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...
Classification of 5‑bit Binary Light Pulse Sequences Using Photoluminescence of Metal Halide Perovskite Memlumors [0.03%]
基于金属卤化物钙钛矿 memlumors 光致发光的五位二进制光脉冲序列分类
Jitendra Kumar,Daniel Lizotte,Alexandr Marunchenko et al.
Jitendra Kumar et al.
A memlumor is an innovative neuromorphic luminescent device with a state-dependent photoluminescence quantum yield (PLQY) designed for optical neuromorphic computing applications. Metal halide perovskite memlumors leverage charge trapping a...
Plasma-Assisted Surface Nitridation of Proton Intercalatable WO3 for Efficient Electrocatalytic Ammonia Synthesis [0.03%]
等离子辅助WO3表面氮化高效电催化固氨反应
Zhiyuan Zhang,Christopher Kondratowicz,Jacob Smith et al.
Zhiyuan Zhang et al.
Electrocatalytic nitrogen reduction (eNRR) offers a green pathway for the production of NH3 from N2 and H2O under ambient conditions. Transition metal oxynitrides (TMO x N y ) are among the most promising catalysts but face challenges in ac...