Structural destruction of cooperative luminescence – A new mechanism of fluorescence quenching
Source abstract
Abstract
Abstract The cooperative luminescence of Yb3+-trimers and Yb3+-dimers were observed in Yb3+-doped CaF2 under excitation of near infrared (NIR) light at room temperature. With the increase of doped Al3+ or La3+ concentration, the cooperative luminescence from 3-Yb3+ trimers and 2-Yb2+ dimers decreased gradually and until to extinguished. In order to explain the phenomenon, in this paper, we propose a new fluorescence quenching mechanism, structure-destroyed fluorescence quenching. This new fluorescence quenching belongs to the static quenching.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Solid State Laser Technologies · Random lasers and scattering media
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References (18)
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