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Organic Molecules with Delayed Fluorescence Applied to Human-Centric Lighting and Radiation Detectors
Organic Molecules with Delayed Fluorescence Applied to Human-Centric Lighting and Radiation Detectors
상세정보
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20260202105521
- ISBN
- 9798263338763
- DDC
- 600
- 서명/저자
- Organic Molecules with Delayed Fluorescence Applied to Human-Centric Lighting and Radiation Detectors
- 발행사항
- [Sl] : Georgia Institute of Technology, 2024
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2024
- 형태사항
- 173 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 87-05, Section: A.
- 주기사항
- Advisor: Kippelen, Bernard.
- 학위논문주기
- Thesis (Ph.D.)--Georgia Institute of Technology, 2024.
- 초록/해제
- 요약This research explores the class of organic molecules exhibiting thermally activated delayed fluorescence and their application to wavelength-shifting light converters and scintillators through stereolithography. This document begins by establishing the motivation for this work as well as the historical context in the literature.This thesis explores the fundamentals of lighting physics, recent developments in lighting science, and the open challenges rooted in the photophysics of materials. The research program conducted to address those challenges is discussed, resulting in a proposed set of metrics to better benchmark light sources, and a proposed light source that is color tunable through correlated color temperature (CCT) values ranging from 4,277 K to 22,333 K with color gamut index Rg values within 3%, IES color fidelity index Rf values within 7% of the natural light reference illuminant. The efficiency metrics pertaining to circadian lighting performance remain within 10% of those of the natural light reference illuminant over the same CCT range. Applications of this light source technology are explored in the context of advancing the state-of-the-art towards fully 3D-printed network connected lighting systems that reach power efficiency beyond 390 lmW-1.The second half of this thesis focuses on ionizing radiation detection. The basic architectures of detectors for different energies and open challenges in the field are discussed. Advances made towards 3D-printable plastic scintillators are discussed, and the performance enhancements resulting from loading the scintillator with molecules exhibiting thermally activated delayed fluorescence and high-Z materials for improved capture cross-section, achieving 662 keV resolution. The application of these scintillators and wavelength shifting-light converters towards detector systems for nuclear nonproliferation systems are highlighted, including monitoring through unmanned vehicles and remote large-volume detectors relevant to particle physics. Spectral overlap is projected to be improved by a factor exceeding 2.
- 일반주제명
- Mechanical properties
- 일반주제명
- Lighting systems
- 일반주제명
- User experience
- 일반주제명
- Rare earth elements
- 일반주제명
- Gamma rays
- 일반주제명
- Light emitting diodes
- 일반주제명
- Nuclear security
- 일반주제명
- Carbon footprint
- 일반주제명
- Radiation detectors
- 일반주제명
- Digitization
- 일반주제명
- Energy
- 일반주제명
- Optics
- 일반주제명
- Particle physics
- 일반주제명
- Electrical engineering
- 일반주제명
- Industrial engineering
- 일반주제명
- Mechanics
- 일반주제명
- Nuclear physics
- 기본자료저록
- Dissertations Abstracts International. 87-05A.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■020 ▼a9798263338763
■035 ▼a(MiAaPQ)AAI32309597
■035 ▼a(MiAaPQ)GeorgiaTech77665
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a600
■1001 ▼aMoreno, Oliver D.
■24510▼aOrganic Molecules with Delayed Fluorescence Applied to Human-Centric Lighting and Radiation Detectors
■260 ▼a[Sl]▼bGeorgia Institute of Technology▼c2024
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2024
■300 ▼a173 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 87-05, Section: A.
■500 ▼aAdvisor: Kippelen, Bernard.
■5021 ▼aThesis (Ph.D.)--Georgia Institute of Technology, 2024.
■520 ▼aThis research explores the class of organic molecules exhibiting thermally activated delayed fluorescence and their application to wavelength-shifting light converters and scintillators through stereolithography. This document begins by establishing the motivation for this work as well as the historical context in the literature.This thesis explores the fundamentals of lighting physics, recent developments in lighting science, and the open challenges rooted in the photophysics of materials. The research program conducted to address those challenges is discussed, resulting in a proposed set of metrics to better benchmark light sources, and a proposed light source that is color tunable through correlated color temperature (CCT) values ranging from 4,277 K to 22,333 K with color gamut index Rg values within 3%, IES color fidelity index Rf values within 7% of the natural light reference illuminant. The efficiency metrics pertaining to circadian lighting performance remain within 10% of those of the natural light reference illuminant over the same CCT range. Applications of this light source technology are explored in the context of advancing the state-of-the-art towards fully 3D-printed network connected lighting systems that reach power efficiency beyond 390 lmW-1.The second half of this thesis focuses on ionizing radiation detection. The basic architectures of detectors for different energies and open challenges in the field are discussed. Advances made towards 3D-printable plastic scintillators are discussed, and the performance enhancements resulting from loading the scintillator with molecules exhibiting thermally activated delayed fluorescence and high-Z materials for improved capture cross-section, achieving 662 keV resolution. The application of these scintillators and wavelength shifting-light converters towards detector systems for nuclear nonproliferation systems are highlighted, including monitoring through unmanned vehicles and remote large-volume detectors relevant to particle physics. Spectral overlap is projected to be improved by a factor exceeding 2.
■590 ▼aSchool code: 0078.
■650 4▼aMechanical properties
■650 4▼aLighting systems
■650 4▼aUser experience
■650 4▼aRare earth elements
■650 4▼aGamma rays
■650 4▼aLight emitting diodes
■650 4▼aNuclear security
■650 4▼aCarbon footprint
■650 4▼aRadiation detectors
■650 4▼aDigitization
■650 4▼aEnergy
■650 4▼aOptics
■650 4▼aParticle physics
■650 4▼aElectrical engineering
■650 4▼aIndustrial engineering
■650 4▼aMechanics
■650 4▼aNuclear physics
■690 ▼a0791
■690 ▼a0752
■690 ▼a0798
■690 ▼a0544
■690 ▼a0546
■690 ▼a0338
■690 ▼a0346
■690 ▼a0756
■71020▼aGeorgia Institute of Technology.
■7730 ▼tDissertations Abstracts International▼g87-05A.
■790 ▼a0078
■791 ▼aPh.D.
■792 ▼a2024
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360416▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.


