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Advances in Photomobile Materials and Systems

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Smart Materials".

Deadline for manuscript submissions: 10 May 2024 | Viewed by 2785

Special Issue Editors


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Guest Editor
Dip. SIMAU., Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy
Interests: DFB lasers; photo-acoustics; holography; integrated optics
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
URT-CNR, Università di Camerino (UNICAM), Polo di Chimica, Via Sant’Agostino, 1, 62032 Camerino, MC, Italy
Interests: photomobile materials; linear and nonlinear optics; organic lasers; integrated optics; holography; plasmonics; light-matter interactions
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The need to develop new green energy systems that can easily and widely be used by the public is becoming increasingly urgent every day in view of fossil fuel depletion and the resulting pollution. In particular, even if nuclear fusion was to finally succeed as a potentially infinite, safe, and green energy, the so-called renewable energies derived mainly from the utilization of sun, sea currents, and wind are surely the safest and most convenient options in the near future. The exploitation of these energies necessitates their direct or indirect conversion into work. As is known, the sun is a source of free, potentially infinite, and green energy. In this Special Issue we intend to promote this notion in all its experimental and theoretical aspects—through articles, communications, and reviews—through scientific research on light-sensitive materials that will be the basis of our near green future, with a particular but not exclusive look at photomobile polymers and/or those polymers whose mobility is photothermally induced and those devices that are derived from them. However, manuscripts regarding the use of other green sources to generate motion will also be considered as will the development of passive sensors. Our hope is to offer a platform for proposing scientifically and technically novel solutions that make use of solar energy in an increasingly efficient manner.

Prof. Dr. Daniele Eugenio Lucchetta
Dr. Riccardo Castagna
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • photomobile polymers
  • photomobile systems
  • photothermally mobile materials
  • conversion of light into mechanical work
  • photoinduced dynamic holography
  • light–matter interactions

Published Papers (2 papers)

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Research

8 pages, 2213 KiB  
Article
Development of a Quartz-Based Photo-Mobile Polymer Film for Controlled Motion Triggered by Light or Heat
by Riccardo Castagna, Cristiano Riminesi, Maria Savina Pianesi, Simona Sabbatini, Andrea Di Donato, Gautam Singh, Oriano Francescangeli, Emma Cantisani, Paolo Castellini and Daniele Eugenio Lucchetta
Materials 2023, 16(8), 3046; https://doi.org/10.3390/ma16083046 - 12 Apr 2023
Viewed by 1072
Abstract
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 [...] Read more.
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. Full article
(This article belongs to the Special Issue Advances in Photomobile Materials and Systems)
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7 pages, 1849 KiB  
Communication
Light-Controlled Rotational Speed of an Acoustically Levitating Photomobile Polymer Film
by Daniele Eugenio Lucchetta, Paolo Castellini, Milena Martarelli, Lorenzo Scalise, Giuseppe Pandarese, Cristiano Riminesi, Gautam Singh, Andrea Di Donato, Oriano Francescangeli and Riccardo Castagna
Materials 2023, 16(2), 553; https://doi.org/10.3390/ma16020553 - 06 Jan 2023
Cited by 2 | Viewed by 1353
Abstract
In this work, we study the light-induced changes of the rotational speed of a thin photomobile film using a single-axis acoustic levitator operating at 40 kHz. In our experiments, a 50 μm thick photomobile polymer film (PMP) is placed in one of the [...] Read more.
In this work, we study the light-induced changes of the rotational speed of a thin photomobile film using a single-axis acoustic levitator operating at 40 kHz. In our experiments, a 50 μm thick photomobile polymer film (PMP) is placed in one of the nodes of a stationary acoustic field. Under the action of the field, the film remains suspended in air. By externally perturbing this stable equilibrium condition, the film begins to rotate with its natural frequency. The rotations are detected in real time by monitoring the light of a low power He–Ne laser impinging on and reflected by the film itself. During the rotational motion, an external laser source is used to illuminate the PMP film; as a consequence, the film bends and the rotational speed changes by about 20 Hz. This kind of contactless long-distance interaction is an ideal platform for the development and study of many electro-optics devices in microgravity and low-friction conditions. In particular, we believe that this technology could find applications in research fields such as 3D dynamic displays and aerospace applications. Full article
(This article belongs to the Special Issue Advances in Photomobile Materials and Systems)
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