Results 31 to 40 of about 38,911 (187)

A Review on Lead-Free Hybrid Halide Perovskites as Light Absorbers for Photovoltaic Applications Based on Their Structural, Optical, and Morphological Properties

Molecules, 2020
Despite the advancement made by the scientific community in the evolving photovoltaic technologies, including the achievement of a 29.1% power conversion efficiency of perovskite solar cells over the past two decades, there are still numerous challenges ...
Shadrack J. Adjogri, Edson L. Meyer
doaj   +1 more source

Simulation of X-ray imaging property of halide lead perovskite scintillators

He jishu, 2022
BackgroundIn recent years, lead halide perovskite scintillators have received extensive attention in the field of X-ray imaging. Hard X-ray medical imaging in energy range of 20~120 keV using scintillator detectors, sensitivity and imaging spatial ...
ZHANG Yuyu, YANG Zhi, SHENG Liang, DUAN Baojun, YAN Weipeng, SONG Yan, WANG Minqiang   +6 more
doaj   +1 more source

Light-induced picosecond rotational disordering of the inorganic sublattice in hybrid perovskites. [PDF]

, 2017
Femtosecond resolution electron scattering techniques are applied to resolve the first atomic-scale steps following absorption of a photon in the prototypical hybrid perovskite methylammonium lead iodide.
Coffee, Ryan, Egger, David A, Fry, Alan, Guzelturk, Burak, Hu, Te, Karunadasa, Hemamala I, Kronik, Leeor, Li, Renkai, Lindenberg, Aaron M, Liu, Shi, Makasyuk, Igor, Miyata, Kiyoshi, Rappe, Andrew M, Robinson, Joseph S, Shen, Xiaozhe, Smith, Matthew D, Tan, Liang Z, Trinh, M Tuan, Wang, Xijie, Wu, Xiaoxi, Zheng, Qiang, Zhu, Xiaoyang   +21 more
core   +2 more sources

Suppressed Phase Separation of Mixed-Halide Perovskite Quantum Dots Confined in Mesoporous Metal Organic Frameworks

Nanomaterials, 2023
Mixed-halide perovskite quantum dots (PeQDs) are the most competitive candidates in designing solar cells and light-emitting devices (LEDs) due to their tunable bandgap and high-efficiency quantum yield.
Duanqi Ma, Yanlin Xu, Qiuying Chen, Huafeng Ding, Xiaoming Tan, Qinfeng Xu, Chuanlu Yang   +6 more
doaj   +1 more source

Thermodynamics and the intrinsic stability of lead halide perovskites CH3NH3PbX3 [PDF]

, 2018
The role of thermodynamics in assessing the intrinsic instability of the CH3NH3PbX3 perovskites (X = Cl,Br,I) is outlined on the basis of the available experimental information.
Ciccioli, A., Latini, A.
core   +1 more source

Performance data of CH3NH3PbI3 inverted planar perovskite solar cells via ammonium halide additives

Data in Brief, 2019
The data provided in this data set is the study of organic-inorganic hybrid perovskite solar cells fabricated through incorporating the small amounts of ammonium halide NH4X (X = F, Cl, Br, I) additives into a CH3NH3PbI3 (MAPbI3) perovskite solution and ...
Muhammad Jahandar, Nasir Khan, Muhammad Jahankhan, Chang Eun Song, Hang Ken Lee, Sang Kyu Lee, Won Suk Shin, Jong-Cheol Lee, Sang Hyuk Im, Sang-Jin Moon   +9 more
doaj   +1 more source

Quasi-2D lead halide perovskite gain materials toward electrical pumping laser

Nanophotonics, 2021
Quasi two-dimensional (2D) lead halide perovskite materials have shown outstanding performance in various photoelectric devices, including perovskite light-emitting diodes (LEDs) and perovskite optical pumping lasers.
Zhao Chenyang, Qin Chuanjiang
doaj   +1 more source

Defect Activity in Lead Halide Perovskites [PDF]

Advanced Materials, 2019
AbstractThe presence of various types of chemical interactions in metal‐halide perovskite semiconductors gives them a characteristic “soft” fluctuating structure, prone to a wide set of defects. Understanding of the nature of defects and their photochemistry is summarized, which leverages the cooperative action of density functional theory ...
Motti Silvia G, Meggiolaro Daniele, Martani Samuele, Sorrentino Roberto, Barker Alex J, De Angelis Filippo, Petrozza Annamaria   +6 more
openaire   +5 more sources

Halide Perovskites for Nonlinear Optics

Advanced Materials, 2019
AbstractHalide perovskites provide an ideal platform for engineering highly promising semiconductor materials for a wide range of applications in optoelectronic devices, such as photovoltaics, light‐emitting diodes, photodetectors, and lasers. More recently, increasing research efforts have been directed toward the nonlinear optical properties of ...
Jialiang Xu, Xinyue Li, Jianbo Xiong, Chunqing Yuan, Sergey Semin, Theo Rasing, Xian‐He Bu   +6 more
openaire   +4 more sources

Halide Perovskites’ Multifunctional Properties: Coordination Engineering, Coordination Chemistry, Electronic Interactions and Energy Applications beyond Photovoltaics

Inorganics
Halide perovskite materials have gained enormous attention for their semiconducting properties, higher power conversion efficiency and potential applications in a wide range of fields of study, along with their two key limitations: stability and toxicity.
Taame Abraha Berhe, Wei-Nien Su, Bing Joe Hwang   +2 more
doaj   +1 more source