Large Stokes-shift AIE fluorescent materials for high-performance luminescent solar concentrators

Luminescent solar concentrators (LSCs) have showed great interests since they can realize building-integrated photovoltaics (BIPV). To date, a variety of luminophores have been developed to fabricate LSCs. In this paper, we designed and prepared aggregation-induced emission (AIE) fluorescent organic nanoparticles (TPFE-Rho), and reported that TPFE-Rho nanoparticles could be used as the efficient fluorescent materials for LSC devices since they show good photostability, large Stokes shift, and low toxicity. The high-performance TPFE-Rho/PMMA slab based LSCs with a power conversion efficiency of 3.55% could be obtained when the concentration of TPFE-Rho nanoparticles within the PMMA matrix was 0.08 wt%. Our results reveal that TPFE-Rho/PMMA slab based LSCs exhibit high performance and can realize the semi-transparent photovoltaic windows.