WebCrystal defects in highy luminescent colloidal nanocrystals (NCs) of CsPbX3 perovskites (X = Cl, Br, I) are investigated. Here, using X-ray total scattering techniques and the Debye scattering equation (DSE), we provide evidence that the local Websensitization of Yb3+ luminescence in CsPbCl3 perovskite nanocrystals. The researchers believe their results will have wide ramification in this rewarding ... various optoelectronic, photovoltaic, gas sensing applications owing to its high carrier mobility, electrical and thermal anisotropy, layer-dependent flexibly variable direct band gap ...
Figure 2 from Surface- vs Diffusion-Limited Mechanisms of Anion ...
WebJan 21, 2024 · Near-infrared (NIR) light emitting diodes (LEDs) with the emission wavelength over 900 nm are useful in a wide range of optical applications. Narrow bandgap NIR emitters have been widely investigated using organic compounds and colloidal quantum dots. However, intrinsically low charge mobility and l … WebShunsuke Hirotsu 1. + Affiliations. Received October 23, 1970. Some experimental investigations have been made in order to understand the nature of phase transitions in the perovskite-type crystal CsPbCl 3 . Measurements of the birefringence and conoscopic observations confirm three phase transitions occurring at 37°C, 42°C and 47°C ... high-density population
Optical characterization of Yb3+:CsPbCl3 perovskite powder
WebSep 15, 1971 · In fact Hirotsu6 has observed strongly temperature dependent lines in the Raman spectrum of CsPbCl3. In contrast with the perovskites mentioned CsPbCI3 has a significant ionic mobility at the phase transitions, and this presents a new interesting feature in a lattice dynamical description of phase transitions. WebJun 15, 2024 · The design of photoluminescence-quenching probes for molecular oxygen (O2) is always a large space to explore. Luminescent semiconductor nanocrystals (NCs) have been proposed as emerging oxygen-responsive probes, but the inherent O2 sensing of phosphorescent semiconductor NCs has not been reported so far. Here, we demonstrate … WebMar 30, 2024 · The computed band gap values for pristine CsPbCl3, CsPbBr3 and CsPbI3 are in good agreement with the experimental reports. ... A record-high mobility–lifetime product of 1.2 × 10-2 cm2 V-1 and ... high density polyurethane wall panels