Saikat Bhaumik

TL;DR: This work reports the first use of completely inorganic CsPbBr3 thin films for enhanced light emission through controlled modulation of the trap density by varying the CsBr-Pb Br2 precursor concentration.

TL;DR: This work demonstrates efficient room temperature hot-electrons extraction by an energy-selective electron acceptor layer within 1 ps from surface-treated perovskite NCs thin films and enables fresh approaches for extremely thin absorber and concentrator-type hot-carrier solar cells.

TL;DR: This work reveals that the family of halide perovskite colloidal nanocrystals transcend these constraints with highly efficient five-photon-excited upconversion fluorescence—unprecedented for semiconductor nanocry crystals.

TL;DR: A new protocol for the synthesis of a highly stable (over 2 months under ambient conditions) solution-processed core-shell type structure of mixed methylammonium-octylam monium lead bromide perovskite nanoparticles having spherical shape, color tunability in the blue to green spectral region and a high photoluminescence quantum yield (PLQY) of up to 92% is described.

TL;DR: The high yield synthesis of about 11 nm sized CH3NH3PbBr3 nanocrystals with near-unity photoluminescence quantum yield signifies a 5-fold reduction of the lowest reported threshold value for halide perovskite nanocry crystals to date, which makes them ideal candidates for light-emitting and low-threshold lasing applications.