CAS: Novel Plasmon-Assisted Reaction Pathways on Well-Defined TiO2 Single Microcrystals in Realistic Conditions Using in-Situ Spectroscopies

CAS：使用原位光谱在现实条件下明确定义的 TiO2 单微晶上的新型等离子体辅助反应途径

• 批准号: 2247107
• 负责人: Zhenrong Zhang
• 金额: $ 46.94万
• 依托单位: Baylor University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2023
• 资助国家: 美国
• 起止时间: 2023-07-01 至 2026-06-30
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2247107&HistoricalAwards=false
• 关键词: CAS; Novel; Plasmon; Assisted; Reaction

With the support of the Chemical Catalysis program in the Division of Chemistry, Professor Zhenrong Zhang and Dr. Weigang Lu of Baylor University are studying new enabling catalysts based on the novel design of optical materials for highly-efficient photoreactions. Economical plasmonic materials (TiN) will be fabricated in a precisely designed nanostructure form on traditional oxide catalysts to understand new photoreaction pathways. The developed catalysts will advance the field of plasmon-enhanced catalyst research with new catalytic materials and will significantly enhance catalytic efficiencies. The new concepts of catalysis will open the path for improved industrial catalytic processes and new optoelectronic applications. The team will engage in research training activities on advanced imaging and photonic technology for undergraduate students from small four-year schools and public outreach at Baylor’s Mayborn Museum to promote optics and spectroscopy in the Waco community. This funded research project is focused on developing and understanding new photoreaction channels. Zhenrong Zhang and Weigang Lu will utilize economical plasmonic catalyst materials (TiN) and novel designs to enable new plasmon-enhanced pathways and possible manipulation of the reaction processes for highly efficient photocatalytic reactions. The research team will design the distribution of the enhanced electric field surrounding the plasmonic nanostructure to efficiently inject hot electrons from the plasmonic material into the TiO2, fabricate well-designed plasmonic nanostructure arrays on well-defined micro-sized TiO2 crystals, establish efficient plasmon-coupling through spatially-resolved studies, and investigate novel plasmon-assisted photoreaction pathways and mechanisms through in situ microscale and nanoscale studies in ambient and in liquid. This project uniquely integrates the optical functionalities of novel plasmonic materials with well-defined traditional oxide catalysts to develop new photocatalyst functionalities. The proposed work has the potential to advance the field of plasmon-enhanced catalyst research by providing enhanced understanding of reaction mechanisms at nanometer spatial resolution.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

在化学系化学催化项目的支持下，贝勒大学的张振荣教授和陆伟刚博士正在研究基于新型光学材料设计的新型催化剂，用于高效经济的等离子体材料（TiN）。将在传统氧化物催化剂上以精确设计的纳米结构形式制造，以了解新的光反应途径，所开发的催化剂将通过新的催化推动等离子体增强催化剂研究领域。材料并将显着提高催化效率。催化的新概念将为改进工业催化过程和新的光电应用开辟道路，该团队将为小型四年制学校的本科生开展先进成像和光子技术的研究培训活动。贝勒梅博恩博物馆的公众宣传活动，以促进韦科社区的光学和光谱学。该资助的研究项目致力于开发和了解新的光反应通道。经济的等离激元催化剂材料（TiN）和新颖的设计，以实现新的等离激元增强途径和可能的反应过程操纵，以实现高效的光催化反应。研究小组将设计等离激元纳米结构周围的增强电场的分布，以有效地注入热。电子从等离激元材料进入二氧化钛，在明确的微米尺寸二氧化钛晶体上制造精心设计的等离激元纳米结构阵列，通过建立有效的等离激元耦合该项目独特地将新型等离子体材料的光学功能与明确的传统氧化物催化剂相结合，以开发新型光催化剂。拟议的工作有可能通过增强对纳米空间分辨率反应机制的理解来推进等离子体增强催化剂研究领域。该奖项反映了 NSF 的法定使命，并被视为值得通过使用基金会的智力优点和更广泛的影响审查标准进行评估来支持。