Giant Photoluminescence Blinking of Perovskite Nanocrystals Reveals Single-Trap Control of Luminescence.

Yuxi Tian; Aboma Merdasa; Maximilian Peter; Mohamed Qenawy; Kaibo Zheng; Carlito Ponseca; Tönu Pullerits; Arkady Yartsev; Villy Sundström; Ivan Scheblykin

doi:10.1021/nl5041397

Giant Photoluminescence Blinking of Perovskite Nanocrystals Reveals Single-Trap Control of Luminescence.

Yuxi Tian, Aboma Merdasa, Maximilian Peter, Mohamed Qenawy, Kaibo Zheng, Carlito Ponseca, Tönu Pullerits, Arkady Yartsev, Villy Sundström, Ivan Scheblykin

Chemical Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Fluorescence super-resolution microscopy showed correlated fluctuations of photoluminescence intensity and spatial localization of individual perovskite (CH3NH3PbI3) nanocrystals of size ∼200 × 30 × 30 nm(3). The photoluminescence blinking amplitude caused by a single quencher was a hundred thousand times larger than that of a typical dye molecule at the same excitation power density. The quencher is proposed to be a chemical or structural defect that traps free charges leading to nonradiative recombination. These trapping sites can be activated and deactivated by light.

Original language	English
Pages (from-to)	1603-1608
Journal	Nano Letters
Volume	15
Issue number	3
DOIs	https://doi.org/10.1021/nl5041397
Publication status	Published - 2015

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Chemical Physics (S) (011001060)

Subject classification (UKÄ)

Condensed Matter Physics (including Material Physics, Nano Physics)
Atom and Molecular Physics and Optics

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10.1021/nl5041397

Single Molecule spectroscopy laboratory
Scheblykin, I. (Manager)
Chemical Physics
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Cite this

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title = "Giant Photoluminescence Blinking of Perovskite Nanocrystals Reveals Single-Trap Control of Luminescence.",

abstract = "Fluorescence super-resolution microscopy showed correlated fluctuations of photoluminescence intensity and spatial localization of individual perovskite (CH3NH3PbI3) nanocrystals of size ∼200 × 30 × 30 nm(3). The photoluminescence blinking amplitude caused by a single quencher was a hundred thousand times larger than that of a typical dye molecule at the same excitation power density. The quencher is proposed to be a chemical or structural defect that traps free charges leading to nonradiative recombination. These trapping sites can be activated and deactivated by light.",

author = "Yuxi Tian and Aboma Merdasa and Maximilian Peter and Mohamed Qenawy and Kaibo Zheng and Carlito Ponseca and T{\"o}nu Pullerits and Arkady Yartsev and Villy Sundstr{\"o}m and Ivan Scheblykin",

note = "The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Chemical Physics (S) (011001060)",

year = "2015",

doi = "10.1021/nl5041397",

language = "English",

volume = "15",

pages = "1603--1608",

journal = "Nano Letters",

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publisher = "The American Chemical Society (ACS)",

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T1 - Giant Photoluminescence Blinking of Perovskite Nanocrystals Reveals Single-Trap Control of Luminescence.

AU - Tian, Yuxi

AU - Merdasa, Aboma

AU - Peter, Maximilian

AU - Qenawy, Mohamed

AU - Zheng, Kaibo

AU - Ponseca, Carlito

AU - Pullerits, Tönu

AU - Yartsev, Arkady

AU - Sundström, Villy

AU - Scheblykin, Ivan

N1 - The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Chemical Physics (S) (011001060)

PY - 2015

Y1 - 2015

N2 - Fluorescence super-resolution microscopy showed correlated fluctuations of photoluminescence intensity and spatial localization of individual perovskite (CH3NH3PbI3) nanocrystals of size ∼200 × 30 × 30 nm(3). The photoluminescence blinking amplitude caused by a single quencher was a hundred thousand times larger than that of a typical dye molecule at the same excitation power density. The quencher is proposed to be a chemical or structural defect that traps free charges leading to nonradiative recombination. These trapping sites can be activated and deactivated by light.

AB - Fluorescence super-resolution microscopy showed correlated fluctuations of photoluminescence intensity and spatial localization of individual perovskite (CH3NH3PbI3) nanocrystals of size ∼200 × 30 × 30 nm(3). The photoluminescence blinking amplitude caused by a single quencher was a hundred thousand times larger than that of a typical dye molecule at the same excitation power density. The quencher is proposed to be a chemical or structural defect that traps free charges leading to nonradiative recombination. These trapping sites can be activated and deactivated by light.

U2 - 10.1021/nl5041397

DO - 10.1021/nl5041397

M3 - Article

C2 - 25706329

SN - 1530-6992

VL - 15

SP - 1603

EP - 1608

JO - Nano Letters

JF - Nano Letters

IS - 3

ER -

Giant Photoluminescence Blinking of Perovskite Nanocrystals Reveals Single-Trap Control of Luminescence.

Abstract

Bibliographical note

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