Highly stable, luminescent core–shell type methylammonium–octylammonium lead bromide layered perovskite nanoparticles

Highly stable, luminescent core–shell type methylammonium–octylammonium lead bromide layered perovskite nanoparticles

A new protocol for the synthesis of a highly stable (over 2 months under ambient conditions) solution-processed core–shell type structure of mixed methylammonium–octylammonium lead bromide perovskite nanoparticles (5–12 nm), having spherical shape, color tunability in the blue to green spectral regi...

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Bibliographic Details
Main Authors: Bhaumik, Saikat, Veldhuis, Sjoerd A., Ng, Yan Fong, Li, Mingjie, Muduli, Subas Kumar, Sum, Tze Chien, Damodaran, Bahulayan, Mhaisalkar, Subodh, Mathews, Nripan
Other Authors: School of Materials Science and Engineering
Format: Article
Language:English
Published: 2020
Subjects:
Engineering::Materials
Core-shell Perovskite Nanoparticles
Bromide
Online Access:https://hdl.handle.net/10356/140846
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Institution: Nanyang Technological University
Language: English
Description
Summary:A new protocol for the synthesis of a highly stable (over 2 months under ambient conditions) solution-processed core–shell type structure of mixed methylammonium–octylammonium lead bromide perovskite nanoparticles (5–12 nm), having spherical shape, color tunability in the blue to green spectral region (438–521 nm) and a high photoluminescence quantum yield (PLQY) of up to 92% is described. The color tunability, high PLQY and stability are due to the quantum confinement imparted by the crystal engineering associated with core–shell nanoparticle formation during growth.

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