A fluorescent light-collecting solar lighting system

Abstract

The invention provides a fluorescence collecting solar illuminating system. The system a fluorescence waveguide part and an illuminating part, and CsBX3 nanocrystalline is loaded on the surface of a nano two-dimensional material to serve as a fluorescence material of the fluorescence waveguide part, wherein B refers to an element with a +2 valence state, and X refers to a halogen element. The fluorescence waveguide part is used for converting solar energy into electric energy and comprises the fluorescence material and a solar cell, the fluorescence material absorbs sunlight and re-emits fluorescence light, and the solar cell converts the fluorescence light into electric energy. The illuminating part is electrically connected with the fluorescence waveguide part to form a closed circuit and provide illumination. The fluorescence material used in the system has advantages of high energy conversion efficiency, high absorption coefficient, wide absorption spectrum, narrow emission band, high emission intensity, low loss, high degree of spectrum matching with the solar cell, high compatibility to the waveguide material and stability in performance. In addition, due to diversified material characteristics, the system meets different application demands such as road illumination, smart home and environmental decoration.

Description

technical field [0001] The invention relates to the technical field of nanocomposite materials and solar photovoltaic devices, in particular to a fluorescent light-collecting solar lighting system. Background technique [0002] Fluorescent light-collecting solar photovoltaic devices can obtain higher energy conversion efficiency by absorbing sunlight and re-emitting fluorescence with the help of fluorescent materials in the optical waveguide medium. Compared with traditional concentrating solar cells, fluorescent concentrating solar photovoltaic devices can not only absorb direct light and scattered light, but also avoid device loss caused by thermal effects, thus reducing the photovoltaic power generation brought by expensive sun tracking systems and cooling systems Therefore, it has a good application prospect of building integrated photovoltaics. At present, the application of fluorescent light-collecting solar photovoltaic devices in the construction field is mainly as ...

AI Technical Summary

Problems solved by technology

However, as the key components of fluorescent light-collecting solar photovoltaic devices, fluorescent materials have problems such as low light absorption coefficient, low fluorescence quantum efficiency, and serious self-loss phenomenon.

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