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Biomimetics
Special Issues
Bioinspired Photonic Materials for Optical and Thermal Manipulation
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Bioinspired Photonic Materials for Optical and Thermal Manipulation

A special issue of Biomimetics (ISSN 2313-7673). This special issue belongs to the section "Biomimetics of Materials and Structures".

Deadline for manuscript submissions: 30 April 2024 | Viewed by 2886

Special Issue Editors

Prof. Dr. Han Zhou

E-Mail Website
Guest Editor
Department of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
Interests: bioinspired intelligent materials; thermal management materials; thermal regulation textiles; metamaterials; machine-learning inverse design
Prof. Dr. Jian Liu

E-Mail Website
Guest Editor
Qingdao Institute Of Bioenergy & Bioprocess Technology, Chinese Academy of Sciences, Qingdao, China
Interests: biomimetics; enzyme mimic; interface engineering; hierarchical nanomaterials

Special Issue Information

Dear Colleagues,

Biological systems have evolved to have elaborated photonic micro-nanostructures and complex systems on multiple scales and dimensions in a hierarchical, organized way to realize controllable absorption, reflection, or transmission of the desired wavelength of the solar spectrum. On one hand, natural creatures have astonishing photonic structures for visible light control and have evolved to have various functions such as structural color, antireflection, broadband reflection, etc. On the other hand, biological systems have evolved to have photonic structures to control infrared wavelengths with thermal regulation abilities including radiative cooling, thermal camouflage, thermal sensing and so on, leading to biomimetics. Mimicking biophotonic solutions for advanced materials design represents a promising strategy for the development of bioinspired materials with fascinating properties. Recent advances in bioinspired photonic materials include solar-to-electricity conversion, solar-to-fuel conversion, solar-thermal technology, radiative cooling, thermal regulation, and so on.

This Special Issue is devoted to the development of bioinspired photonic materials inspired by nature. It addresses both the structure and function of natural materials and presents strategies for the translation of bioinspired concepts into optical and thermal functional materials.

Some of its focal points include, but are not limited to, the following:

  1. Physical principles and mechanisms of the optical/thermal phenomena in biology;
  2. Bioinspired structural color materials;
  3. Bioinspired materials for antireflection;
  4. Bioinspired materials for radiative cooling;
  5. Bioinspired materials for thermal camouflage;
  6. Bioinspired materials for adaptive thermal regulation;
  7. Bioinspired materials for thermal sensing;
  8. Bioinspired systems and devices for photonics;
  9. Applications of bioinspired photonic materials.

Prof. Dr. Han Zhou
Prof. Dr. Jian Liu
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. Biomimetics is an international peer-reviewed open access monthly 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 2200 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.

Published Papers (2 papers)

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Research

13 pages, 4417 KiB  
Article
Diatomite-Based Recyclable and Green Coating for Efficient Radiative Cooling
by Jing Lu, Yile Fan, Xing Lou, Wei Xie, Binyuan Zhao, Han Zhou and Tongxiang Fan
Biomimetics 2024, 9(1), 50; https://0-doi-org.brum.beds.ac.uk/10.3390/biomimetics9010050 - 13 Jan 2024
Viewed by 1116
Abstract
Radiative cooling is a promising strategy to address energy challenges arising from global warming. Nevertheless, integrating optimal cooling performance with commercial applications is a considerable challenge. Here, we demonstrate a scalable and straightforward approach for fabricating green radiative cooling coating consisting of methyl [...] Read more.
Radiative cooling is a promising strategy to address energy challenges arising from global warming. Nevertheless, integrating optimal cooling performance with commercial applications is a considerable challenge. Here, we demonstrate a scalable and straightforward approach for fabricating green radiative cooling coating consisting of methyl cellulose matrix-random diatomites with water as a solvent. Because of the efficient scattering of the porous morphology of diatomite and the inherent absorption properties of both diatomite and cellulose, the aqueous coating exhibits an excellent solar reflectance of 94% in the range of 0.25–2.5 μm and a thermal emissivity of 0.9 in the range of 8–14 µm. During exposure to direct sunlight at noon, the obtained coating achieved a maximum subambient temperature drop of 6.1 °C on sunny days and 2.5 °C on cloudy days. Furthermore, diatomite is a naturally sourced material that requires minimal pre-processing, and our coatings can be prepared free from harmful organic compounds. Combined with cost-effectiveness and environmental friendliness, it offers a viable path for the commercial application of radiative cooling. Full article
(This article belongs to the Special Issue Bioinspired Photonic Materials for Optical and Thermal Manipulation)
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13 pages, 2743 KiB  
Article
Light-Stimulated IGZO Transistors with Tunable Synaptic Plasticity Based on Casein Electrolyte Electric Double Layer for Neuromorphic Systems
by Hwi-Su Kim, Hamin Park and Won-Ju Cho
Biomimetics 2023, 8(7), 532; https://0-doi-org.brum.beds.ac.uk/10.3390/biomimetics8070532 - 09 Nov 2023
Cited by 1 | Viewed by 1288
Abstract
In this study, optoelectronic synaptic transistors based on indium–gallium–zinc oxide (IGZO) with a casein electrolyte-based electric double layer (EDL) were examined. The casein electrolyte played a crucial role in modulating synaptic plasticity through an internal proton-induced EDL effect. Thus, important synaptic behaviors, such [...] Read more.
In this study, optoelectronic synaptic transistors based on indium–gallium–zinc oxide (IGZO) with a casein electrolyte-based electric double layer (EDL) were examined. The casein electrolyte played a crucial role in modulating synaptic plasticity through an internal proton-induced EDL effect. Thus, important synaptic behaviors, such as excitatory post-synaptic current, paired-pulse facilitation, and spike rate-dependent and spike number-dependent plasticity, were successfully implemented by utilizing the persistent photoconductivity effect of the IGZO channel stimulated by light. The synergy between the light stimulation and the EDL effect allowed the effective modulation of synaptic plasticity, enabling the control of memory levels, including the conversion of short-term memory to long-term memory. Furthermore, a Modified National Institute of Standards and Technology digit recognition simulation was performed using a three-layer artificial neural network model, achieving a high recognition rate of 90.5%. These results demonstrated a high application potential of the proposed optoelectronic synaptic transistors in neuromorphic visual systems. Full article
(This article belongs to the Special Issue Bioinspired Photonic Materials for Optical and Thermal Manipulation)
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