Over-18%-Efficiency Quasi-2D Ruddlesden-Popper Pb-Sn Mixed Perovskite Solar Cells by Compositional Engineering [0.03%]
通过组分工程制备高效准二维Ruddlesden-Popper型Pb-Sn混合钙钛矿太阳能电池(效率超过18%)
Zhaotong Qin,Mike Pols,Minchao Qin et al.
Zhaotong Qin et al.
Quasi-two-dimensional (2D) Pb-Sn mixed perovskites show great potential in applications of single and tandem photovoltaic devices, but they suffer from low efficiencies due to the existence of horizontal 2D phases. Here, we obtain a record ...
Nickel-Doped Graphite and Fusible Alloy Bilayer Back Electrode for Vacuum-Free Perovskite Solar Cells [0.03%]
镍掺杂石墨和低熔点合金夹心电极的免真空加工钙钛矿太阳能电池
Mengyuan Li,So Yeon Park,Jianxin Wang et al.
Mengyuan Li et al.
With the rapid development of perovskite solar cells (PSCs), lowering fabrication costs for PSCs has become a prominent challenge for commercialization. At present, gold is commonly used as the back metal electrode in state-of-the-art n-i-p...
Daytime Radiative Cooling: A Perspective toward Urban Heat Island Mitigation [0.03%]
面向缓解城市热岛效应的白天辐射制冷技术展望
Ioannis Kousis,Roberto DAmato,Anna Laura Pisello et al.
Ioannis Kousis et al.
Traditional cooling and heating systems in residential buildings account for more than 15% of global electricity consumption and 10% of global emissions of greenhouse gases. Daytime radiative cooling (DRC) is an emerging passive cooling tec...
Machine Learning for Harnessing Thermal Energy: From Materials Discovery to System Optimization [0.03%]
机器学习在热能利用中的应用:从材料发现到系统优化
Man Li,Lingyun Dai,Yongjie Hu
Man Li
Recent advances in machine learning (ML) have impacted research communities based on statistical perspectives and uncovered invisibles from conventional standpoints. Though the field is still in the early stage, this progress has driven the...
Stable Sn-Based Hybrid Perovskite-Related Structures with Tunable Color Coordinates via Organic Cations in Low-Temperature Synthesis [0.03%]
低温合成调控有机阳离子实现稳定的Sn基钙钛矿相关材料及可调色坐标研究
Aarya Prabhakaran,Balaji Dhanabalan,Iryna Andrusenko et al.
Aarya Prabhakaran et al.
Organic-inorganic Pb-free layered perovskites are efficient broadband emitters and thus are promising materials for lighting applications. However, their synthetic protocols require a controlled atmosphere, high temperature, and long prepar...
Vacuum-Deposited Wide-Bandgap Perovskite for All-Perovskite Tandem Solar Cells [0.03%]
宽带隙真空沉积钙钛矿用于全钙钛矿叠层太阳能电池
Yu-Hsien Chiang,Kyle Frohna,Hayden Salway et al.
Yu-Hsien Chiang et al.
All-perovskite tandem solar cells beckon as lower cost alternatives to conventional single-junction cells. Solution processing has enabled rapid optimization of perovskite solar technologies, but new deposition routes will enable modularity...
Tapesh Joshi,Saad Azam,Daniel Juarez-Robles et al.
Tapesh Joshi et al.
Lithium-ion batteries continue to transform consumer electronics, mobility, and energy storage sectors, and the applications and demands for batteries keep growing. Supply limitations and costs may lead to counterfeit cells in the supply ch...
Defect Engineering to Achieve Photostable Wide Bandgap Metal Halide Perovskites [0.03%]
缺陷工程实现宽禁带金属卤化物钙钛矿的光稳定性
Samuele Martani,Yang Zhou,Isabella Poli et al.
Samuele Martani et al.
Bandgap tuning is a crucial characteristic of metal-halide perovskites, with benchmark lead-iodide compounds having a bandgap of 1.6 eV. To increase the bandgap up to 2.0 eV, a straightforward strategy is to partially substitute iodide with...
The Dark Side of Lead-Free Metal Halide Nanocrystals: Substituent-Modulated Photocatalytic Activity in Benzyl Bromide Reduction [0.03%]
无铅金属卤化物纳米晶的阴暗面:取代基调节苄基溴还原反应中的光催化性能研究
Ignacio Rosa-Pardo,Dongxu Zhu,Alejandro Cortés-Villena et al.
Ignacio Rosa-Pardo et al.
We illustrate here the high photocatalytic activity of sustainable lead-free metal halide nanocrystals (NCs), namely, Cs3Sb2Br9 NCs, in the reduction of p-substituted benzyl bromides in the absence of a cocatalyst. The electronic properties...
Omar Alshangiti,Giulia Galatolo,Gregory J Rees et al.
Omar Alshangiti et al.
The fluoride ion battery (FIB) is a promising post-lithium ion battery chemistry owing to its high theoretical energy density and the large elemental abundance of its active materials. Nevertheless, its utilization for room-temperature cycl...