Abstract
Downshifting (DS) luminescent material (LM) barium borate glass-ceramics (BBGC): RE3+(RE=Ce, Tb, Eu) were synthesized by the melt-quenching (MQ) process. The occurrence of energy transfer (ET) from the Ce3+sensitizer to the Eu3+activator bridged by the Tb3+ion were proved and investigated in detail, which plays an important role in the realization of strong visible (VIS) red emission upon broadband near ultraviolet (NUV) irradiation. The photoelectric efficiency (PEE) of cadmium telluride (CdTe) and hydrogenated amorphous-silicon carbide (a-SiC:H) solar cells covered by the 0.3mol% Ce3+, 10mol% Tb3+and 1.2mol% Eu3+tri-doped BBGC was measured that increased respectively by 7.18% and 6.70% comparing with cells covered by BBGC hosts. This type of LM can be an excellent candidate for practical application in photovoltaic (PV) utilization.
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