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Localized Analysis of Nitrate Adsorption and Decomposition: Electrochemical Layers and Reaction Efficiency Yields
Localized Analysis of Nitrate Adsorption and Decomposition: Electrochemical Layers and Rea...
Localized Analysis of Nitrate Adsorption and Decomposition: Electrochemical Layers and Reaction Efficiency Yields

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202105320
ISBN  
9798297670310
DDC  
546.56
저자명  
Pan, Zixian.
서명/저자  
Localized Analysis of Nitrate Adsorption and Decomposition: Electrochemical Layers and Reaction Efficiency Yields
발행사항  
[Sl] : The Pennsylvania State University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
125 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-04, Section: A.
주기사항  
Advisor: Asbury, John B.
학위논문주기  
Thesis (Ph.D.)--The Pennsylvania State University, 2025.
초록/해제  
요약Electrocatalytic reduction of nitrate has merged as one of the promising sustainable approach to remove the excess nitrate in wasterwater. Electrocatalysis enables the conversion of pollutants into valuable chemicals using clean energy. Traditionally, catalyst development relies on trial-and-error methods, but a rational design strategy necessitates a deeper understanding of the nitrate reduction process. Currently, surface-specific mechanistic insights are largely derived from theoretical models, and there is no direct experimental evidence at the molecular level. A comprehensive understanding of the reaction pathway would significantly enhance the knowledge of electrocatalysis of nitrate reduction.In this dissertation, attenuated total reflectance surface enhanced infrared absorption spectroscopy(ATR-SEIRAS) is used to directly probe the intermediate species at the surface of a Cu/Ni alloy film. The identity and concentration of these intermediates are monitored under various electrochemical conditions, allowing their correlation with applied potential and time. This work provides the first real-time, surface specific experimental evidence for the reaction mechanism of nitrate reduction on metal alloys, establishing a systematic approach and methodology applicable to similar catalytic systems.
일반주제명  
Nitrates
일반주제명  
Electrolytes
일반주제명  
Energy conversion
일반주제명  
Electrodes
일반주제명  
Greenhouse gases
일반주제명  
Fourier transforms
일반주제명  
Clean technology
일반주제명  
Carbon dioxide
일반주제명  
Adsorption
일반주제명  
Voltammetry
일반주제명  
Ammonia
일반주제명  
Hydrogenation
일반주제명  
Electrocatalysis
일반주제명  
Climate change
일반주제명  
Scanning electron microscopy
일반주제명  
Contamination
일반주제명  
Nitrogen
일반주제명  
Analytical chemistry
일반주제명  
Mathematics
일반주제명  
Sustainability
기타저자  
The Pennsylvania State University.
기본자료저록  
Dissertations Abstracts International. 87-04A.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a546.56
■1001  ▼aPan,  Zixian.
■24510▼aLocalized  Analysis  of  Nitrate  Adsorption  and  Decomposition:  Electrochemical  Layers  and  Reaction  Efficiency  Yields
■260    ▼a[Sl]▼bThe  Pennsylvania  State  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a125  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-04,  Section:  A.
■500    ▼aAdvisor:  Asbury,  John  B.
■5021  ▼aThesis  (Ph.D.)--The  Pennsylvania  State  University,  2025.
■520    ▼aElectrocatalytic  reduction  of  nitrate  has  merged  as  one  of  the  promising  sustainable  approach  to  remove  the  excess  nitrate  in  wasterwater.  Electrocatalysis  enables  the  conversion  of  pollutants  into  valuable  chemicals  using  clean  energy.  Traditionally,  catalyst  development  relies  on  trial-and-error  methods,  but  a  rational  design  strategy  necessitates  a  deeper  understanding  of  the  nitrate  reduction  process.  Currently,  surface-specific  mechanistic  insights  are  largely  derived  from  theoretical  models,  and  there  is  no  direct  experimental  evidence  at  the  molecular  level.  A  comprehensive  understanding  of  the  reaction  pathway  would  significantly  enhance  the  knowledge  of  electrocatalysis  of  nitrate  reduction.In  this  dissertation,  attenuated  total  reflectance  surface  enhanced  infrared  absorption  spectroscopy(ATR-SEIRAS)  is  used  to  directly  probe  the  intermediate  species  at  the  surface  of  a  Cu/Ni  alloy  film.  The  identity  and  concentration  of  these  intermediates  are  monitored  under  various  electrochemical  conditions,  allowing  their  correlation  with  applied  potential  and  time.  This  work  provides  the  first  real-time,  surface  specific  experimental  evidence  for  the  reaction  mechanism  of  nitrate  reduction  on  metal  alloys,  establishing  a  systematic  approach  and  methodology  applicable  to  similar  catalytic  systems.
■590    ▼aSchool  code:  0176.
■650  4▼aNitrates
■650  4▼aElectrolytes
■650  4▼aEnergy  conversion
■650  4▼aElectrodes
■650  4▼aGreenhouse  gases
■650  4▼aFourier  transforms
■650  4▼aClean  technology
■650  4▼aCarbon  dioxide
■650  4▼aAdsorption
■650  4▼aVoltammetry
■650  4▼aAmmonia
■650  4▼aHydrogenation
■650  4▼aElectrocatalysis
■650  4▼aClimate  change
■650  4▼aScanning  electron  microscopy
■650  4▼aContamination
■650  4▼aNitrogen
■650  4▼aAnalytical  chemistry
■650  4▼aMathematics
■650  4▼aSustainability
■690    ▼a0404
■690    ▼a0486
■690    ▼a0405
■690    ▼a0640
■71020▼aThe  Pennsylvania  State  University.
■7730  ▼tDissertations  Abstracts  International▼g87-04A.
■790    ▼a0176
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360197▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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