Results 41 to 50 of about 77,713 (274)

Biological impact of lead from halide perovskites reveals the risk of introducing a safe threshold

Nature Communications, 2020
Halide perovskites are promising for next generation photovoltaic technology but their environmental impact has not been fully evaluated. Here Li et al.
Junming Li, Hai-Lei Cao, Wen-Bin Jiao, Qiong Wang, Mingdeng Wei, Irene Cantone, Jian Lü, Antonio Abate   +7 more
doaj   +1 more source

Perovskite oxides as transparent semiconductors: a review

Nano Convergence, 2020
Traditional transparent conducting oxides (TCOs) have been widely used for various optoelectronic applications, but have the trade-off between conductivity and transmittance.
Haiying He, Zhihao Yang, Yonghang Xu, Andrew T. Smith, Guangguang Yang, Luyi Sun   +5 more
doaj   +1 more source

Low energy paths for octahedral tilting in inorganic halide perovskites

, 2018
Instabilities relating to cooperative octahedral tilting is common in materials with perovskite structures, and in particular in the sub class of halide perovskites.
Klarbring, Johan
core   +1 more source

Phase equilibria and thermodynamic properties of oxide systems on the basis of rare earth, alkaline earth and 3d-transition (Mn, Fe, Co) metals. A short overview of [PDF]

, 2015
Review is dedicated studies of phase equilibria in the systems based on rare earth elements and 3d transition metals. It’s highlighted several structural families of these compounds and is shown that many were found interesting properties for practical ...
Aksenova, T. V., Cherepanov, V. A., Gavrilova, L. Ya., Kiselev, E., Urusova, A. S., Volkova, N. E.   +5 more
core   +2 more sources

Actively Tunable “Single Peak/Broadband” Absorbent, Highly Sensitive Terahertz Smart Device Based on VO₂

Micromachines
In recent years, the development of terahertz (THz) technology has attracted significant attention. Various tunable devices for THz waves (0.1 THz–10 THz) have been proposed, including devices that modulate the amplitude, polarization, phase, and ...
Baodian Fan, Hao Tang, Pinghui Wu, Yu Qiu, Linqin Jiang, Lingyan Lin, Jianzhi Su, Bomeng Zhou, Miao Pan   +8 more
doaj   +1 more source

A Review of Three-Dimensional Tin Halide Perovskites as Solar Cell Materials

Materials Research, 2022
Thin film solar cell materials such as 3D metal halide perovskites are cheaper alternatives to silicon. Presently, the conversion efficiency of 3D lead halide perovskites is 25.5% (2021), which represents an increase of more than 550% since their ...
M. Dawson, C. Ribeiro, M. R. Morelli
doaj   +1 more source

First-principles study of epitaxial strain in perovskites

, 2005
Using an extension of a first-principles method developed by King-Smith and Vanderbilt [Phys. Rev. B {\bf 49}, 5828 (1994)], we investigate the effects of in-plane epitaxial strain on the ground-state structure and polarization of eight perovskite oxides:
D. Vanderbilt, David Vanderbilt, J. B. Neaton, J. S. Speck, Karin M. Rabe, M. E. Lines, Oswaldo Diéguez   +6 more
core   +1 more source

Bias‐Free Highly Efficient and Stable Dye‐Sensitized Photoelectrochemical Cells via Cascade Charge Transfer

Advanced Functional Materials, EarlyView.
A buried‐junction DSPEC design is introduced that leverages cascade charge transfer to enhance efficiency, stability, and versatility. This approach facilitates effective charge transfer and minimizes recombination losses, leading to significant improvements.
Jun‐Hyeok Park, Kyounglim Kim, Jinyoung Lee, Sarang Kim, Gwangsu Yoon, So Yeon Yoon, Jeong Kyeong Lee, Ji‐Wook Jang, Tae‐Hyuk Kwon   +8 more
wiley   +1 more source

Enabling low-drift flexible perovskite photodetectors by electrical modulation for wearable health monitoring and weak light imaging

Nature Communications, 2023
Metal halide perovskites are promising for next-generation flexible photodetectors owing to their low-temperature solution processability, mechanical flexibility, and excellent photoelectric properties. However, the defects and notorious ion migration in
Yingjie Tang, Peng Jin, Yan Wang, Dingwei Li, Yitong Chen, Peng Ran, Wei Fan, Kun Liang, Huihui Ren, Xuehui Xu, Rui Wang, Yang (Michael) Yang, Bowen Zhu   +12 more
doaj   +1 more source

An Environmentally Stable and Lead-Free Chalcogenide Perovskite

, 2019
Organic-inorganic halide perovskites are intrinsically unstable when exposed to moisture and/or light. Additionally, the presence of lead in many perovskites raises toxicity concerns.
Balasubramanian, Ganesh, Basu, Swastik, Chow, Philippe K., Efstathiadis, Harry, Ghoshal, Debjit, Gupta, Tushar, Koratkar, Nikhil, Lakhnot, Aniruddha S., Lu, Toh-Ming, Meunier, Vincent, Osei-Agyemang, Eric, Pandey, Juhi, Shi, Su-Fei, Soni, Ajay, Warrender, Jeffrey M., Yoshimura, Anthony, Zhang, Shengbai   +16 more
core   +1 more source