Correlation of Photoluminescence and Structural Morphologies at the Individual Nanoparticle Level | Zendy

Luis GutiérrezArzaluz | Zendy; Ghada H. Ahmed | Zendy; Haoze Yang | Zendy; Semen Shikin | Zendy; Osman M. Bakr | Zendy; Anton V. Malko | Zendy; Omar F. Mohammed | Zendy

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Correlation of Photoluminescence and Structural Morphologies at the Individual Nanoparticle Level

Author(s) -

Luis GutiérrezArzaluz,

Ghada H. Ahmed,

Haoze Yang,

Semen Shikin,

Osman M. Bakr,

Anton V. Malko,

Omar F. Mohammed

Publication year - 2020

Publication title -

the journal of physical chemistry a

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.756

H-Index - 235

eISSN - 1520-5215

pISSN - 1089-5639

DOI - 10.1021/acs.jpca.0c02340

Subject(s) - photoluminescence , materials science , luminescence , nanoparticle , nanoscopic scale , photon counting , resolution (logic) , nanocrystal , particle (ecology) , nanotechnology , spectroscopy , perovskite (structure) , fluorescence correlation spectroscopy , image resolution , microscopy , photon , optoelectronics , optics , chemistry , physics , fluorescence , computer science , oceanography , quantum mechanics , artificial intelligence , geology , crystallography

Single-particle spectroscopy has demonstrated great potential for analyzing the microscopic behavior of various nanoparticles (NPs). However, high-resolution optical imaging of these materials at the nanoscale is still very challenging. Here, we present an experimental setup that combines high sensitivity of time-correlated single-photon counting (TCSPC) techniques with atomic force microscopy (AFM). This system enables single-photon detection with a time resolution of 120 ps and a spatial resolution of 5 nm. We utilize the setup to investigate the photoluminescence (PL) characteristics of both zero-dimensional (0D) and three-dimensional (3D) perovskite nanocrystals and establish a correlation between the particles' sizes, their PL blinking, and the lifetime behavior. Our system demonstrates an unprecedented level of information, opening the door to understanding the morphology-luminescence correlation of various nanosystems.

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