Academic Journal
Highly Reactive Diazenyl Radical Species Evidenced during Aryldiazonium Electroreduction
| العنوان: | Highly Reactive Diazenyl Radical Species Evidenced during Aryldiazonium Electroreduction |
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| المؤلفون: | Pichereau, Laure, Fillaud, Laure, Kostopoulos, Nikolaos, Maisonhaute, Emmanuel, Cauchy, Thomas, Allain, Magali, Noël, Jean-Marc, Gautier, Christelle, Breton, Tony |
| المساهمون: | MOLTECH-Anjou, Université d'Angers (UA)-Institut de Chimie - CNRS Chimie (INC-CNRS)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Interfaces et Systèmes Electrochimiques (LISE), Institut de Chimie - CNRS Chimie (INC-CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Interfaces, Traitements, Organisation et Dynamique des Systèmes (ITODYS (UMR_7086)), Institut de Chimie - CNRS Chimie (INC-CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), CNRS, ANR, ANR-20-CE42-0001,PIRaNa,Imagerie quantitative de la production de radicaux hydroxyles à proximité de nano-objets individuels: une méthodologie opto-electrochimique(2020) |
| المصدر: | ISSN: 1948-7185. |
| بيانات النشر: | CCSD American Chemical Society |
| سنة النشر: | 2022 |
| مصطلحات موضوعية: | [CHIM]Chemical Sciences, [CHIM.CATA]Chemical Sciences/Catalysis, [CHIM.MATE]Chemical Sciences/Material chemistry, [CHIM.ORGA]Chemical Sciences/Organic chemistry, [CHIM.OTHE]Chemical Sciences/Other |
| الوصف: | International audience ; We report the experimental reassessment of the commonly admitted concerted reduction mechanism for the diazonium electroreduction. Ultrafast cyclic voltammetry was exploited to demonstrate the existence of a stepwise pathway and real-time spectroelectrochemistry experiments allowed to visualize the spectral signature of an evolution product of the nitrophenyldiazenyl radical intermediate. Unambiguous identification of the diazenyl species was achieved by radical trapping followed by X-ray structure resolution. This study brings the evidence of our incomplete understanding of the diazonium electroreduction and calls into question our comprehension of the layer structuration when surface modification is achieved via the diazonium electrografting technique. The systematic presence of azo bridges in the nanometric films is likely due to the direct grafting of the aryldiazenyl radical intermediate evidenced here. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| Relation: | info:eu-repo/semantics/altIdentifier/pmid/36520548; PUBMED: 36520548 |
| DOI: | 10.1021/acs.jpclett.2c03089 |
| الاتاحة: | https://hal.science/hal-04303155 https://hal.science/hal-04303155v2/document https://hal.science/hal-04303155v2/file/J%20phys%20chem%20Letter%202022.pdf https://doi.org/10.1021/acs.jpclett.2c03089 |
| Rights: | http://creativecommons.org/licenses/by-nc-sa/ ; info:eu-repo/semantics/OpenAccess |
| رقم الانضمام: | edsbas.3CD5CA01 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1021/acs.jpclett.2c03089 |
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