Issue 44, 2016
From the journal:

Chemical Communications

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

Saikat Bhaumik,a   Sjoerd A. Veldhuis,a   Yan Fong Ng,ab   Mingjie Li,c   Subas Kumar Muduli,a   Tze Chien Sum,c   Bahulayan Damodaran,a   Subodh Mhaisalkarad  and  Nripan Mathews*ad  

* Corresponding authors

a Energy Research Institute@NTU (ERI@N), Research Techno Plaza, X-Frontier Block, Level 5, Singapore 637553
E-mail: Nripan@ntu.edu.sg

b Interdisciplinary Graduate School, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798

c Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371

d School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798

Abstract

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.

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

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Article information

DOI
https://doi.org/10.1039/C6CC01056C
Article type
Communication
Submitted
02 Feb 2016
Accepted
25 Apr 2016
First published
26 Apr 2016

Chem. Commun., 2016,52, 7118-7121

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

S. Bhaumik, S. A. Veldhuis, Y. F. Ng, M. Li, S. K. Muduli, T. C. Sum, B. Damodaran, S. Mhaisalkar and N. Mathews, Chem. Commun., 2016, 52, 7118 DOI: 10.1039/C6CC01056C

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