Projekteja vuodessa
Abstrakti
Because of their lightweight structure, flexibility, and immunity to electromagnetic interference, polymer optical fibers (POFs) are used in numerous short-distance applications. Notably, the incorporation of luminescent nanomaterials in POFs offers optical amplification and sensing for advanced nanophotonics. However, conventional POFs suffer from nonsustainable components and processes. Furthermore, the traditionally used luminescent nanomaterials undergo photobleaching, oxidation, and they can be cytotoxic. Therefore, biopolymer-based optical fibers containing nontoxic luminescent nanomaterials are needed, with efficient and environmentally acceptable extrusion methods. Here, such an approach for fibers wet-spun from aqueous methylcellulose (MC) dispersions under ambient conditions is demonstrated. Further, the addition of either luminescent gold nanoclusters, rod-like cellulose nanocrystals or gold nanocluster-cellulose nanocrystal hybrids into the MC matrix furnishes strong and ductile composite fibers. Using cutback attenuation measurement, it is shown that the resulting fibers can act as short-distance optical fibers with a propagation loss as low as 1.47 dB cm−1. The optical performance is on par with or even better than some of the previously reported biopolymeric optical fibers. The combination of excellent mechanical properties (Young's modulus and maximum strain values up to 8.4 GPa and 52%, respectively), low attenuation coefficient, and high photostability makes the MC-based composite fibers excellent candidates for multifunctional optical fibers and sensors.
Alkuperäiskieli | Englanti |
---|---|
Artikkeli | 2005205 |
Sivumäärä | 13 |
Julkaisu | Small |
Vuosikerta | 17 |
Numero | 27 |
Varhainen verkossa julkaisun päivämäärä | 2021 |
DOI - pysyväislinkit | |
Tila | Julkaistu - 8 heinäk. 2021 |
OKM-julkaisutyyppi | A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä |
Sormenjälki
Sukella tutkimusaiheisiin 'Luminescent Gold Nanocluster-Methylcellulose Composite Optical Fibers with Low Attenuation Coefficient and High Photostability'. Ne muodostavat yhdessä ainutlaatuisen sormenjäljen.-
-
2D materiaalit THz spektroskopiassa ja kuvantamisessa
Sun, Z. (Vastuullinen tutkija)
01/01/2018 → 31/12/2021
Projekti: Academy of Finland: Other research funding
-
DRIVEN: Field driven materials for functions, dissipation, and mimicking Pavlovian adaptation
Ikkala, O. (Vastuullinen tutkija)
01/10/2017 → 30/09/2022
Projekti: EU: ERC grants
Laitteet
-
-
OtaNano Nanomikroskopiakeskus
Seitsonen, J. (Manager) & Rissanen, A. (Other)
OtaNanoLaitteistot/tilat: Facility