Micropatterning of the Ferroelectric Phase in a Poly(vinylidene difluoride) Film by Plasmonic Heating with Gold Nanocages

Li, Jianhua; Yang, Miaoxin; Sun, Xiaojun; Yang, Xuan; Xue, Jiajia; Zhu, Chunlei; Liu, Hong; Xia, Younan

doi:10.1002/anie.201605405

Cited by 27 publications

(24 citation statements)

References 27 publications

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“…[2a] In addition, these polymers have been significantly explored based on their piezoelectric properties to harvest mechanical energy . Their combination with plasmonic nanostructures was only recently reported, for laser‐based patterned phase‐control of ferroelectric polymers . However, plasmonic heating was, to our knowledge, not previously investigated for pyroelectric energy harvesting.…”

Section: Introductionmentioning

confidence: 99%

Hybrid Plasmonic and Pyroelectric Harvesting of Light Fluctuations

Chaharsoughi

Tordera

Grimoldi

et al. 2018

Advanced Optical Materials

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possess pyroelectric properties, including the leaves of the palm-like plant Encephalartos. [4] While the physiological implications of pyroelectricity in plants and other biomaterials are still poorly understood, [4,5] the effect can already be utilized in artificial devices for applications including light detection [2d,6] and energy harvesting. [3,7] Pyroelectric polymers have attracted considerable attention owing to their mechanical flexibility, easy processing, and low cost. [4,5] While there are a number of pyroelectric polymers, such as poly(vinylchloride) and Nylon 11, poly(vinylidene fluoride) and its copolymer poly(vinylidenefluoride-cotrifluoroethylene) (P(VDF-TRFE)) are particularly promising due to high pyroelectric coefficients and good chemical stability. [2a,c,d,8] Typical application areas for these polymers include heat sensing, thermal imaging, and fire alarms. [2a] In addition, these polymers have been significantly explored based on their piezoelectric properties to harvest mechanical energy. [3,9] Their combination with plasmonic nanostructures was only recently reported, for laser-based patterned phase-control of ferroelectric polymers. [10] However, plasmonic heating was, to our knowledge, not previously investigated for pyroelectric energy harvesting.Here, we present a concept that converts temporal fluctuations in sunlight to electrical energy. The device combines a plasmonic metasurface consisting of gold nanodisks with a thin organic P(VDF-TrFE) copolymer film. The plasmonic nanostructures strongly absorb light through resonant excitation of plasmons (collective charge oscillations), which leads to local heating of both the nanostructure and the surrounding environment. [11] Such light-induced plasmonic heating can enable a wide range of applications, including solar-powered autoclaving, [12] plasmon-driven thermophoresis, [13] seawater catalysis, [14] plasmonic-thermoelectric light detection, [15] and desalination concepts. [14] In our hybrid plasmonic-pyroelectric device (referred to as hybrid device below), plasmonic heating of a gold nanodisk array modulates the temperature of a pyroelectric polymer. The polymer then converts these temperaturechanges to electrical signals through the pyroelectric effect.We demonstrate the concept by designing a device that powers an external load connected to the hybrid device, and by characterizing its performance in detail. Combined optical and thermal simulations of the hybrid device are in agreement with State-of-the-art solar energy harvesting systems based on photovoltaic technology require constant illumination for optimal operation. However, weather conditions and solar illumination tend to fluctuate. Here, a device is presented that extracts electrical energy from such light fluctuations. The concept combines light-induced heating of gold nanodisks (acting as plasmonic optical nanoantennas), and an organic pyroelectric copolymer film (poly(vinylidenefluoride-co-trifluoroethylene)), that converts temperature changes into electrical sig...

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Section: Introductionmentioning

confidence: 99%

Hybrid Plasmonic and Pyroelectric Harvesting of Light Fluctuations

Chaharsoughi

Tordera

Grimoldi

et al. 2018

Advanced Optical Materials

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“…The results indicate that the phase transition temperature of Au∕VO 2 films is smaller than that of bare VO 2 under excitation by the same laser power. There are two key factors on the plasmonic enhanced phase transition of the VO 2 : one is the plasmonic photothermal effect, and the other is the plasmonic enhanced light absorption [55,56]. The plasmonic photothermal effect is a result of photoexcitation in metal nanoparticles.…”

Section: Resultsmentioning

confidence: 99%

Active macroscale visible plasmonic nanorod self-assembled monolayer

Huang

et al. 2018

Photon. Res.

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Although plasmonic nanostructure has attracted widespread research interest in recent years, it is still a major challenge to realize large-scale active plasmonic nanostructure operation in the visible optical frequency. Herein, we demonstrate a heterostructure geometry comprising a centimeter-scale Au nanoparticle monolayer and VO 2 films, in which the plasmonic peak is inversely tuned between 685 nm and 618 nm by a heating process since the refractive index will change when VO 2 films undergo the transition between the insulating phase and the metallic phase. Simultaneously, the phase transition of VO 2 films can be improved by plasmonic arrays due to plasmonic enhanced light absorption and the photothermal effect. The phase transition temperature for Au∕VO 2 films is lower than that for bare VO 2 films and can decrease to room temperature under the laser irradiation. For lightinduced phase transition of VO 2 films, the laser power of Au∕VO 2 film phase transition is ∼28.6% lower than that of bare VO 2 films. Our work raises the feasibility to use active plasmonic arrays in the visible region.

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“…In one demonstration, AuNCs were used to induce ferroelectric-paraelectric phase transition in PVDF thin films upon laser irradiation. 41 As a well-known ferroelectric polymer, PVDF will undergo phase transition from ferroelectric (β or γ) to paraelectric (α) when heated to its ferroelectric Curie temperature at ca. 170 °C, a temperature very close to its melting point (177 o C).…”

Section: Phase Transitionmentioning

confidence: 99%

“…When the composite film was exposed to the 808-nm laser at an irradiance of 1 W cm -2 , the heat generated in the film caused the PVDF film to change from the ferroelectric β phase to the paraelectric α phase. 41 Owing to the high photothermal conversion efficiency of AuNCs, the phase transition could be achieved in less than 10 s.…”

Section: Phase Transitionmentioning

confidence: 99%

“…x-y stage. 41 Figure 10B shows the Raman mapping data, where the red color represents the β phase of PVDF while the green color corresponds to the α phase, demonstrating that only the irradiated regions were transited to the α phase. Representative Raman spectra in Figure 10, C and D further demonstrated that the β phase dominated the non-irradiated regions while the α phase dominated the laser-irradiated regions.…”

Section: Phase Transitionmentioning

confidence: 99%

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