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Supramolecular Assembly of Halide Perovskite Building Blocks
Supramolecular Assembly of Halide Perovskite Building Blocks
Supramolecular Assembly of Halide Perovskite Building Blocks

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20250211151441
ISBN  
9798384452706
DDC  
620.11
저자명  
Zhu, Cheng.
서명/저자  
Supramolecular Assembly of Halide Perovskite Building Blocks
발행사항  
[Sl] : University of California, Berkeley, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
113 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-03, Section: B.
주기사항  
Advisor: Yang, Peidong.
학위논문주기  
Thesis (Ph.D.)--University of California, Berkeley, 2024.
초록/해제  
요약In recent years, there has been significant attention drawn towards metal halide perovskites, a class of semiconducting materials distinguished by their remarkable optoelectronic properties. In the halide perovskite structure, the metal halide octahedron ([BX6] n- , B = metal cation, X = halide anion) is the fundamental building block and functional unit. This dissertation aims to present a novel perspective by proposing a supramolecular approach to manipulate the metal halide octahedral building blocks. The new supramolecular building block is constructed from the ionic halide perovskite octahedral unit and crown ether supramolecular cations, resulting in the formation of a novel (crown-ether A)2BX6 (A = alkali metal cation) dumbbell structural unit. The chemistry, properties, and application of this supramolecular approach constitute the main topics of this dissertation.Chapter 1 provides an overview of halide perovskite materials, encompassing their structure, synthesis, properties, and applications. The concept of dimensionality in halide perovskites and the significance of the metal halide octahedral [BX6] n- building blocks are introduced, laying the foundation for the subsequent discussion on the supramolecular assembly approach. In Chapter 2, we delve into the details of the supramolecular assembly approach, highlighting its structural and compositional adaptability, along with its immense potential in various optoelectronic applications. Chapter 3 delves into the synthesis and characterization of two new blue and green emitters with near-unity photoluminescence quantum yield (PLQY), (18- Crown-6 K)2HfBr6 and (18-Crown-6 K)2ZrCl4Br2, derived from the supramolecular assembly approach. Comprehensive optical studies of these materials are presented, along with demonstrations of their applications in display and 3D-printing technologies. Lastly, chapter 4 provides a summary of the research findings and offers insights into the future directions for the supramolecular assembly approach, establishing a solid foundation for the future development and application of halide perovskites.
일반주제명  
Materials science
일반주제명  
Physical chemistry
일반주제명  
Optics
일반주제명  
Organic chemistry
키워드  
Metal halide perovskites
키워드  
Optoelectronic properties
키워드  
Supramolecular assembly
키워드  
Photoluminescence quantum yield
키워드  
Crown ethers
기타저자  
University of California, Berkeley Materials Science & Engineering
기본자료저록  
Dissertations Abstracts International. 86-03B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■00520250211151441
■006m          o    d                
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■020    ▼a9798384452706
■035    ▼a(MiAaPQ)AAI31296097
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a620.11
■1001  ▼aZhu,  Cheng.
■24510▼aSupramolecular  Assembly  of  Halide  Perovskite  Building  Blocks
■260    ▼a[Sl]▼bUniversity  of  California,  Berkeley▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a113  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-03,  Section:  B.
■500    ▼aAdvisor:  Yang,  Peidong.
■5021  ▼aThesis  (Ph.D.)--University  of  California,  Berkeley,  2024.
■520    ▼aIn  recent  years,  there  has  been  significant  attention  drawn  towards  metal  halide  perovskites,  a  class  of  semiconducting  materials  distinguished  by  their  remarkable  optoelectronic  properties.  In  the  halide  perovskite  structure,  the  metal  halide  octahedron  ([BX6]  n-  ,  B  =  metal  cation,  X  =  halide  anion)  is  the  fundamental  building  block  and  functional  unit.  This  dissertation  aims  to  present  a  novel  perspective  by  proposing  a  supramolecular  approach  to  manipulate  the  metal  halide  octahedral  building  blocks.  The  new  supramolecular  building  block  is  constructed  from  the  ionic  halide  perovskite  octahedral  unit  and  crown  ether  supramolecular  cations,  resulting  in  the  formation  of  a  novel  (crown-ether  A)2BX6  (A  =  alkali  metal  cation)  dumbbell  structural  unit.  The  chemistry,  properties,  and  application  of  this  supramolecular  approach  constitute  the  main  topics  of  this  dissertation.Chapter  1  provides  an  overview  of  halide  perovskite  materials,  encompassing  their  structure,  synthesis,  properties,  and  applications.  The  concept  of  dimensionality  in  halide  perovskites  and  the  significance  of  the  metal  halide  octahedral  [BX6]  n-  building  blocks  are  introduced,  laying  the  foundation  for  the  subsequent  discussion  on  the  supramolecular  assembly  approach.  In  Chapter  2,  we  delve  into  the  details  of  the  supramolecular  assembly  approach,  highlighting  its  structural  and  compositional  adaptability,  along  with  its  immense  potential  in  various  optoelectronic  applications.  Chapter  3  delves  into  the  synthesis  and  characterization  of  two  new  blue  and  green  emitters  with  near-unity  photoluminescence  quantum  yield  (PLQY),  (18-  Crown-6  K)2HfBr6  and  (18-Crown-6  K)2ZrCl4Br2,  derived  from  the  supramolecular  assembly  approach.  Comprehensive  optical  studies  of  these  materials  are  presented,  along  with  demonstrations  of  their  applications  in  display  and  3D-printing  technologies.  Lastly,  chapter  4  provides  a  summary  of  the  research  findings  and  offers  insights  into  the  future  directions  for  the  supramolecular  assembly  approach,  establishing  a  solid  foundation  for  the  future  development  and  application  of  halide  perovskites.
■590    ▼aSchool  code:  0028.
■650  4▼aMaterials  science
■650  4▼aPhysical  chemistry
■650  4▼aOptics
■650  4▼aOrganic  chemistry
■653    ▼aMetal  halide  perovskites
■653    ▼aOptoelectronic  properties
■653    ▼aSupramolecular  assembly  
■653    ▼aPhotoluminescence  quantum  yield
■653    ▼aCrown  ethers
■690    ▼a0794
■690    ▼a0752
■690    ▼a0490
■690    ▼a0494
■71020▼aUniversity  of  California,  Berkeley▼bMaterials  Science  &  Engineering.
■7730  ▼tDissertations  Abstracts  International▼g86-03B.
■790    ▼a0028
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17161758▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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