Fluorescent Alloy CsPb x Mn1- x I3 Perovskite Nanocrystals with High Structural and Optical Stability [0.03%]
结构和光学稳定性优异的锰离子掺杂铯铅卤钙钛矿纳米晶闪烁体合金(CsPb x Mn1- x I3)
Quinten A Akkerman,Daniele Meggiolaro,Zhiya Dang et al.
Quinten A Akkerman et al.
CsPbI3 nanocrystals are still limited in their use because of their phase instability as they degrade into the yellow nonemitting δ-CsPbI3 phase within a few days. We show that alloyed CsPb x Mn1-x I3 nanocrystals have essentially the same...
Semi-Interpenetrating Polymer Networks for Enhanced Supercapacitor Electrodes [0.03%]
用于增强超级电容器电极的半互穿聚合物网络
Kara D Fong,Tiesheng Wang,Hyun-Kyung Kim et al.
Kara D Fong et al.
Conducting polymers show great promise as supercapacitor materials due to their high theoretical specific capacitance, low cost, toughness, and flexibility. Poor ion mobility, however, can render active material more than a few tens of nano...
Crystallographic Data Support the Carousel Mechanism of Water Supply to the Oxygen-Evolving Complex of Photosystem II [0.03%]
晶体学数据支持光系统II中向氧气演化复合体供水的 carousel 机制
Jimin Wang,Mikhail Askerka,Gary W Brudvig et al.
Jimin Wang et al.
Photosystem II (PSII) oxidizes water to produce oxygen through a four-step photocatalytic cycle. Understanding PSII structure-function relations is important for the development of biomimetic photocatalytic systems. The quantum mechanics/mo...
Modeling the Performance Limitations and Prospects of Perovskite/Si Tandem Solar Cells under Realistic Operating Conditions [0.03%]
基于实际工作条件的钙钛矿/硅串联太阳电池性能局限性及发展前景的研究
Moritz H Futscher,Bruno Ehrler
Moritz H Futscher
Perovskite/Si tandem solar cells have the potential to considerably out-perform conventional solar cells. Under standard test conditions, perovskite/Si tandem solar cells already outperform the Si single junction. Under realistic conditions...
Lead Halide Perovskite Nanocrystals in the Research Spotlight: Stability and Defect Tolerance [0.03%]
lead卤化物钙钛矿纳米晶研究亮点：稳定性与缺陷容忍度
He Huang,Maryna I Bodnarchuk,Stephen V Kershaw et al.
He Huang et al.
This Perspective outlines basic structural and optical properties of lead halide perovskite colloidal nanocrystals, highlighting differences and similarities between them and conventional II-VI and III-V semiconductor quantum dots. A detail...
Vapour-Deposited Cesium Lead Iodide Perovskites: Microsecond Charge Carrier Lifetimes and Enhanced Photovoltaic Performance [0.03%]
蒸汽沉积的碘化铯铅钙钛矿：微秒载流子寿命和增强的光伏性能
Eline M Hutter,Rebecca J Sutton,Sanjana Chandrashekar et al.
Eline M Hutter et al.
Metal halide perovskites such as methylammonium lead iodide (MAPbI3) are highly promising materials for photovoltaics. However, the relationship between the organic nature of the cation and the optoelectronic quality remains debated. In thi...
Recombination in Perovskite Solar Cells: Significance of Grain Boundaries, Interface Traps, and Defect Ions [0.03%]
钙钛矿太阳能电池中的重组：晶界、界面陷阱和缺陷离子的意义
Tejas S Sherkar,Cristina Momblona,Lidón Gil-Escrig et al.
Tejas S Sherkar et al.
Trap-assisted recombination, despite being lower as compared with traditional inorganic solar cells, is still the dominant recombination mechanism in perovskite solar cells (PSCs) and limits their efficiency. We investigate the attributes o...
A Silicon-Singlet Fission Tandem Solar Cell Exceeding 100% External Quantum Efficiency with High Spectral Stability [0.03%]
一种高性能的硅基单线态裂变串联系统太阳能电池（外部量子效率超过100%）
Luis M Pazos-Outón,Ju Min Lee,Moritz H Futscher et al.
Luis M Pazos-Outón et al.
After 60 years of research, silicon solar cell efficiency saturated close to the theoretical limit, and radically new approaches are needed to further improve the efficiency. The use of tandem systems raises this theoretical power conversio...
Insights into Photosystem II from Isomorphous Difference Fourier Maps of Femtosecond X-ray Diffraction Data and Quantum Mechanics/Molecular Mechanics Structural Models [0.03%]
基于飞秒X射线衍射数据同形差Fourier电子密度图和量子力学/分子力学结构模型探讨光系统II的结构功能关系
Jimin Wang,Mikhail Askerka,Gary W Brudvig et al.
Jimin Wang et al.
Understanding structure-function relations in photosystem II (PSII) is important for the development of biomimetic photocatalytic systems. X-ray crystallography, computational modeling, and spectroscopy have played central roles in elucidat...
N-Methylformamide as a Source of Methylammonium Ions in the Synthesis of Lead Halide Perovskite Nanocrystals and Bulk Crystals [0.03%]
甲基 formamide作为甲铵离子在铅卤钙钛矿纳米晶和体晶合成中的来源
Javad Shamsi,Ahmed L Abdelhady,Sara Accornero et al.
Javad Shamsi et al.
We report chemical routes for the synthesis of both nanocrystals and bulk crystals of methylammonium (MA) lead halide perovskites employing N-methylformamide (NMF) as a source of MA ions. Colloidal nanocrystals were prepared by a transamida...