Colloidal CsPbX3 (X = Cl, Br, I) Nanocrystals 2.0: Zwitterionic Capping Ligands for Improved Durability and Stability [0.03%]
铯卤化铅(CsxPyXz)纳米晶体2.0：改善耐久性和稳定性的双离子型表面配体
Franziska Krieg,Stefan T Ochsenbein,Sergii Yakunin et al.
Franziska Krieg et al.
Colloidal lead halide perovskite nanocrystals (NCs) have recently emerged as versatile photonic sources. Their processing and optoelectronic applications are hampered by the loss of colloidal stability and structural integrity due to the fa...
Tanmay Banerjee,Kerstin Gottschling,Gökcen Savasci et al.
Tanmay Banerjee et al.
Covalent organic frameworks (COFs) are a new class of crystalline organic polymers that have garnered significant recent attention as highly promising H2 evolution photocatalysts. This Perspective discusses the advances in this field of ene...
Enhanced n-Doping Efficiency of a Naphthalenediimide-Based Copolymer through Polar Side Chains for Organic Thermoelectrics [0.03%]
通过极性侧链增强萘二酰亚胺共聚物n-型掺杂效率用于有机热电材料
David Kiefer,Alexander Giovannitti,Hengda Sun et al.
David Kiefer et al.
N-doping of conjugated polymers either requires a high dopant fraction or yields a low electrical conductivity because of their poor compatibility with molecular dopants. We explore n-doping of the polar naphthalenediimide-bithiophene copol...
Postsynthesis Transformation of Insulating Cs4PbBr6 Nanocrystals into Bright Perovskite CsPbBr3 through Physical and Chemical Extraction of CsBr [0.03%]
通过物理和化学提取CsBr将绝缘的Cs4PbBr6纳米晶转化为亮黄色的钙钛矿CsPbBr3
Francisco Palazon,Carmine Urso,Luca De Trizio et al.
Francisco Palazon et al.
Perovskite-related Cs4PbBr6 nanocrystals present a "zero-dimensional" crystalline structure where adjacent [PbBr6]4- octahedra do not share any corners. We show in this work that these nanocrystals can be converted into "three-dimensional" ...
Jarvist Moore Frost,Lucy D Whalley,Aron Walsh
Jarvist Moore Frost
Halide perovskites show unusual thermalization kinetics for above-bandgap photoexcitation. We explain this as a consequence of excess energy being deposited into discrete large polaron states. The crossover between low-fluence and high-flue...
Fluorescent Alloy CsPb x Mn1- x I3 Perovskite Nanocrystals with High Structural and Optical Stability [0.03%]
结构和光学稳定性优异的锰离子掺杂铯铅卤钙钛矿纳米晶闪烁体合金(CsPb x Mn1- x I3)
Quinten A Akkerman,Daniele Meggiolaro,Zhiya Dang et al.
Quinten A Akkerman et al.
CsPbI3 nanocrystals are still limited in their use because of their phase instability as they degrade into the yellow nonemitting δ-CsPbI3 phase within a few days. We show that alloyed CsPb x Mn1-x I3 nanocrystals have essentially the same...
Semi-Interpenetrating Polymer Networks for Enhanced Supercapacitor Electrodes [0.03%]
用于增强超级电容器电极的半互穿聚合物网络
Kara D Fong,Tiesheng Wang,Hyun-Kyung Kim et al.
Kara D Fong et al.
Conducting polymers show great promise as supercapacitor materials due to their high theoretical specific capacitance, low cost, toughness, and flexibility. Poor ion mobility, however, can render active material more than a few tens of nano...
Crystallographic Data Support the Carousel Mechanism of Water Supply to the Oxygen-Evolving Complex of Photosystem II [0.03%]
晶体学数据支持光系统II中向氧气演化复合体供水的 carousel 机制
Jimin Wang,Mikhail Askerka,Gary W Brudvig et al.
Jimin Wang et al.
Photosystem II (PSII) oxidizes water to produce oxygen through a four-step photocatalytic cycle. Understanding PSII structure-function relations is important for the development of biomimetic photocatalytic systems. The quantum mechanics/mo...
Modeling the Performance Limitations and Prospects of Perovskite/Si Tandem Solar Cells under Realistic Operating Conditions [0.03%]
基于实际工作条件的钙钛矿/硅串联太阳电池性能局限性及发展前景的研究
Moritz H Futscher,Bruno Ehrler
Moritz H Futscher
Perovskite/Si tandem solar cells have the potential to considerably out-perform conventional solar cells. Under standard test conditions, perovskite/Si tandem solar cells already outperform the Si single junction. Under realistic conditions...
Lead Halide Perovskite Nanocrystals in the Research Spotlight: Stability and Defect Tolerance [0.03%]
lead卤化物钙钛矿纳米晶研究亮点：稳定性与缺陷容忍度
He Huang,Maryna I Bodnarchuk,Stephen V Kershaw et al.
He Huang et al.
This Perspective outlines basic structural and optical properties of lead halide perovskite colloidal nanocrystals, highlighting differences and similarities between them and conventional II-VI and III-V semiconductor quantum dots. A detail...