In situ Spectroelectrochemistry System With Polarization-Modulated Infrared Reflection Absorption Spectroscopy

这项提案寻求为一个强大的多价光谱电化学系统PM-IRRAS(极化调制-红外反射-吸收光谱)提供资金。光谱电化学是一种联用的原位技术，它结合了电化学和光谱两种经典方法。原位红外光谱电化学是一种强有力的手段和另一种振动技术，可以获得与电位相关的表面的分子和化学性质以及电化学界面上的吸附物种。因此，为了最大限度地减少溶剂吸收造成的辐射损失，并能够在不从电解液中移除电极的情况下进行现场表征，迫切需要一种光谱电化学PMIRRAS技术。这一新能力将在两个关键的电化学研究领域产生立竿见影的影响：分子在电极上的吸附和界面电极反应(电子和电荷转移过程)，这对共同申请者的NSERC研究项目至关重要。这项技术迫切需要用于基于2D材料的电化学传感器的原位表征(M.Siaj，UQAM)，超浓水电解液中的电化学(D.Bélanger，UQAM)，用于直接乙醇燃料电池开发的铂基催化剂对乙醇分子的氧化(M.Mohamedi，INRS-EMT)，熔融反应陷阱产生的表面驻留反应中间体(M.Frenette，UQAM)，不同衬底上印刷电子器件的表征(R.Izquierdo，ETS)以及薄膜上有机小分子的电氧化和电还原(D.Guay，INRS-EMT)。该仪器对于所有六个共同申请者正在建立的研究项目至关重要。许多大学都有基本的FTIR仪器，但没有电化学PM-IRRAS。我们试图使用位于蒙特利尔地区的其他FTIR设施来执行我们的分析，因为现有的基础设施不能满足我们的要求。*我们的项目定义了一个结构良好的团队，将来自六个互补实验室和不同专业领域的研究人员联合起来，所有这些都对最大限度地利用所需设备至关重要。拟议的设备将用于培训来自UQAM、INRS-EMT、ETTS、NanoQAM和魁北克先进材料中心的学生和博士后研究员。HQP将由NanoQAM专业人员在基础和高级现场光谱电化学PM-IRRAS方面进行培训。这确保了HQP在独立使用仪器时将进一步发展的统一和高水平的实践经验。事实上，建议的仪器(PM-IRRAS)的一个独特功能是一个多功能平台，可以容纳许多不同的用户。这将为HQP提供独特和多才多艺的技能，这将是他们保持加拿大大学、公共和私人研发部门实力的强大组成部分。**

This proposal seeks funding for a powerful and polyvalent spectroelectrochemical system PM-IRRAS (Polarization Modulation-InfraRed Reflection-Adsorption Spectroscopy). Spectroelectrochemistry is a hyphenated in-situ technique that combines two classical methods, Electrochemistry and Spectroscopy. In situ infrared spectroelectrochemistry is a powerful means and an alternative vibrational technique to acquire potential-dependent insight into the molecular and chemical nature of surfaces and the adsorbed species at electrochemical interfaces. Thus, to minimize the radiation losses by solvent absorption and enable in-situ characterization without removal of the electrode from the electrolyte, a spectroelctrochemical PMIRRAS technique is urgently needed. This new capability will have an immediate impact in two key electrochemical research areas: molecular adsorption on electrodes and interfacial electrode reactions (electron and charge transfer processes), which is of paramount importance to the co-applicants' NSERC research programs. This technique is urgently needed for the in-situ characterization of 2D materials based electrochemical sensor fabrication (M. Siaj, UQAM), the electrochemistry in superconcentrated aqueous electrolytes (D. Bélanger, UQAM), the oxidation of ethanol molecules by Pt-based catalysts for direct ethanol fuel cells development (M. Mohamedi, INRS-EMT), surface-residing reaction intermediates generated by Melt-React-Trap (M. Frenette, UQAM), the characterization of printed electronic devices on different substrates (R. Izquierdo, ÉTS) and electro-oxidation and electro-reduction of small organic molecules at thin films (D. Guay, INRS-EMT). The instrument is crucial for the research programs being established by all six co-applicants. Basic FTIR instruments are present in many universities, but a Sepectroelctrochemical PM-IRRAS does not exist. Attempts to perform our analyses using other FTIR facilities, located either in Montreal area, as existing infrastructure does not meet our requirements.*** Our project defines a well–structured team uniting investigators from six complementary laboratories and diverse fields of expertise, all essential to maximize the use of the requested equipment. The proposed equipment will be used to train students and post-doctoral fellows from UQAM, INRS-EMT, ÉTS, NanoQAM and Quebec Center for Advanced Materials. HQPs will be trained in basic and advanced in-situ spectroelectrochemical PM-IRRAS by NanoQAM professionals. This ensures a uniform and high level of hands on experience that the HQP subsequently will develop further as they independently use the instrument. In fact, one of the unique features of the proposed instrument (PM-IRRAS) is a versatile platform that can accommodate many different users. This will give the HQPs a unique and versatile skill-set, that will be a strong component of their ability to maintain the strength of Canadian universities, public and private R&D sectors.**