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Halide perovskites have shown great potential for light emission and photovoltaic applications due to their remarkable electronic properties and compatibility with cost-effective fabrication techniques. Although the device performances are…

Metal halide perovskites feature excellent absorption, emission and charge carrier transport properties. These materials are therefore very well suited for photovoltaics applications where there is a growing interest. Still, questions arise…

Owing to their exceptional semiconducting properties, hybrid inorganic-organic perovskites show great promise as photovoltaic absorbers. In these materials, long-range diffusion of charge carriers allows for most of the photogenerated…

Organometal halide perovskite has emerged as a promising material for solar cells and optoelectronics. Although the long diffusion length of photo-generated carriers is believed to be a critical factor responsible for the material's high…

Materials Science · Physics 2016-12-30 Shuhao Liu , Lili Wang , Wei-Chun Lin , Sukrit Sucharitakul , Clemens Burda , Xuan. P. A. Gao

The unprecedented rise in power conversion efficiency of solar cells based on metal halide perovskites (MHPs) has led to enormous research effort to understand their photo-physical properties. In this paper, we review the progress in…

Applied Physics · Physics 2020-07-10 Tom J. Savenije , Dengyang Guo , Valentina M. Caselli , Eline M. Hutter

Many optoelectronic properties have been reported for lead halide perovskite polycrystalline films. However, ambiguities in the evaluation of these properties remain, especially for long-range lateral charge transport, where ionic…

Understanding energy transport in semiconductors is critical for design of electronic and optoelectronic devices. Semiconductor material properties such as charge carrier mobility or diffusion length are commonly measured in bulk crystals…

Nanoscale investigations by scanning probe microscopy have provided major contributions to the rapid development of organic-inorganic halide perovskites (OIHP) as optoelectronic devices. Further improvement of device level properties…

With hybrid organic-inorganic perovskites increasing its technological reach, from photovoltaics solar cells to light-emitting devices, to nanoscale transistors, it is critical to establish the role of microstructures in dictating how…

Mesoscale and Nanoscale Physics · Physics 2022-01-19 Bibek S. Dhami , Ravi P. N. Tripathi , David J. Hoxie , Kannatassen Appavoo

In optoelectronic applications, metal halide perovskites (MHPs) are compelling materials because of their highly tuneable and intensely competitive optical properties. Colloidal synthesis enables the controlled formation of various…

Metal halide perovskites represent a flourishing area of research, driven by both their potential application in photo-voltaics and optoelectronics, and for the fundamental science underpinning their unique optoelectronic properties. The…

Materials Science · Physics 2020-10-29 Javad Shamsi , Alexander S. Urban , Muhammad Imran , Luca De Trizio , Liberato Manna

The measurement and description of the charge-carrier lifetime (tauc) is crucial for the wide-ranging applications of lead-halide perovskites. We present time-resolved microwave-detected photoconductivity decay (TRMCD) measurements and a…

Materials Science · Physics 2024-11-11 A. Bojtor , D. Krisztian , F. Korsos , S. Kollarics , G. Parada , M. Kollar , E. Horvath , X. Mettan , B. G. Markus , L. Forro , F. Simon

Quasi-two-dimensional (quasi-2D) metal halide perovskites exhibit rich phase heterogeneity that profoundly influences light-matter interactions and charge transport. However, the fundamental mechanisms governing carrier transfer across…

Materials Science · Physics 2025-12-09 Soumya Halder , Koushik Gayen , Nagendra S. Kamath , Suman Kalyan Pal

Predicting and explaining charge carrier transport in halide perovskites is a formidable challenge because of the unusual vibrational and electron-phonon coupling properties of these materials. This study explores charge carrier transport…

Materials Science · Physics 2025-05-27 Frederik Vonhoff , Maximilian J. Schilcher , David R. Reichman , David A. Egger

Next-generation low-cost semiconductors such as halide perovskites exhibit optoelectronic properties dominated by nanoscale variations in their structure, composition and photophysics. While microscopy provides a proxy for ultimate device…

We spatially resolve photocarrier dynamics in halide perovskites using time-resolved electrostatic force microscopy (trEFM) to map surface potential equilibration during photoexcitation. Following treatment with different surface…

Materials Science · Physics 2024-12-06 Madeleine D. Breshears , Justin Pothoof , Rajiv Giridharagopal , David S. Ginger

Here we develop a microscopic approach aimed at the description of a suite of physical effects related to carrier transport in, and the optical properties of, halide perovskites. Our theory is based on the description of the nuclear…

Materials Science · Physics 2018-11-13 Matthew Z. Mayers , Liang Z. Tan , David A. Egger , Andrew M. Rappe , David R. Reichman

Perovskite photovoltaics has witnessed an unprecedented increase in power conversion efficiency over the last decade. The choice of transport layers, through which photo-generated electrons and holes are transported to the electrodes, is a…

Applied Physics · Physics 2020-07-10 Eline M. Hutter , Thomas Kirchartz , Bruno Ehrler , David Cahen , Elizabeth von Hauff

Perovskite solar cells (PSCs) represent a breakthrough in photovoltaic technology, combining high power conversion efficiencies (PCEs), ease of fabrication, and tunable optoelectronic properties. However, their commercial viability is…

Materials Science · Physics 2025-06-30 Dilshod Nematov

The high performance of hybrid perovskite based devices is attributed to its excellent bulk-transport properties. However, carrier dynamics, especially at the metal-perovskite interface, and its influence on device operation are not widely…

Materials Science · Physics 2022-02-25 N. Ganesh , A. Z. Ashar , Sumukh Purohit , K. L. Narasimhan , K. S. Narayan
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