Issue 7, 2017

Red-emitting AIEgen for luminescent solar concentrators

Abstract

This study reports for the first time the use of a red-emitting AIEgen, i.e. TPE-AC, for the realization of efficient luminescent solar concentrators (LSCs) based on poly(methyl methacrylate) (PMMA) and polycarbonate (PC) thin films (25 ± 5 μm). TPE-AC is an AIEgen with D–A features that absorbs visible light in the range between 400 and 550 nm and emits fluorescence peaked at 600–620 nm, with a maximum quantum yield (QY) of 50% when dispersed (0.1–1.5 wt%) in PMMA and PC matrices. QY and lifetime investigations demonstrated that fluorescence quenching occurred with varying the TPE-AC concentration, even if the optical features were still significant even at the highest fluorophore content. Study of the LSCs’ performances yielded worthy optical efficiencies of 6.7% for the TPE-AC/PC systems due to their superior light harvesting features and the compatibility of the AIEgen within the PC matrix.

Graphical abstract: Red-emitting AIEgen for luminescent solar concentrators

Supplementary files

Article information

Article type
Research Article
Submitted
10 1 2017
Accepted
22 2 2017
First published
24 2 2017

Mater. Chem. Front., 2017,1, 1406-1412

Red-emitting AIEgen for luminescent solar concentrators

F. De Nisi, R. Francischello, A. Battisti, A. Panniello, E. Fanizza, M. Striccoli, X. Gu, N. L. C. Leung, B. Z. Tang and A. Pucci, Mater. Chem. Front., 2017, 1, 1406 DOI: 10.1039/C7QM00008A

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