Results 101 to 110 of about 1,361 (209)

Deep insight into structural and optoelectronic properties of mixed anion perovskites [PDF]

Here we present the optoelectronic properties of pure inorganic lead-free halide perovskites in the form of Cs2AgBiX6 (X = Br, Cl, F, I) using the density functional theory calculations on cubic phase (Fm Misplaced & m) and tetragonal phase (I4/m). First,
Arunasalam, Thevakaran, Eidsvåg, Håkon, Ponniah, Vajeeston, Ravirajan, Punniamoorthy, Velauthapillai, Dhayalan, Wanniarachchi, Chapa   +5 more
core   +1 more source

Electronic structure and optical properties of halide double perovskites from a Wannier-localized optimally-tuned screened range-separated hybrid functional [PDF]

Halide double perovskites are a chemically diverse and growing class of compound semiconductors that are promising for optoelectronic applications. However, the prediction of their fundamental gaps and optical properties with density functional theory ...
Filip, Marina R, Gant, Stephen E, Haber, Jonah B, Kronik, Leeor, Neaton, Jeffrey B, Ohad, Guy, Sagredo, Francisca   +6 more
core   +6 more sources

All‐in‐one perovskite memristor with tunable photoresponsivity

InfoMat
Photoelectric memristors have shown great potential for future machine visions, via integrating sensing, memory, and computing (namely “all‐in‐one”) functions in a single device.
Guan‐Hua Dun, Yuan‐Yuan Li, Hai‐Nan Zhang, Fan Wu, Xi‐Chao Tan, Ken Qin, Yi‐Chu He, Ze‐Shu Wang, Yu‐Hao Wang, Tian Lu, Shi‐Wei Tian, Dan Xie, Jia‐Li Peng, Xiang‐Shun Geng, Xiao‐Tong Zhao, Jia‐He Zhang, Yu‐Han Zhao, Xiaoyu Wu, Ning‐Qin Deng, Zheng‐Qiang Zhu, Yan Li, Xian‐Zhu Liu, Xing Wu, Weida Hu, Peng Zhou, Yang Chai, Mario Lanza, He Tian, Yi Yang, Tian‐Ling Ren   +29 more
doaj   +1 more source

Electronic processes in metal halide perovskites [PDF]

, 2018
Metal halide perovskites are a class of materials which have recently achieved remarkable success in solar cells. The rapid rate of improvement in the efficiencies of perovskite-based devices has however often outpaced understanding of the electronic ...
Wright, Adam
core   +1 more source

Cs2AgBiBr6 Perovskites: Designing Stable, Sensitive and Selective Eco‐friendly Ozone Sensors

Advanced Sensor Research
Lead halide perovskites have shown great promise for gas sensing applications due to their ability to detect and respond to gas exposures at room temperature. However, the toxicity of lead raises concerns, hindering their widespread use.
Aikaterini Argyrou, Rafaela Maria Giappa, Emmanouil Gagaoudakis, Vassilios Binas, Ioannis Remediakis, Konstantinos Brintakis, Athanasia Kostopoulou, Emmanuel Stratakis   +7 more
doaj   +1 more source

Revealing Local Disorder in a Silver-Bismuth Halide Perovskite upon Compression [PDF]

, 2021
Chapman, Karena W., Girdzis, Samuel P., Karunadasa, Hemamala I., Leppert, Linn, Lin, Yu, Mao, Wendy L., Park, Sulgiye, Slavney, Adam H.   +7 more
core   +1 more source

High-efficiency lead-free all-perovskite tandem solar cells achieving 28.22 % power conversion efficiency: A Cs2AgBi0.75Sb0.25Br6/FASnI3 heterostructure design

Results in Optics
This research looks at how well an all-perovskite, lead-free tandem solar cell works. It has a wide-bandgap (1.8 eV) Cs2AgBi0.75Sb0.25Br6 top subcell and a narrow-bandgap (1.41 eV) FASnI3 bottom subcell.
Sarowr Basm Almahsen, Ghaleb Ali Al-Dahash   +1 more
doaj   +1 more source

Cs2AgBiBr6/HfSe2 (0D/2D) nano-hetero interface for superior photoconduction via efficient charge separation

JPhys Energy
The optoelectronic phenomena of mixed-dimensional systems are captivating due to the presence of notably distinct electronic state spectra on either side of the interface.
Kalyanee Patil, Luminita Harnagea, Tisita Das, Tejashree Bhave, Satishchandra Ogale   +4 more
doaj   +1 more source

Amine Gas‐Induced Reversible Optical Bleaching of Bismuth‐Based Lead‐Free Perovskite Thin Films

Advanced Science
Reversible optical property changes in lead‐free perovskites have recently received great interest due to their potential applications in smart windows, sensors, data encryption, and various on‐demand devices.
Fuxiang Ji, Bin Zhang, Weimin M Chen, Irina A Buyanova, Feng Wang, Gerrit Boschloo   +5 more
doaj   +1 more source

First-principles study of Cs2AgXBr6 (X = In, Bi): A hierarchy of functional performance for renewable energy applications

Ain Shams Engineering Journal
In recent years, lead-free double halide perovskites have attracted significant attention due to their potential in renewable energy technologies. To explore their suitability for eco-friendly applications, we have investigated the structural, elastic ...
Ghiyas Anwar, Zafar Iqbal, Muhammad Majid Gulzar, Ali Arishi   +3 more
doaj   +1 more source