Exploiting the Lability of Metal Halide Perovskites for Doping Semiconductor Nanocomposites [0.03%]
利用金属卤化物钙钛矿的不稳定性掺杂半导体纳米复合材料
Mariano Calcabrini,Aziz Genç,Yu Liu et al.
Mariano Calcabrini et al.
Cesium lead halides have intrinsically unstable crystal lattices and easily transform within perovskite and nonperovskite structures. In this work, we explore the conversion of the perovskite CsPbBr3 into Cs4PbBr6 in the presence of PbS at ...
Compositional Tuning of Carrier Dynamics in Cs2Na1- x Ag x BiCl6 Double-Perovskite Nanocrystals [0.03%]
Cs2Na1- x Ag x BiCl6双钙钛矿纳米晶的载流子动力学的组分调控
Dongxu Zhu,Juliette Zito,Valerio Pinchetti et al.
Dongxu Zhu et al.
We devised a hot-injection synthesis to prepare colloidal double-perovskite Cs2NaBiCl6 nanocrystals (NCs). We also examined the effects of replacing Na+ with Ag+ cations by preparing and characterizing Cs2Na1-x Ag x BiCl6 alloy NCs with x r...
Quinten A Akkerman,Liberato Manna
Quinten A Akkerman
Lattice Compression Increases the Activation Barrier for Phase Segregation in Mixed-Halide Perovskites [0.03%]
晶格压缩提高了混合卤化物钙钛相分离的活化能垒
Loreta A Muscarella,Eline M Hutter,Francesca Wittmann et al.
Loreta A Muscarella et al.
The bandgap tunability of mixed-halide perovskites makes them promising candidates for light-emitting diodes and tandem solar cells. However, illuminating mixed-halide perovskites results in the formation of segregated phases enriched in a ...
Reduction of the Lattice Thermal Conductivity of Polymer Semiconductors by Molecular Doping [0.03%]
聚合物半导体的晶格热导率通过分子掺杂得以降低
Osnat Zapata-Arteaga,Aleksandr Perevedentsev,Sara Marina et al.
Osnat Zapata-Arteaga et al.
Here we show that molecular doping of polymer thermoelectrics increases the electrical conductivity while reducing the thermal conductivity. A high-throughput methodology based on annealing and doping gradients within individual films is em...
Anthraquinone-Mediated Fuel Cell Anode with an Off-Electrode Heterogeneous Catalyst Accessing High Power Density when Paired with a Mediated Cathode [0.03%]
蒽醌介导的燃料电池阳极具有远离电极的异质催化剂，在与介导阴极配对时可获得高功率密度
Yuliya Preger,Mathew R Johnson,Sourav Biswas et al.
Yuliya Preger et al.
The development of processes for electrochemical energy conversion and chemical production could benefit from new strategies to interface chemical redox reactions with electrodes. Here, we employ a diffusible low-potential organic redox med...
Multisource Vacuum Deposition of Methylammonium-Free Perovskite Solar Cells [0.03%]
无甲铵盐钙钛矿太阳电池的多源真空沉积法
Yu-Hsien Chiang,Miguel Anaya,Samuel D Stranks
Yu-Hsien Chiang
Halide perovskites of the form ABX3 have shown outstanding properties for solar cells. The highest reported compositions consist of mixtures of A-site cations methylammonium (MA), formamidinium (FA) and cesium, and X-site iodide and bromide...
Recent Advances in Solar-Driven Carbon Dioxide Conversion: Expectations versus Reality [0.03%]
太阳能驱动二氧化碳转化研究：前景及挑战
Jie He,Csaba Janáky
Jie He
Solar-driven carbon dioxide (CO2) conversion to fuels and high-value chemicals can contribute to the better utilization of renewable energy sources. Photosynthetic (PS), photocatalytic (PC), photoelectrochemical (PEC), and photovoltaic plus...
Stable Hexylphosphonate-Capped Blue-Emitting Quantum-Confined CsPbBr3 Nanoplatelets [0.03%]
稳定的己基磷酸盐封端的蓝色发光量子限制CsPbBr3纳米片let
Javad Shamsi,Dominik Kubicki,Miguel Anaya et al.
Javad Shamsi et al.
Quantum-confined CsPbBr3 nanoplatelets (NPLs) are extremely promising for use in low-cost blue light-emitting diodes, but their tendency to coalesce in both solution and film form, particularly under operating device conditions with injecte...
Revealing the Active Phase of Copper during the Electroreduction of CO2 in Aqueous Electrolyte by Correlating In Situ X-ray Spectroscopy and In Situ Electron Microscopy [0.03%]
通过原位X射线光谱和原位电子显微镜的相关性揭示铜在水溶液中电还原二氧化碳的活性相
Juan-Jesus Velasco-Velez,Rik V Mom,Luis-Ernesto Sandoval-Diaz et al.
Juan-Jesus Velasco-Velez et al.
The variation in the morphology and electronic structure of copper during the electroreduction of CO2 into valuable hydrocarbons and alcohols was revealed by combining in situ surface- and bulk-sensitive X-ray spectroscopies with electroche...