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Title: Spatially probed plasmonic photothermic nanoheater enhanced hybrid polymeric – metallic PVDF‐Ag nanogenerator
Authors: Liow, Chi Hao
Lu, Xin
Tan, Chuan Fu
Chan, Kwok Hoe
Zeng, Kaiyang
Li, Shuzhou
Ho, Ghim Wei
Keywords: Engineering::Materials
Issue Date: 2017
Source: Liow, C. H., Lu, X., Tan, C. F., Chan, K. H., Zeng, K., Li, S., & Ho, G. W. (2018). Spatially probed plasmonic photothermic nanoheater enhanced hybrid polymeric – metallic PVDF‐Ag nanogenerator. Small, 14(7), 1702268-. doi:10.1002/smll.201702268
Journal: Small
Abstract: Surface plasmon-based photonics offers exciting opportunities to enable fine control of the site, span, and extent of mechanical harvesting. However, the interaction between plasmonic photothermic and piezoresponse still remains underexplored. Here, spatially localized and controllable piezoresponse of a hybrid self-polarized polymeric-metallic system that correlates to plasmonic light-to-heat modulation of the local strain is demonstrated. The piezoresponse is associated to the localized plasmons that serve as efficient nanoheaters leading to self-regulated strain via thermal expansion of the electroactive polymer. Moreover, the finite-difference time-domain simulation and linear thermal model also deduce the local strain to the surface plasmon heat absorption. The distinct plasmonic photothermic-piezoelectric phenomenon mediates not only localized external stimulus light response but also enhances dynamic piezoelectric energy harvesting. The present work highlights a promising surface plasmon coordinated piezoelectric response which underpins energy localization and transfer for diversified design of unique photothermic-piezotronic technology.
ISSN: 1613-6810
DOI: 10.1002/smll.201702268
Rights: © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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