From Large-Scale Synthesis to Lighting Device Applications
of Ternary I–III–VI Semiconductor Nanocrystals: Inspiring
Greener Material Emitters
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Abstract
Quantum dots with
fabulous size-dependent and color-tunable emissions
remained as one of the most exciting inventories in nanomaterials
for the last 3 decades. Even though a large number of such dot nanocrystals
were developed, CdSe still remained as unbeatable and highly trusted
lighting nanocrystals. Beyond these, the ternary I–III–VI
family of nanocrystals emerged as the most widely accepted greener
materials with efficient emissions tunable in visible as well as NIR
spectral windows. These bring the high possibility of their implementation
as lighting materials acceptable to the community and also to the
environment. Keeping these in mind, in this Perspective, the latest
developments of ternary I–III–VI nanocrystals from their
large-scale synthesis to device applications are presented. Incorporating
ZnS, tuning the composition, mixing with other nanocrystals, and doping
with Mn ions, light-emitting devices of single color as well as for
generating white light emissions are also discussed. In addition,
the future prospects of these materials in lighting applications are
also proposed