In:
Journal of Materials Chemistry C, Royal Society of Chemistry (RSC), Vol. 10, No. 11 ( 2022), p. 4402-4410
Kurzfassung:
A highly efficient luminescent solar concentrator (LSC) composed of a nanosized metal-cluster as a molecular luminophore copolymerized with poly(methyl methacrylate) (PMMA) was fabricated through a simple solution process. Organic–inorganic salts such as (dMDAEMA) 2 [Mo 6 Cl 14 ] and (dMDAEMA) 2 [Mo 6 I 14 ] (where dMDAEMA is 2-(methacryloyloxy)ethyl dimethyldodecylammonium) were copolymerized with PMMA to generate a highly effective, transparent, and robust LSC waveguide. This hybrid luminophore enabled the development of a highly efficient UV-vis sunlight harvesting device due to strong absorption at UV-vis wavelengths up to ∼500 nm and a large downshift of luminescence at near-infrared wavelengths (∼850 nm). Si photovoltaic cells were placed at the edge of the LSC waveguide plate to collect the concentrated luminescence by internal reflection. LSCs fabricated with a 2.0 × 2.0 × 0.3 mm 3 size had the highest observed power conversion efficiency (PCE) of 1.24% and a transparency of ∼85%, which were much higher than those of LSCs made from other luminophores with the same Si photovoltaic cell. Our LSC with chemical/physical durability, robustness, and solution processability for any desirable plate size and thickness suggests a practical future direction for smart windows of urban buildings where traditional Si photovoltaic cells cannot be directly employed.
Materialart:
Online-Ressource
ISSN:
2050-7526
,
2050-7534
Sprache:
Englisch
Verlag:
Royal Society of Chemistry (RSC)
Publikationsdatum:
2022
ZDB Id:
2702245-6