WebNov 1, 2024 · By alloying CsSnI 3 with CsPbI 3, we herein report the synthesis of alloyed perovskite quantum dot (QD), CsSn 1–x Pb x I 3, which not only can be phase-stable for months in purified colloidal solution but also remains intact even directly exposed to ambient air, far superior to both of its parent CsSnI 3 and CsPbI 3 QDs. WebRemarkable Black-Phase Robustness of CsPbI 3 Nanocrystals Sealed in Solid SiO 2 /AlO x Sub-Micron Particles Small. 2024 Oct 11;e2103510. doi: 10.1002/smll.202403510. Online …
Absorption spectra (a) and XRD patterns (b) of CsPbI 3 QDs …
WebAug 21, 2024 · The postsynthesis passivation process for CsPbI3 NCs is developed by using a bidentate ligand, namely 2,2'-iminodibenzoic acid, which enables the passivated NCs to realize red light-emitting diodes (LEDs) with 5.02% external quantum efficiency and 748 cd/m2 luminance, surpassing by far LEDs made from the nonpassivating NCs. WebDec 1, 2024 · The CsPbBr 3 coated SS sample fabrication Both of purified CsPbBr 3 -OA and CsPbBr 3 -DA QDs were re-dispersed in n-octane. Approximately 10 mg of commercially SiO 2 spheres (SS) were added in CsPbBr 3 -OA and CsPbBr 3 -DA QDs solution. After the mixture for 30 min, the solution was drop-coated onto the treated glass … tmpegenc 字幕
Stable and low-threshold whispering-gallery-mode lasing from …
WebJul 15, 2024 · It is shown through high-resolution in situ synchrotron XRD measurements that CsPbI3 can be undercooled below its transition temperature and temporarily maintained in its perovskite structure down to room temperature, stabilizing a metastable perovkite polytype (black γ-phase) crucial for photovoltaic applications. 391 PDF ... 1 2 3 4 ... WebMay 1, 2024 · CsPbI 3 has four different kinds of phases (cubic (α), tetragonal (β), and two orthorhombic phases (a metastable black γ and a non-perovskite yellow δ-phase)) [26, … Web本发明提供一种硅红外增强倏逝波耦合雪崩光电探测器及制备方法,该探测器包括:SOI晶片;脊形单模传输波导;吸收层,具有缺陷能级,外延形成于单模传输波导上;波导与吸收层之间通过倏逝波进行光的耦合;倍增层,形成于吸收层中;P型电极接触层,形成于倍增层中;N型电极接触层,形成于 ... tmperks.benefithub.com