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A Fundamental Study of Bulk, Layered...

Alenezi, Omar.

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A Fundamental Study of Bulk, Layered, and Monolayers of Hybrid Perovskites.

Record Type:	Electronic resources : Monograph/item
Title/Author:	A Fundamental Study of Bulk, Layered, and Monolayers of Hybrid Perovskites./
Author:	Alenezi, Omar.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	59 p.
Notes:	Source: Masters Abstracts International, Volume: 81-03.
Contained By:	Masters Abstracts International81-03.
Subject:	Nanotechnology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=22589878
ISBN:	9781085691529

A Fundamental Study of Bulk, Layered, and Monolayers of Hybrid Perovskites.
Alenezi, Omar.

A Fundamental Study of Bulk, Layered, and Monolayers of Hybrid Perovskites. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 59 p.

Source: Masters Abstracts International, Volume: 81-03.

Thesis (M.S.)--Arizona State University, 2019.

This item must not be sold to any third party vendors.

A Fundamental study of bulk, layered, and monolayers bromide lead perovskites structural, optical, and electrical properties have been studied as thickness changes. X-Ray Diffraction (XRD) and Raman spectroscopy measures the structural parameter showing how the difference in the thicknesses changes the crystal structures through observing changes in average lattice constant, atomic spacing, and lattice vibrations.Optical and electrical properties have also been studied mainly focusing on the thickness effect on different properties where the Photoluminescence (PL) and exciton binding energies show energy shift as thickness of the material changes. Temperature dependent PL has shown different characteristics when comparing methylammonium lead bromide (MAPbBr3) to butylammonium lead bromide (BA2PbBr4) and comparing the two layered n = 1 materials butylammonium lead bromide (BA2PbBr4) to butylammonium lead iodide (BA2PbI4). Time-resolved spectroscopy displays different lifetimes as thickness of bromide-based perovskite changes. Finally, thickness dependence (starting from monolayers) Kelvin Probe Force Microscopy (KPFM) of the layered materials BA2PbBr4, Butylammonium(methylammonium)lead bromide (BA2MAPb2Br7), and molybdenum sulfide (MoS2) were studied showing an exponential relation between the thickness of the materials and their surface potentials.

ISBN: 9781085691529Subjects--Topical Terms:

526235
Nanotechnology.

A Fundamental Study of Bulk, Layered, and Monolayers of Hybrid Perovskites.
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500 $a Source: Masters Abstracts International, Volume: 81-03.
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502 $a Thesis (M.S.)--Arizona State University, 2019.
506 $a This item must not be sold to any third party vendors.
520 $a A Fundamental study of bulk, layered, and monolayers bromide lead perovskites structural, optical, and electrical properties have been studied as thickness changes. X-Ray Diffraction (XRD) and Raman spectroscopy measures the structural parameter showing how the difference in the thicknesses changes the crystal structures through observing changes in average lattice constant, atomic spacing, and lattice vibrations.Optical and electrical properties have also been studied mainly focusing on the thickness effect on different properties where the Photoluminescence (PL) and exciton binding energies show energy shift as thickness of the material changes. Temperature dependent PL has shown different characteristics when comparing methylammonium lead bromide (MAPbBr3) to butylammonium lead bromide (BA2PbBr4) and comparing the two layered n = 1 materials butylammonium lead bromide (BA2PbBr4) to butylammonium lead iodide (BA2PbI4). Time-resolved spectroscopy displays different lifetimes as thickness of bromide-based perovskite changes. Finally, thickness dependence (starting from monolayers) Kelvin Probe Force Microscopy (KPFM) of the layered materials BA2PbBr4, Butylammonium(methylammonium)lead bromide (BA2MAPb2Br7), and molybdenum sulfide (MoS2) were studied showing an exponential relation between the thickness of the materials and their surface potentials.
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