Journal
APPLIED SCIENCES-BASEL
Volume 12, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/app12125839
Keywords
luminescence; luminescent solar concentrators; luminescent downshifting layers natural pigments; polymer; xanthophyll; phycobiliprotein
Categories
Funding
- FCT/MEC [UIDB/50011/2020, UIDP/50011/2020, LA/P/0006/2020]
- CESAM [UIDP/50017/2020+UIDB/50017/2020+LA/P/0094/2020]
- Instituto de Telecomunicacoes [UID/EEA/50008/2021]
- SOLPOWINS-Solar-Powered SmartWindows for Sustainable Buildings [PTDC/CTM-REF/4304/2020]
- REFINECYANO-Using biorefinery to value cyanobacteria pigments - FCT/MEC [PTDC/BTA-BTA/30914/2017]
- FEDER under the PT2020 Partnership through European Regional Development Fund (ERDF)
- Fundacao para a Ciencia e a Tecnologia [SFRH/BD/123850/2016, BD/REITORIA/9328/2020]
- European Space Agency [ESA STAR AO 2-1790/21/NL/GLC/ov]
- Fundação para a Ciência e a Tecnologia [PTDC/BTA-BTA/30914/2017, PTDC/CTM-REF/4304/2020, SFRH/BD/123850/2016] Funding Source: FCT
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The use of natural luminescent renewable materials as substitutes for synthetic ones in the energy field is crucial for a better future. Incorporating natural pigments into solid matrices expands their range of applications, and preliminary studies show their potential in photovoltaics.
In the search for a better and brighter future, the use of natural luminescent renewable materials as substitutes for synthetic ones in the energy field is of prime importance. The incorporation of natural pigments (e.g., xanthophylls and phycobiliproteins) is a fundamental step in a broad spectrum of applications that are presently marred by their limited stability. The incorporation of bio-based luminescent molecules into solid matrices allows the fabrication of thin films, which may dramatically increase the range of applications, including sustainable photovoltaic systems, such as luminescent solar concentrators or downshifting layers. In this work, we incorporated R-phycoerythrin (R-PE), C-phycocyanin (C-PC), and fucoxanthin (FX) into poly(vinyl alcohol) (PVA) and studied their optical properties. It was found that the emission and excitation spectra of the phycobiliproteins and FX were not modified by incorporation into the PVA matrix. Moreover, in the case of FX, the emission quantum yield (eta) values also remained unaltered after incorporation, showing the suitability of the PVA as a host matrix. A preliminary photostability study was performed by exposing the solid samples to continuous AM1.5G solar radiation, which evidenced the potential of these materials for future photovoltaics.
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