Results 21 to 30 of about 1,921 (222)

Comparing the performances of Cs2TiBr6, Cs2AgBiBr6, and Cs2PtI6 halide compositions in double perovskite photovoltaic devices

Materials for Renewable and Sustainable Energy
For commercial purposes in the solar cell field which toxicity and stability of lead-based perovskite solar cells (PSC) are important challenges, the presence of lead-free alternatives like Cs2TiBr6, Cs2AgBiBr6 and Cs2PtI6 double perovskites seems ...
Masood Mehrabian, Maryam Taleb-Abbasi, Omid Akhavan   +2 more
doaj   +2 more sources

Topological polarons in halide perovskites. [PDF]

Proc Natl Acad Sci U S A
Halide perovskites emerged as a revolutionary family of high-quality semiconductors for solar energy harvesting and energy-efficient lighting. There is mounting evidence that the exceptional optoelectronic properties of these materials could stem from ...
Lafuente-Bartolome J, Lian C, Giustino F.   +2 more
europepmc   +2 more sources

The Toxicity of Lead and Lead‐Free Perovskite Precursors and Nanocrystals to Human Cells and Aquatic Organisms [PDF]

Advanced Science
Halide perovskites have emerged at the forefront of semiconductor materials for photovoltaic and light‐emitting devices. However, long‐term stability and toxicity are the major barriers to their commercialization. In particular, the toxicity of lead (Pb)
Immacolata Maietta, Clara Otero‐Martínez, Sabela Fernández, Laura Sánchez, África González‐Fernández, Lakshminarayana Polavarapu, Rosana Simón‐Vázquez   +6 more
doaj   +2 more sources

Machine‐Learning‐Assisted Discovery of Mechanosynthesized Lead‐Free Metal Halide Perovskites for the Oxidative Photocatalytic Cleavage of Alkenes [PDF]

Advanced Science
Lead‐free metal halide perovskites can potentially be air‐ and water‐stable photocatalysts for organic synthesis, but there are limited studies on them for this application.
Yonghao Xiao, Khokan Choudhuri, Adisak Thanetchaiyakup, Wei Xin Chan, Xinwen Hu, Mansour Sadek, Ying Hern Tam, Ryan Guanying Loh, Sharifah Nadhirah Binte Shaik Mohammed, Kendric Jian Ying Lim, Ju Zheng Ten, Felipe Garcia, Vijila Chellappan, Tej S. Choksi, Yee‐Fun Lim, Han Sen Soo   +15 more
doaj   +2 more sources

Simulation study on lead-free double Cs2AgBiBr6/GaAs tandem solar cells

Journal of Ovonic Research
Cs2AgBiBr6, a double perovskite devoid of lead, is a remarkable alternative to traditional perovskite solar cells. This research utilised Silvaco TCAD simulation software to construct and examine lead-free double Cs2AgBiBr6/gallium arsenide tandem devices.
M. J. Yu, J. R. Yuan, X. H. Deng
openaire   +2 more sources

Perovskite materials in X-ray detection and imaging: recent progress, challenges, and future prospects. [PDF]

RSC Adv
Perovskite materials have attracted significant attention as innovative and efficient X-ray detectors owing to their unique properties compared to traditional X-ray detectors.
Miah MH, Khandaker MU, Aminul Islam M, Nur-E-Alam M, Osman H, Ullah MH.   +5 more
europepmc   +3 more sources

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   +2 more sources

Air processed Cs2AgBiBr6 lead-free double perovskite high-mobility thin-film field-effect transistors

Scientific Reports, 2022
This study focuses on the fabrication and characterization of Cs2AgBiBr6 double perovskite thin film for field-effect transistor (FET) applications.
Gnanasampanthan Abiram, Fatemeh Heidari Gourji, Selvakumar Pitchaiya, Punniamoorthy Ravirajan, Thanihaichelvan Murugathas, Dhayalan Velauthapillai   +5 more
doaj   +1 more source

Light-activated Multilevel Resistive Switching Storage in Pt/Cs2AgBiBr6/ITO/Glass Devices

Nanoscale Research Letters, 2021
High-density Cs2AgBiBr6 films with uniform grains were prepared by a simple one-step and low-temperature sol–gel method on indium tin oxide (ITO) substrates.
Tingting Zhong, Yongfu Qin, Fengzhen Lv, Haijun Qin, Xuedong Tian   +4 more
doaj   +1 more source

Enhancing the X-ray Sensitivity of Cs₂AgBiBr₆ Double Perovskite Single Crystals through Cation Engineering. [PDF]

ACS Appl Opt Mater
Valli D, Zhang H, Betušiak M, Romolini G, Meulemans A, Escudero D, Seth S, Zhao Q, Zhu Z, Bonn M, Belas E, Grill R, Wang H, Hofkens J, Debroye E.   +14 more
europepmc   +3 more sources