Results 41 to 50 of about 4,322 (253)

Luminescent manganese-doped CsPbCl3 perovskite quantum dots [PDF]

Scientific Reports, 2017
AbstractNanocrystalline cesium lead halide perovskites (CsPbX3, X = Cl, Br, and I) form an exciting new class of semiconductor materials showing quantum confinement. The emission color can be tuned over the full visible spectral region making them promising for light‒emitting applications.
Chun Che Lin, Kun Yuan Xu, Da Wang, Andries Meijerink   +3 more
openaire   +4 more sources

Designed Lewis Acid–Base Passivation for High Performance Perovskite Solar Cells

Advanced Functional Materials, EarlyView.
ABSTRACT Silicon's high cost and long energy payback time remain major barriers to the global expansion of solar power. In contrast, metal–halide perovskites offer abundant, solution‐processable absorbers, and have achieved efficiencies of 25%–30%, positioning them as strong competitors to silicon.
Afna Manaf, Hiba Shahulhameed, Bhabani Sankar Swain, Shengzhong (Frank) Liu, Adel Najar   +4 more
wiley   +1 more source

Ultrasmall High‐Entropy Materials: Nanoscale Effects, Synthesis, and Mechanistic Insights

Advanced Functional Materials, EarlyView.
This review article focuses on sub‐10 nm high‐entropy materials that combine nanoscale design with complex compositions for next‐generation applications. ABSTRACT Ultrasmall high‐entropy nanomaterials (USHENMs, <10 nm) merge multicomponent chemistry with size‐dependent effects, forming a distinct class of materials with unprecedented properties.
Yueyue He, Wenbo Wang, Simon Schweidler, Yanjiao Ma, Ben Breitung, Torsten Brezesinski   +5 more
wiley   +1 more source

Establishment of soil moisture model based on hyperspectral data and growth parameters of winter wheat

Nano Research
The generation and manipulation of spin-polarized electrons at room temperature are essential for the development of advanced spin-optoelectronic devices. In this work, a one-pot method was used to successfully synthesize homogenous Mn:CsPbBr3 perovskite
Mengwei Chen, Chenguang Shen, Wei Huang, Yingping Yang, Jie Shen   +4 more
doaj   +1 more source

Phase Evolution Kinetics in Additive‐Free 19.75% Organic Photovoltaics Empowered by Solvent Vapor Annealing

Advanced Functional Materials, EarlyView.
Solvent vapor annealing enables kinetic control of additive‐free morphology in organic solar cells. Selective plasticization of acceptor forms an optimal fibrillar network, boosting efficiency to 19.06% (binary) and 19.75% (ternary), with ultrafast exciton dissociation and reduced recombination.
Jie Lv, Jieni Chen, Cenqi Yan, Patrick W. K. Fong, Jingjing Zhao, Daming Zheng, DingQin Hu, Xiaoman Ding, Xiaokang Sun, Chuanlin Gao, Guangye Zhang, Qianguang Yang, Can Zhu, Pei Cheng, Shirong Lu, Zhipeng Kan, Zhiwei Ren, Guangliu Ran, Wenkai Zhang, Hanlin Hu, Gang Li   +20 more
wiley   +1 more source

Near-infrared-triggered photon upconversion tuning in all-inorganic cesium lead halide perovskite quantum dots

Nature Communications, 2018
Optimizing luminescence from quantum dots benefits various optoelectronic and photovoltaic applications. Here the authors drive high-efficiency, tunable upconversion luminescence in perovskite quantum dots by energy transfer from lanthanide-doped ...
Wei Zheng, Ping Huang, Zhongliang Gong, Datao Tu, Jin Xu, Qilin Zou, Renfu Li, Wenwu You, Jean-Claude G. Bünzli, Xueyuan Chen   +9 more
doaj   +1 more source

High performance flexible photodetector based on 0D-2D perovskite heterostructure

Chip, 2023
: Flexible photodetectors (PDs) comprised of low-dimensional organic-inorganic hybrid perovskites with perovskite quantum dots are expected to be the next generation wearable optoelectronic devices.
Yali Ma, Yiwen Li, He Wang, Mengke Wang, Jun Wang   +4 more
doaj   +1 more source

Hybrid Solar Cell/Triboelectric Nanogenerator Based on Stable Two‐Dimensional Covalent Organic Frameworks

Advanced Functional Materials, EarlyView.
This study highlights the integration of stable two‐dimensional covalent organic framework (COF) films as photoactive layers in hybrid nanoenergy devices. The results demonstrate their capacity to generate electricity under both sunny and rainy conditions, showcasing versatility and resilience.
Joab D. Guerrero, Susana Ramos‐Terrón, Salvador R. G. Balestra, José M. Malagón, David Aparicio, Lucia Velasco, Asterios Charisiadis, Dooshaye Moonshiram, Margarita Darder, Pilar Aranda, Bernd Wicklein, Gustavo de Miguel, Javier Pérez‐Carvajal, Eva M. García‐Frutos   +13 more
wiley   +1 more source

Enhanced Long‐Term Luminescent Stability through Near‐Single‐Dot Passivation and Encapsulation of Perovskite Quantum Dots for Printable Photonics

Small Structures, 2023
Metal halide perovskites quantum dots (QDs) stand at the forefront of multifarious photonic applications, including micro‐light‐emitting diode and further augmented reality, virtual reality, and other novel display, lighting technologies.
Jiaxuan Wang, Dapeng Huang, Yifei Zhou, Chuan Liao, Peng Guo, Zexin Li, Guangjun Zhou, Xiaoqiang Yu, Jifan Hu   +8 more
doaj   +1 more source

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