Controlling the Phase Segregation in Mixed Halide Perovskites through Nanocrystal Size [0.03%]
通过纳米晶尺寸控制混合卤化物钙钛矿中的相分离现象
Andrés F Gualdrón-Reyes,Seog Joon Yoon,Eva M Barea et al.
Andrés F Gualdrón-Reyes et al.
Mixed halide perovskites are one of the promising candidates in developing solar cells and light-emitting diodes (LEDs), among other applications, because of their tunable optical properties. Nonetheless, photoinduced phase segregation, by ...
Spontaneous Silver Doping and Surface Passivation of CsPbI3 Perovskite Active Layer Enable Light-Emitting Devices with an External Quantum Efficiency of 11.2 [0.03%]
银的自发掺杂和CsPbI3钙钛矿发光层的表面钝化使其外量子效率高达11.2%
Min Lu,Xiaoyu Zhang,Xue Bai et al.
Min Lu et al.
Lead halide perovskite nanocrystals are currently under intense investigation as components of solution-processed light-emitting devices (LEDs). We demonstrate LEDs based on Ag doped-passivated CsPbI3 perovskite nanocrystals with external q...
Ultrafast Intraband Spectroscopy of Hot-Carrier Cooling in Lead-Halide Perovskites [0.03%]
基于铅卤钙钛矿的热载流子冷却的超快本征谱学研究
Thomas R Hopper,Andrei Gorodetsky,Jarvist M Frost et al.
Thomas R Hopper et al.
The rapid relaxation of above-band-gap "hot" carriers (HCs) imposes the key efficiency limit in lead-halide perovskite (LHP) solar cells. Recent studies have indicated that HC cooling in these systems may be sensitive to materials compositi...
The Potential of Singlet Fission Photon Multipliers as an Alternative to Silicon-Based Tandem Solar Cells [0.03%]
单重态裂变光 multiplier 作为硅基串联太阳能电池替代品的潜力
Moritz H Futscher,Akshay Rao,Bruno Ehrler
Moritz H Futscher
Singlet fission, an exciton multiplication process in organic semiconductors that converts one singlet exciton into two triplet excitons, is a promising way to reduce thermalization losses in conventional solar cells. One way to harvest tri...
Thermally Activated Second-Order Recombination Hints toward Indirect Recombination in Fully Inorganic CsPbI3 Perovskites [0.03%]
热活化二级重组表明全无机CsPbI3钙钛矿中的间接重组现象
Eline M Hutter,Tom J Savenije
Eline M Hutter
The relationship between the dipole moment of the methylammonium cation and the optoelectronic properties of lead halide perovskites remains under debate. We show that both the temperature-dependent charge carrier mobility and recombination...
Evaluating the Stability of Co2P Electrocatalysts in the Hydrogen Evolution Reaction for Both Acidic and Alkaline Electrolytes [0.03%]
评估Co2P电催化剂在酸性和碱性电解质中氢气进化的稳定性
Yue Zhang,Lu Gao,Emiel J M Hensen et al.
Yue Zhang et al.
The evaluation of the stability of emerging earth-abundant metal phosphide electrocatalysts by solely electrochemical current-potential sweeps is often not conclusive. In this study, we investigated Co2P to evaluate its stability under both...
In Situ Fabrication and Reactivation of Highly Selective and Stable Ag Catalysts for Electrochemical CO2 Conversion [0.03%]
用于电化学二氧化碳转化的高选择性和稳定性的Ag催化剂的原位制备和再生
Ming Ma,Kai Liu,Jie Shen et al.
Ming Ma et al.
In this work, the highly selective and stable electrocatalytic reduction of CO2 to CO on nanostructured Ag electrocatalysts is presented. The Ag electrocatalysts are synthesized by the electroreduction of Ag2CO3 formed by in situ anodic-etc...
Efficient and Stable Silicon Microwire Photocathodes with a Nickel Silicide Interlayer for Operation in Strongly Alkaline Solutions [0.03%]
用于强碱溶液运行的高效且稳定的含镍硅化物中间层硅微线光电阴极
Wouter Vijselaar,Roald M Tiggelaar,Han Gardeniers et al.
Wouter Vijselaar et al.
Most photoanodes commonly applied in solar fuel research (e.g., of Fe2O3, BiVO4, TiO2, or WO3) are only active and stable in alkaline electrolytes. Silicon (Si)-based photocathodes on the other hand are mainly studied under acidic condition...
Balancing Charge Carrier Transport in a Quantum Dot P-N Junction toward Hysteresis-Free High-Performance Solar Cells [0.03%]
无迟滞高性能量子点p-n结太阳能电池中的载流子传输平衡研究
Yuljae Cho,Bo Hou,Jongchul Lim et al.
Yuljae Cho et al.
In a quantum dot solar cell (QDSC) that has an inverted structure, the QD layers form two different junctions between the electron transport layer (ETL) and the other semiconducting QD layer. Recent work on an inverted-structure QDSC has re...
Electrochemical Reduction of Carbon Dioxide on Nitrogen-Doped Carbons: Insights from Isotopic Labeling Studies [0.03%]
氮掺杂碳催化二氧化碳电还原的同位素示踪研究
Dorottya Hursán,Csaba Janáky
Dorottya Hursán
Isotopic labeling experiments were performed to better understand the electrochemical reduction of carbon dioxide on nitrogen-doped porous carbon electrodes. By using nonequilibrated solutions of selectively labeled initial carbon sources (...