Doping and surface passivation improve luminescence intensity and stability of CsPbI3 nanocrystals for LEDs
Sign Up to like & getrecommendations! Published in 2020 at "Materials Letters"
DOI: 10.1016/j.matlet.2019.126857
Abstract: Abstract In this work, SnCl2 was added to the synthesis of CsPbI3 NCs. Sn2+ can partly replace the Pb2+ causing a slight lattice contraction and enhance perovskite formation that lead to improve stability. Moreover, Cl−… read more here.
Keywords: cspbi3; doping surface; stability cspbi3; cspbi3 nanocrystals ... See more keywords
Phase-Stable Red-Emitting CsPbI3 Nanocrystals: Successes and Challenges
Sign Up to like & getrecommendations! Published in 2019 at "ACS Energy Letters"
DOI: 10.1021/acsenergylett.9b00138
Abstract: The semiconducting bulk α-cubic CsPbI3 phase is stable at high temperature. However, recent developments concluded that in nanodimensions this phase can also be stable even at room temperature. The unique feature of these α-CsPbI3 nanocrystals… read more here.
Keywords: stable red; phase stable; red emitting; cspbi3 nanocrystals ... See more keywords
Highly Stable and Efficient Light-Emitting Diodes Based on Orthorhombic γ-CsPbI3 Nanocrystals.
Sign Up to like & getrecommendations! Published in 2023 at "ACS nano"
DOI: 10.1021/acsnano.3c00789
Abstract: Orthorhombic γ-CsPbI3 possesses the highest structural stability among the optically active (light-emissive) CsPbI3 perovskites. Here, we make use of a seed-assisted heteroepitaxial growth to fabricate seed/core/shell CaIx/γ-CsPbI3/CaI2 nanocrystals. Ultrasmall CaIx nanoparticles serve as seeds to… read more here.
Keywords: orthorhombic cspbi3; emitting diodes; cspbi3 nanocrystals; cspbi3 ... See more keywords
Improving the Stability of α-CsPbI3 Nanocrystals in Extreme Conditions Facilitated by Mn2+ Doping
Sign Up to like & getrecommendations! Published in 2021 at "ACS Omega"
DOI: 10.1021/acsomega.1c01383
Abstract: The wide application of CsPbI3 nanocrystals (NCs) is limited due to their poor phase stability. We reported that Mn2+-CsPbI3 NCs have better optical performance and phase stability. With a suitable Mn/Pb ratio (5.0%), Mn2+-doped α-CsPbI3… read more here.
Keywords: cspbi3; mn2; extreme conditions; cspbi3 nanocrystals ... See more keywords