scholarly journals Amplified Spontaneous Emission and Lasing in Lead Halide Perovskites: State of the Art and Perspectives

2019 ◽  
Vol 9 (21) ◽  
pp. 4591 ◽  
Author(s):  
Maria Luisa De Giorgi ◽  
Marco Anni

Lead halide perovskites are currently receiving increasing attention due to their potential to combine easy active layers fabrication, tunable electronic and optical properties with promising performance of optoelectronic and photonic device prototypes. In this paper, we review the main development steps and the current state of the art of the research on lead halide perovskites amplified spontaneous emission and on optically pumped lasers exploiting them as active materials.

Molecules ◽  
2021 ◽  
Vol 26 (3) ◽  
pp. 705
Author(s):  
Maria Luisa De Giorgi ◽  
Stefania Milanese ◽  
Argyro Klini ◽  
Marco Anni

Lead halide perovskites are currently widely investigated as active materials in photonic and optoelectronic devices. While the lack of long term stability actually limits their application to commercial devices, several experiments demonstrated that beyond the irreversible variation of the material properties due to degradation, several possibilities exist to reversibly modulate the perovskite characteristics by acting on the environmental conditions. These results clear the way to possible applications of lead halide perovskites to resistive and optical sensors. In this review we will describe the current state of the art of the comprehension of the environmental effects on the optical and electronic properties of lead halide perovskites, and of the exploitation of these results for the development of perovskite-based sensors.


2019 ◽  
Vol 10 (1) ◽  
Author(s):  
Philipp Brenner ◽  
Ofer Bar-On ◽  
Marius Jakoby ◽  
Isabel Allegro ◽  
Bryce S. Richards ◽  
...  

2015 ◽  
Vol 6 (1) ◽  
Author(s):  
Sergii Yakunin ◽  
Loredana Protesescu ◽  
Franziska Krieg ◽  
Maryna I. Bodnarchuk ◽  
Georgian Nedelcu ◽  
...  

2015 ◽  
Vol 6 (1) ◽  
Author(s):  
Sergii Yakunin ◽  
Loredana Protesescu ◽  
Franziska Krieg ◽  
Maryna I. Bodnarchuk ◽  
Georgian Nedelcu ◽  
...  

Abstract Metal halide semiconductors with perovskite crystal structures have recently emerged as highly promising optoelectronic materials. Despite the recent surge of reports on microcrystalline, thin-film and bulk single-crystalline metal halides, very little is known about the photophysics of metal halides in the form of uniform, size-tunable nanocrystals. Here we report low-threshold amplified spontaneous emission and lasing from ∼10 nm monodisperse colloidal nanocrystals of caesium lead halide perovskites CsPbX3 (X=Cl, Br or I, or mixed Cl/Br and Br/I systems). We find that room-temperature optical amplification can be obtained in the entire visible spectral range (440–700 nm) with low pump thresholds down to 5±1 μJ cm−2 and high values of modal net gain of at least 450±30 cm−1. Two kinds of lasing modes are successfully observed: whispering-gallery-mode lasing using silica microspheres as high-finesse resonators, conformally coated with CsPbX3 nanocrystals and random lasing in films of CsPbX3 nanocrystals.


2016 ◽  
Vol 4 (6) ◽  
pp. 917-928 ◽  
Author(s):  
Fabian Panzer ◽  
Sebastian Baderschneider ◽  
Tanaji P. Gujar ◽  
Thomas Unger ◽  
Sergey Bagnich ◽  
...  

Nanoscale ◽  
2021 ◽  
Author(s):  
Maria Luisa De Giorgi ◽  
A. Creti ◽  
Maria-Grazia La-Placa ◽  
Pablo P. Boix ◽  
Henk J. Bolink ◽  
...  

Quasi-2D (two-dimensional) hybrid perovskites are emerging as a new class of materials with high photoluminescence yield and improved stability compared to their three-dimensional (3D) counterparts. Nevertheless, despite their outstanding emission...


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