer nanoarrays with desired sizes and controlled morphologies. Here, an unprecedented approach, the laser‐assisted nanowetting (LAN) method, to selectively fabricate polymer nanoarrays is presented. Polystyrene (PS) is blended with gold nanorods (AuNRs), which are used to absorb the energy from the laser. After the blend films are brought in contact with AAO templates, the AuNRs at regions shone by the laser beams absorb the energy and heat the surrounding polymer chains, resulting in the formation of PS/AuNRs arrays in selected areas. This work paves a new research direction for developing template‐based polymer nanomaterials. A laser‐assisted nanowetting method to selectively fabricate polymer nanoarrays is presented. Polystyrene (PS) is blended with gold nanorods (AuNRs), which are used to absorb the energy from the laser. After the blend films are brought in contact with AAO templates, plasmonic heating occurs at regions shone by the laser, resulting in the formation of PS/AuNRs arrays.
ISSN:1022-1336
1521-3927
DOI:10.1002/marc.202000035