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Developing a Platform for 2D IR Studies of the Electric Double Layer at Electrochemical Interfaces in Aqueous Electrolyte Solutions
Developing a Platform for 2D IR Studies of the Electric Double Layer at Electrochemical In...
Developing a Platform for 2D IR Studies of the Electric Double Layer at Electrochemical Interfaces in Aqueous Electrolyte Solutions

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20250211152810
ISBN  
9798384012092
DDC  
541
저자명  
Bodine, Melissa Grace.
서명/저자  
Developing a Platform for 2D IR Studies of the Electric Double Layer at Electrochemical Interfaces in Aqueous Electrolyte Solutions
발행사항  
[Sl] : The University of Chicago, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
185 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-02, Section: B.
주기사항  
Advisor: Tokmakoff, Andrei.
학위논문주기  
Thesis (Ph.D.)--The University of Chicago, 2024.
초록/해제  
요약Solvation in aqueous electrolyte solutions and at interfaces still has many questions remaining despite being prevalent throughout the energy and water remediation industries. The electrical double layer is where many important dynamical processes such as catalysis and electron transfer occur. The goal of this thesis is to study solvation through development of vibrational probes, and the electrical double layer with two-dimensional infrared (2D IR) spectroscopy to experimentally access the details of the structural dynamics of this complex environment. However, there are several experimental challenges to applying 2D IR spectroscopy to this application, such as assuring the surface specificity of the spectrum, optimizing the signal strength while minimizing spectral distortions from dispersion and Fano lineshapes, and selecting electrode materials that are both sufficiently IR compatible and conductive. Here we will discuss various considerations when designing 2D IR experiments of electrode interfaces, utilizing several substrates and experimental configurations and demonstrate a robust method for 2D IR experiments of electrode interfaces under applied potential that combines non-conducting Si ATR wafers with conductive ITO and thin nanostructured films of plasmonically active Au functionalized with thiol monolayers. We show that layered electrodes on thin Si ATR wafers with thiol monolayers are sensitive to applied potential, and that the distortions in the linear and 2D IR spectra are heavily dependent on the morphology of the Au surface. Additionally, interpretation of spectra taken at the interface is a complex question, and we also discuss possible interpretations in this thesis, as well as suggest future studies that could help to elucidate structural and dynamical processes at the electrochemical interface. Overall, the findings in this thesis contribute to the broader field of electrochemistry and spectroscopy, offering new tools and methodologies for probing interfacial phenomena at the molecular level.
일반주제명  
Physical chemistry
일반주제명  
Condensed matter physics
일반주제명  
Analytical chemistry
일반주제명  
Molecular chemistry
키워드  
Solvation
키워드  
Electrical double layer
키워드  
Two-dimensional infrared spectroscopy
키워드  
Electrode interfaces
키워드  
Electrochemistry
기타저자  
The University of Chicago Chemistry
기본자료저록  
Dissertations Abstracts International. 86-02B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

 008250123s2024        us                              c    eng  d
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■006m          o    d                
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■020    ▼a9798384012092
■035    ▼a(MiAaPQ)AAI31557876
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a541
■1001  ▼aBodine,  Melissa  Grace.▼0(orcid)0000-0002-1655-2155
■24510▼aDeveloping  a  Platform  for  2D  IR  Studies  of  the  Electric  Double  Layer  at  Electrochemical  Interfaces  in  Aqueous  Electrolyte  Solutions
■260    ▼a[Sl]▼bThe  University  of  Chicago▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a185  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-02,  Section:  B.
■500    ▼aAdvisor:  Tokmakoff,  Andrei.
■5021  ▼aThesis  (Ph.D.)--The  University  of  Chicago,  2024.
■520    ▼aSolvation  in  aqueous  electrolyte  solutions  and  at  interfaces  still  has  many  questions  remaining  despite  being  prevalent  throughout  the  energy  and  water  remediation  industries.  The  electrical  double  layer  is  where  many  important  dynamical  processes  such  as  catalysis  and  electron  transfer  occur.  The  goal  of  this  thesis  is  to  study  solvation  through  development  of  vibrational  probes,  and  the  electrical  double  layer  with  two-dimensional  infrared  (2D  IR)  spectroscopy  to  experimentally  access  the  details  of  the  structural  dynamics  of  this  complex  environment.  However,  there  are  several  experimental  challenges  to  applying  2D  IR  spectroscopy  to  this  application,  such  as  assuring  the  surface  specificity  of  the  spectrum,  optimizing  the  signal  strength  while  minimizing  spectral  distortions  from  dispersion  and  Fano  lineshapes,  and  selecting  electrode  materials  that  are  both  sufficiently  IR  compatible  and  conductive.  Here  we  will  discuss  various  considerations  when  designing  2D  IR  experiments  of  electrode  interfaces,  utilizing  several  substrates  and  experimental  configurations  and  demonstrate  a  robust  method  for  2D  IR  experiments  of  electrode  interfaces  under  applied  potential  that  combines  non-conducting  Si  ATR  wafers  with  conductive  ITO  and  thin  nanostructured  films  of  plasmonically  active  Au  functionalized  with  thiol  monolayers.  We  show  that  layered  electrodes  on  thin  Si  ATR  wafers  with  thiol  monolayers  are  sensitive  to  applied  potential,  and  that  the  distortions  in  the  linear  and  2D  IR  spectra  are  heavily  dependent  on  the  morphology  of  the  Au  surface.  Additionally,  interpretation  of  spectra  taken  at  the  interface  is  a  complex  question,  and  we  also  discuss  possible  interpretations  in  this  thesis,  as  well  as  suggest  future  studies  that  could  help  to  elucidate  structural  and  dynamical  processes  at  the  electrochemical  interface.  Overall,  the  findings  in  this  thesis  contribute  to  the  broader  field  of  electrochemistry  and  spectroscopy, offering  new  tools  and  methodologies  for  probing  interfacial  phenomena  at  the  molecular  level.
■590    ▼aSchool  code:  0330.
■650  4▼aPhysical  chemistry
■650  4▼aCondensed  matter  physics
■650  4▼aAnalytical  chemistry
■650  4▼aMolecular  chemistry
■653    ▼aSolvation  
■653    ▼aElectrical  double  layer
■653    ▼aTwo-dimensional  infrared  spectroscopy  
■653    ▼aElectrode  interfaces
■653    ▼aElectrochemistry  
■690    ▼a0494
■690    ▼a0431
■690    ▼a0486
■690    ▼a0611
■71020▼aThe  University  of  Chicago▼bChemistry.
■7730  ▼tDissertations  Abstracts  International▼g86-02B.
■790    ▼a0330
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17163930▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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