Visualizing Buried Local Carrier Diffusion in Halide Perovskite Crystals via Two-Photon Microscopy [0.03%]
利用双光子显微镜可视化卤化物钙钛矿晶体中的埋藏局部载流子扩散现象
Camille Stavrakas,Géraud Delport,Ayan A Zhumekenov et al.
Camille Stavrakas et al.
Halide perovskites have shown great potential for light emission and photovoltaic applications due to their remarkable electronic properties. Although the device performances are promising, they are still limited by microscale heterogeneiti...
Toward Improved Environmental Stability of Polymer:Fullerene and Polymer:Nonfullerene Organic Solar Cells: A Common Energetic Origin of Light- and Oxygen-Induced Degradation [0.03%]
面向聚合物:富勒烯和聚合物:非富勒烯有机太阳能电池环境稳定性的提升:光照和氧气导致的降解具有共同的能量来源
Emily M Speller,Andrew J Clarke,Nicholas Aristidou et al.
Emily M Speller et al.
With the emergence of nonfullerene electron acceptors resulting in further breakthroughs in the performance of organic solar cells, there is now an urgent need to understand their degradation mechanisms in order to improve their intrinsic s...
Integration of a Hydrogenase in a Lead Halide Perovskite Photoelectrode for Tandem Solar Water Splitting [0.03%]
氢化酶整合到卤素铅钙钛矿光电极上用于串联型太阳能分解水
Esther Edwardes Moore,Virgil Andrei,Sónia Zacarias et al.
Esther Edwardes Moore et al.
Lead halide perovskite solar cells are notoriously moisture-sensitive, but recent encapsulation strategies have demonstrated their potential application as photoelectrodes in aqueous solution. However, perovskite photoelectrodes rely on pre...
Solid-State Infrared Upconversion in Perylene Diimides Followed by Direct Electron Injection [0.03%]
固态红外上转换的 perílene 二酰亚胺及直接电子注入
Kevin M Felter,Maria C Fravventura,Emma Koster et al.
Kevin M Felter et al.
In this contribution we demonstrate a solid-state approach to triplet-triplet annihilation upconversion for application in a solar cell device in which absorption of near-infrared light is followed by direct electron injection into an inorg...
Transition Metal Chalcogenide Single Layers as an Active Platform for Single-Atom Catalysis [0.03%]
过渡族金属硫属单层作为单原子催化的活性平台
Péter Vancsó,Zakhar I Popov,János Pető et al.
Péter Vancsó et al.
Among the main appeals of single-atom catalysts are the ultimate efficiency of material utilization and the well-defined nature of the active sites, holding the promise of rational catalyst design. A major challenge is the stable decoration...
Direct Synthesis of Quaternary Alkylammonium-Capped Perovskite Nanocrystals for Efficient Blue and Green Light-Emitting Diodes [0.03%]
高效蓝绿光发射二极管的季四烷基铵钙钛矿纳米晶直接合成法
Yevhen Shynkarenko,Maryna I Bodnarchuk,Caterina Bernasconi et al.
Yevhen Shynkarenko et al.
Cesium lead halide nanocrystals (CsPbX3 NCs) are new inorganic light sources covering the entire visible spectral range and exhibiting near-unity efficiencies. While the last years have seen rapid progress in green and red electroluminescen...
Surface Photovoltage-Induced Ultralow Work Function Material for Thermionic Energy Converters [0.03%]
用于热离子能量转换器的表面光伏诱导极低功函数材料
Peter Schindler,Daniel C Riley,Igor Bargatin et al.
Peter Schindler et al.
Low work function materials are essential for efficient thermionic energy converters (TECs), electronics, and electron emission devices. Much effort has been put into finding thermally stable material combinations that exhibit low work func...
Reversible Removal of Intermixed Shallow States by Light Soaking in Multication Mixed Halide Perovskite Films [0.03%]
光照射下多阳离子混卤素钙钛矿薄膜中混排浅能级的可逆去除
Dengyang Guo,Zahra Andaji Garmaroudi,Mojtaba Abdi-Jalebi et al.
Dengyang Guo et al.
The highest reported efficiencies of metal halide perovskite (MHP) solar cells are all based on mixed perovskites, such as (FA,MA,Cs)Pb(I1-x Br x )3. Despite demonstrated structural changes induced by light soaking, it is unclear how the ch...
Microsecond Carrier Lifetimes, Controlled p-Doping, and Enhanced Air Stability in Low-Bandgap Metal Halide Perovskites [0.03%]
低带隙金属卤化物钙钛矿的微秒载流子寿命、可控p型掺杂和增强的空气稳定性
Alan R Bowman,Matthew T Klug,Tiarnan A S Doherty et al.
Alan R Bowman et al.
Mixed lead-tin halide perovskites have sufficiently low bandgaps (∼1.2 eV) to be promising absorbers for perovskite-perovskite tandem solar cells. Previous reports on lead-tin perovskites have typically shown poor optoelectronic properties...
In Situ Modification of a Delafossite-Type PdCoO2 Bulk Single Crystal for Reversible Hydrogen Sorption and Fast Hydrogen Evolution [0.03%]
用于可逆吸氢和快速析氢的尖晶石型PdCoO2体单晶原位改性
Guowei Li,Seunghyun Khim,Celesta S Chang et al.
Guowei Li et al.
The observation of extraordinarily high conductivity in delafossite-type PdCoO2 is of great current interest, and there is some evidence that electrons behave like a fluid when flowing in bulk crystals of PdCoO2. Thus, this material is an i...