Optically Determined Hole Effective Mass in Tin-Iodide Perovskite Films [0.03%]
锡碘钙钛矿薄膜中的空穴有效质量的光学测定法
Vincent J-Y Lim,Marcello Righetto,Michael D Farrar et al.
Vincent J-Y Lim et al.
Tin-halide perovskites currently offer the best photovoltaic performance of lead-free metal-halide semiconductors. However, their transport properties are mostly dominated by holes, owing to ubiquitous self-doping. Here we demonstrate a non...
Scalable CO2 Removal Using Electricity: Research Needs in Bipolar Membrane Electrodialysis [0.03%]
用电化学法去除二氧化碳的研究需求： bipolar membrane electrodialysis法的可扩展性研究
Zarko P Jovanov,Dingchang Yang,Carla Glassl et al.
Zarko P Jovanov et al.
Electrochemical direct air capture (DAC) potentially represents a transformative solution in the fight against climate change. Herein we provide a critical perspective on pH-swing approaches, which leverage pH shifts to enhance CO2 capture ...
Determining the Ion Mobility in Perovskite Solar Cells from Impedance Spectroscopy [0.03%]
基于阻抗谱的钙钛矿太阳电池离子迁移率测定
Fransien D Elhorst,Javier E Sebastián Alonso,Henk J Bolink et al.
Fransien D Elhorst et al.
Mobile ions in metal halide perovskites are found to degrade perovskite solar cells (PSCs). Therefore, characterizing their density and mobility is crucial for improving the long-term performance of PSCs. We introduce a formula to determine...
Revisiting Active Site Quantification in CO2 Electroreduction: The Case for CO Displacement [0.03%]
revisit CO2电还原中的活性位点量化：以CO置换为例
Yuxiang Zhou,Benjamin Bowers,Alexander Bagger et al.
Yuxiang Zhou et al.
The selectivity and geometric current density of copper-based electrodes for electrochemical CO2 reduction (CO2RR) have been significantly improved, yet research is striving to improve the intrinsic activity of these materials. The accurate...
Sub-Bandgap Photon-to-Current Conversion in Bismuth Vanadate Photoanodes and Its Impact on the Maximum Photocurrent Density Achievable for Water Splitting [0.03%]
铋钒酸盐光电极中的亚带隙光生电流及其对水裂解所能达到的最大光电流密度的影响
Catarina G Ferreira,Carles Ros,Mingyu Zhang et al.
Catarina G Ferreira et al.
The physical properties of bismuth vanadate (BiVO4) make it an appealing semiconductor photoanode for water oxidation in photoelectrochemical cells that aim to produce hydrogen or other solar fuels. However, it has been estimated that its r...
Cation Tuning of Polaron Barriers in Layered Perovskites for Optical Spin Lifetime Control [0.03%]
层状钙钛矿中多极子势垒的阳离子调节以控制光学自旋寿命
Valentino Romano,Martin Hörmann,Anna Stadlbauer et al.
Valentino Romano et al.
Layered metal-halide perovskites (L-MHPs) form self-assembled quantum wells with strongly bound excitons and electron-phonon interactions that promote polaron formation. Due to spin-orbit coupling and Rashba-type spin-splitting of the elect...
Harvesting Ocean Wave Energy via Magnetoelastic Generators for Self-Powered Hydrogen Production [0.03%]
基于磁致伸缩效应的海洋波浪能采集装置用于海水自驱动制氢系统
Il Woo Ock,Yihao Zhou,Xun Zhao et al.
Il Woo Ock et al.
Extracting energy from ocean waves for electrolysis, while highly desirable, poses significant challenges, especially in achieving high current generation for sustainable water splitting. This work introduces an innovative high-current ocea...
Angelika A Samu,Dániel Horváth,Balázs Endrődi et al.
Angelika A Samu et al.
While the number of reports on the electrochemical carbon dioxide reduction increases at an ever-accelerating rate, achieving long-term stable, selective, and energy efficient operation is still challenging. This can be attributed mostly to...
Debendra Prasad Panda,Rabeb Issaoui,Zafar Iqbal et al.
Debendra Prasad Panda et al.
Indoor photovoltaic (IPV) technology has emerged as an effective strategy to sustainably power batteryless Internet of Things (IoT) devices. Though tin perovskite solar cells offer competitive IPV performance, their effectiveness is often c...
Hysteresis in Perovskite Devices: Understanding the Abrupt Resistive Switching Mechanism [0.03%]
钙钛矿器件中的滞后效应及其突变电阻转换机制研究
Agustin O Alvarez,Jeroen J de Boer,Lars Sonneveld et al.
Agustin O Alvarez et al.
Halide perovskite devices exhibit diverse current-voltage hysteresis behaviors, driven by distinct mechanisms that can enhance or hinder performance, making their understanding crucial. Among these, abrupt switching is particularly relevant...