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Exciton dynamics in lead halide pero...

Bohn, Bernhard Johann.

Exciton dynamics in lead halide perovskite nanocrystalsrecombination, dephasing and diffusion /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Exciton dynamics in lead halide perovskite nanocrystalsby Bernhard Johann Bohn.
Reminder of title:	recombination, dephasing and diffusion /
Author:	Bohn, Bernhard Johann.
Published:	Cham :Springer International Publishing :2021.
Description:	xxii, 152 p. :ill., digital ;24 cm.
Contained By:	Springer Nature eBook
Subject:	Semiconductor nanocrystals.
Online resource:	https://doi.org/10.1007/978-3-030-70940-2
ISBN:	9783030709402$q(electronic bk.)

Exciton dynamics in lead halide perovskite nanocrystalsrecombination, dephasing and diffusion /
Bohn, Bernhard Johann.

Exciton dynamics in lead halide perovskite nanocrystalsrecombination, dephasing and diffusion /[electronic resource] :by Bernhard Johann Bohn. - Cham :Springer International Publishing :2021. - xxii, 152 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction -- Fundamentals -- Materials and Methods -- Recombination -- Dephasing -- Diffusion.

Less than a decade ago, lead halide perovskite semiconductors caused a sensation: Solar cells exhibiting astonishingly high levels of efficiency. Recently, it became possible to synthesize nanocrystals of this material as well. Interestingly; simply by controlling the size and shape of these crystals, new aspects of this material literally came to light. These nanocrystals have proven to be interesting candidates for light emission. In this thesis, the recombination, dephasing and diffusion of excitons in perovskite nanocrystals is investigated using time-resolved spectroscopy. All these dynamic processes have a direct impact on the light-emitting device performance from a technology point of view. However, most importantly, the insights gained from the measurements allowed the author to modify the nanocrystals such that they emitted with an unprecedented quantum yield in the blue spectral range, resulting in the successful implementation of this material as the active layer in an LED. This represents a technological breakthrough, because efficient perovskite light emitters in this wavelength range did not exist before.

ISBN: 9783030709402$q(electronic bk.)

Standard No.: 10.1007/978-3-030-70940-2doiSubjects--Topical Terms:

305946
Semiconductor nanocrystals.

LC Class. No.: QC611.8.N33 / B64 2021

Dewey Class. No.: 621.38152

Exciton dynamics in lead halide perovskite nanocrystalsrecombination, dephasing and diffusion /
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505 0 $a Introduction -- Fundamentals -- Materials and Methods -- Recombination -- Dephasing -- Diffusion.
520 $a Less than a decade ago, lead halide perovskite semiconductors caused a sensation: Solar cells exhibiting astonishingly high levels of efficiency. Recently, it became possible to synthesize nanocrystals of this material as well. Interestingly; simply by controlling the size and shape of these crystals, new aspects of this material literally came to light. These nanocrystals have proven to be interesting candidates for light emission. In this thesis, the recombination, dephasing and diffusion of excitons in perovskite nanocrystals is investigated using time-resolved spectroscopy. All these dynamic processes have a direct impact on the light-emitting device performance from a technology point of view. However, most importantly, the insights gained from the measurements allowed the author to modify the nanocrystals such that they emitted with an unprecedented quantum yield in the blue spectral range, resulting in the successful implementation of this material as the active layer in an LED. This represents a technological breakthrough, because efficient perovskite light emitters in this wavelength range did not exist before.
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