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- Title
Eco-friendly and biocompatible gelatin plasmonic filters for UV-vis-NIR light.
- Authors
Becerril-Castro, I. Brian; Negrín-Montecelo, Yoel; Moreno, Josep; Correa-Duarte, Miguel A.; Giannini, Vincenzo; Alvarez-Puebla, Ramón A.
- Abstract
The quest for environmentally sustainable materials spans many fields and applications including optical materials. Here, we present the development of light filters using a gelatin-based nanocomposite. Owing to the plasmonic properties of metallic nanoparticles (NPs), strong light-matter interactions, these filters can be customized across the UV-Visible-NIR spectrum. The filters are designed for modular use, allowing for the addition or removal of desired spectral ranges. Moreover, the nanocomposites are composed of biodegradable and biocompatible materials which highlight the intersection of chemistry and ecological awareness for the exploration of new eco-friendly alternatives. These plasmonic gelatin-based filters block light due to the Localized Surface Plasmon Resonance (LSPR) of the NPs and can be tailored to meet various requirements, akin to a diner selecting options from a menu. This approach is inspired by culinary techniques, and we anticipate it will stimulate further exploration of biomaterials for applications in optics, materials science or electronics. Optical filter materials are used across scientific disciplines for imaging or spectroscopy, but inexpensive and eco-friendly alternatives remain underexplored. Here, the authors exploit the localized surface plasmon resonance of metal nanoparticles embedded in edible gelatine for modular light filters working in the ultraviolet to near-infrared range.
- Subjects
SURFACE plasmon resonance; OPTICAL materials; MATERIALS science; PLASMONICS; BIODEGRADABLE materials; LIGHT filters; BIOMEDICAL materials
- Publication
Communications Chemistry, 2024, Vol 7, Issue 1, p1
- ISSN
2399-3669
- Publication type
Article
- DOI
10.1038/s42004-024-01202-6