Creating Energy Transfer Pathways in Lead-Free Perovskite Nanocrystals via Dopant Emission Centers for Optical Sensing
Jesna K. George,
Altaf Pasha,
R. Geetha Balakrishna
Abstract:Cesium copper halide (CCH) nanocrystals (NCs) have gained
significant
interest as a Pb-free alternative to conventional cesium lead halide
NCs in fabricating LEDs due to their broadband emission. An in-depth
analysis of the origin of such broadband emission in colloidal CCH
NCs is presented in this work. Further, the effect of introducing
Mn as an emission center in CCH by in situ doping facilitates easy
energy transfer to analytes exhibiting remarkable picomolar sensitivity
(1.86 pM) toward bentazone (analyt… Show more
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