Plasmonic Photomobile Polymer Films

Castagna, Riccardo; Rippa, Massimo; Simoni, F.; Villani, Fulvia; Nenna, Giuseppe; Petti, Lucia

doi:10.3390/cryst10080660

Cited by 7 publications

(8 citation statements)

References 50 publications

(65 reference statements)

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“…Acting this way, at the same time we have the formation of the PMP-film and its link to the grating border. The PMP-film containing the grating is now ready to be peeled-off from the glass substrate and bent in a free standing configuration by using an external low-power light source [ 50 , 51 , 52 , 53 , 79 ] (see Figure S2 in the Supporting Information ). At this stage the PMP-DFB film can be irradiated by an external pulsed laser that induces lasing at the edge of the photonic band-gap [ 46 ].…”

Section: Resultsmentioning

confidence: 99%

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Light-Controlled Direction of Distributed Feedback Laser Emission by Photo-Mobile Polymer Films

et al. 2022

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We report on the realization of Distributed Feedback (DFB) lasing by a high-resolution reflection grating integrated in a Photomobile Polymer (PMP) film. The grating is recorded in a recently developed holographic mixture basically containing halolakanes/acrylates and a fluorescent dye molecule (Rhodamine 6G). The PMP-mixture is placed around the grating spot and a subsequent curing/photo-polymerization process is promoted by UV-irradiation. Such a process brings to the simultaneous formation of the PMP-film and the covalent link of the PMP-film to the DFB-grating area (PMP-DFB system). The PMP-DFB allows lasing action when optically pumped with a nano-pulsed green laser source. Moreover, under a low-power light-irradiation the PMP-DFB bends inducing a spatial readdressing of the DFB-laser emission. This device is the first example of a light-controlled direction of a DFB laser emission. It could represent a novel disruptive optical technology in many fields of Science, making feasible the approach to free standing and light-controllable lasers.

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Section: Resultsmentioning

confidence: 99%

“…In a few minutes, the PMP-mixture surrounds the spot containing the grating. The system is furthermore polymerized by irradiation with a UV-A lamp (

= 365 nm; P = 0.5 W) for 20 min to form the PMP-DFB film [ 79 ]. After that the cell is placed in the DFB-laser set-up.…”

Section: Methodsmentioning

confidence: 99%

Light-Controlled Direction of Distributed Feedback Laser Emission by Photo-Mobile Polymer Films

et al. 2022

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“…In order to enable PZ-based electricity production from light, the latter has to be transformed into kinetic energy. Transformation of light into mechanical movement is realized by innovative Photo-Mobile Polymers (PMP) [54][55][56][57][58] . When light is converted to movement via PMP it can be transformed into electric energy using the PZ material.…”

Section: Piezoelectric-based Light Conversionmentioning

confidence: 99%

ZnO nanorods as a piezoelectric energy harvester from light induced flexions

Haras¹,

Wlazło²,

Andrysiewicz³

et al. 2023

Smart Materials for Opto-Electronic Applications

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Rapid growth is promoting the Internet of Things (IoT) to become one of the main branches of the semiconductor industry. Surprisingly, the IoT growth would have been even faster if economically attractive and reliable alternatives for batteries and wires had been available. Providing power supply to the IoT nodes is challenging regarding their: (i) quantity (close to 8x the human population), (ii) harsh operation environments, (iii) size (typical footprint much smaller than mm2) and (iv) hard-to-reach locations. Modern IoT node requires very small energy (less than 100μJ/cycle) to operate. Wire supply of energy is expensive and uncomfortable while using a battery requires periodic replacements/maintenance and produces tons of toxic waste. Energy Harvesting (EH) could be a solution to overcome the IoT supply difficulties offering self-supplied nodes enabling further IoT market growth. EH converts natural or waste energies (vibrations, heat losses, light, etc.) into useful energy. We present an innovative two-step conversion harvester capable of transforming light into electricity via the PieZoelectric (PZ) effect. Our approach uses a Photo- Mobile Polymer (PMP) integrated with the PZ material. PMP serves as light-to-movement transducer and PZ converts the light-induced PMP flexions into voltage. As a PZ material, a nanostructured ZnO nanorods were used as their fabrication is cheap and ready-to-use at industrial scale. ZnO performance characterization in a dedicated flexions simulator revealed energy as high as 80nJ during 55sec bending runs. This result encourages further PMP and ZnO optimization enabling extension of piezoelectrics onto light conversion.

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“…These properties make photo-responsive polymers highly attractive for various applications, including optical data storage, smart windows, and sensors. Photo-mobile polymers (PMPs) are particular kinds of photo-responsive polymers having motion which can be induced without contact and controlled by an external electromagnetic field, typically in the form of a light source [10][11][12][13][14][15]. Research on PMPs is rapidly accelerating due to their potential applications in energy harvesting, light-controlled actuators, and light-induced dynamic holography [13,14,[16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Development of a Quartz-Based Photo-Mobile Polymer Film for Controlled Motion Triggered by Light or Heat

et al. 2023

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We have developed a photo-mobile polymer film, that combines organic and inorganic materials, to allow for controlled motion that can be triggered by light or heat. Our film is made using recycled quartz and consists of two layers: a multi-acrylate polymer layer and a layer containing oxidized 4-amino-phenol and N-Vinyl-1-Pyrrolidinone. The use of quartz in our film also gives it a high temperature resistance of at least 350 °C. When exposed to heat, the film moves in a direction that is independent of the heat source, due to its asymmetrical design. Once the heat source is removed, the film returns to its original position. ATR-FTIR measurements confirm this asymmetrical configuration. This technology may have potential applications in energy harvesting, due to the piezoelectric properties of quartz.

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Plasmonic Photomobile Polymer Films

Cited by 7 publications

References 50 publications

Light-Controlled Direction of Distributed Feedback Laser Emission by Photo-Mobile Polymer Films

Light-Controlled Direction of Distributed Feedback Laser Emission by Photo-Mobile Polymer Films

ZnO nanorods as a piezoelectric energy harvester from light induced flexions

Development of a Quartz-Based Photo-Mobile Polymer Film for Controlled Motion Triggered by Light or Heat

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