Results 61 to 70 of about 1,921 (222)

Highly ordered lead-free double perovskite halides by design

Journal of Materiomics, 2020
Lead-free double perovskite halides are emerging optoelectronic materials that are alternatives to lead-based perovskite halides. Recently, single-crystalline double perovskite halides were synthesized, and their intriguing functional properties were ...
Chang Won Ahn, Jae Hun Jo, Jong Chan Kim, Hamid Ullah, Sangkyun Ryu, Younghun Hwang, Jin San Choi, Jongmin Lee, Sanghan Lee, Hyoungjeen Jeen, Young-Han Shin, Hu Young Jeong, Ill Won Kim, Tae Heon Kim   +13 more
doaj   +1 more source

Advances in Halide Perovskites for Photon Radiation Detectors

Advanced Materials Technologies, EarlyView.
This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang, Jieqi Wang, Xiaojun Cui, Carsten Ronning   +3 more
wiley   +1 more source

Understanding and Controlling the Optoelectronic Properties of Cs2AgBiBr6 Double Perovskite

, 2022
Halide double perovskites have gained significant attention, owing to their composition of low-toxicity elements, stability in air and long charge-carrier lifetimes. In particular, Cs2AgBiBr6 has been the subject of many investigations in photovoltaic devices.
openaire   +1 more source

Tuning the bandgap of Cs2AgBiBr6 through dilute tin alloying. [PDF]

, 2019
The promise of lead halide hybrid perovskites for optoelectronic applications makes finding less-toxic alternatives a priority. The double perovskite Cs2AgBiBr6 (1) represents one such alternative, offering long carrier lifetimes and greater stability ...
Gold-Parker, Aryeh, Karunadasa, Hemamala I, Leppert, Linn, Lindquist, Kurt P, Mack, Stephanie A, Neaton, Jeffrey B, Salleo, Alberto, Slavney, Adam H, Stebbins, Jonathan F, Toney, Michael F   +9 more
core  

Understanding the role of grain boundaries on charge-carrier and ion transport in Cs2AgBiBr6 thin films [PDF]

, 2021
Halide double perovskites have gained significant attention, owing to their composition of low-toxicity elements, stability in air, and recent demonstrations of long charge-carrier lifetimes that can exceed 1 s.
Dai, L, Friend, R, Greenham, N, Hoye, R, Huang, Y-T, Kusch, G, Li, Z, Oliver, R, Pradhan, D, Senanayak, S, Shivanna, R, Sirringhaus, H, Ye, J, Zhang, Y   +13 more
core   +1 more source

Toward Reliable Metal Halide Perovskite FETs: From Electronic Structure and Device Physics to Stability and Performance Engineering

Advanced Electronic Materials, EarlyView.
Metal halide perovskite field‐effect transistors (PeFETs) offer great promise for flexible, low‐cost, and high‐performance due to their excellent charge carrier properties. However, challenges like ion migration, hysteresis, and instability limit their performance.
Georgios Chatzigiannakis, Anastasia Soultati, Leonidas C. Palilis, Ermioni Polydorou, Konstantinos Davazoglou, Petros‐Panagis Filippatos, Goutham Raj Perumallapelli, Ravindra Naik Bukke, Abd. Rashid bin Mohd Yusoff, Ilhwan Ryu, Peng Gao, Alexander Chroneos, Mohammad Khaja Nazeeruddin, Maria Vasilopoulou   +13 more
wiley   +1 more source

Optoelectronic Resistive Memory Based on Lead‐Free Cs2AgBiBr6 Double Perovskite for Artificial Self‐Storage Visual Sensors

Advanced Electronic Materials, 2023
Mimicking the human visual memory system has attractive prospects in the field of artificial vision. However, the prominent challenge of realizing human visual memory is how to detect and store image information at the same time, which demands a ...
Haibo Ye, Zhiyong Liu, Bo Sun, Xuning Zhang, Tielin Shi, Guanglan Liao   +5 more
doaj   +1 more source

Electrode‐Engineered Dual‐Mode Multifunctional Lead‐Free Perovskite Optoelectronic Memristors for Neuromorphic Computing

Advanced Electronic Materials, EarlyView.
A lead‐free perovskite memristive solar cell structure that call emulate both synaptic and neuronal functions controlled by light and electric fields depending on top electrode type. ABSTRACT Memristive devices based on halide perovskites hold strong promise to provide energy‐efficient systems for the Internet of Things (IoT); however, lead (Pb ...
Michalis Loizos, Konstantinos Rogdakis, Konstantinos Chatzimanolis, Katerina Anagnostou, Emmanuel Kymakis   +4 more
wiley   +1 more source

Solar Degradation and Stability of Lead‐Free Light Absorber Cs2AgBiBr6 in Ambient Conditions

Advanced Photonics Research
As numerous studies on highly efficient perovskite solar cells have been conducted on lead‐based light absorbers, such as MAPbI3 and FAPbI3, increasing concerns are rising regarding toxicity and stability issues.
Dennis Michael Jöckel, Songhak Yoon, Alexander Frebel, Samuel Meles Neguse, Jürgen Dieter Rossa, Alexander Jürgen Bett, Martin Schubert, Marc Widenmeyer, Benjamin Balke–Grünewald, Anke Weidenkaff   +9 more
doaj   +1 more source

Structure and Stability of the Iodide Elpasolite, Cs2AgBiI6

, 2023
Iodide elpasolites (or double perovskites, A2B'B"I6, B' = M+, B" = M3+) are predicted to be promising alternatives to lead-based perovskite semiconductors for photovoltaic and optoelectronic applications, but no iodide elpasolite has ever been ...
De Yoreo, James J., Gamelin, Daniel R., Kluherz, Kyle T., Mergelsberg, Sebastian T.   +3 more
core