Synthetic Integration of Inorganic-Organic Functionality in Hybrid Semiconductors Based on Chalcogenide Clusters

在材料研究部固态和材料化学项目的支持下，本研究的目标是为能源和环境应用创造新一代晶体多孔半导体材料。高表面积和半导体特性的结合使这些新材料作为高效吸附剂和光催化剂特别有用，包括吸附和太阳能驱动的二氧化碳转化为燃料，如甲烷。该研究具有广泛的影响，因为它融合在一起，并有助于各个领域，如光催化材料，半导体纳米粒子，簇化学，多孔材料。PI积极参与各种本科教育和培训项目。该项目结合了材料合成的多样性以及各种表征和测量技术。本研究的总体目标是开发高度稳定的晶体多孔硫族化合物，该化合物具有高比表面积和均匀孔隙度，具有半导体和光电性能，并研究从选择性气体吸附，可见光响应光电极到光催化和电催化的各种性能和应用。通过整合金属硫族化合物化学和纳米多孔固体的合成和结构原理，本研究寻求采用模板化多组分共组装工艺来创建新一代化学和光化学稳定的硫族化合物基晶体多孔半导体。具体而言，本研究旨在利用异质金属硫族化合物体系和有机物种的结构和功能多样性来控制硫族化合物簇和框架的结构，并调整其半导体和光电性能。该项目有助于开发和推进半导体材料和纳米多孔固体之间界面的跨学科研究的新领域。该项目探索了一个新的前沿，处理基于硫族化合物构建块的独特多孔和半导体材料。该活动提供了对晶体多孔半导体的合成设计和优化的关键因素的基本理解。参加本项目的学生将获得在合成、材料表征和性能测量方面的良好培训机会。

Non-Technical SummaryWith support from the Solid State and Materials Chemistry program in the Division of Materials Research, the goal of this research is to create a new generation of crystalline porous semiconducting materials for energy and environmental applications. The integration between high surface area and semiconducting properties makes these new materials especially useful as efficient adsorbents and photocatalysts for applications including adsorption and solar-energy-driven conversion of carbon dioxide into fuels such as methane. The research has broad impact because it blends together and contributes to various fields such as photocatalytic materials, semiconducting nanoparticles, cluster chemistry, and porous materials. The PI is actively involved in various educational and training programs for undergraduate students. The project combines diversity in materials synthesis and various characterization and measurement techniques. Technical SummaryThe overall objective of this research is to develop highly stable crystalline porous chalcogenides that integrate high-surface area and uniform porosity with semiconductivity and optoelectronic properties and to study various properties and applications ranging from selective gas sorption, visible-light responsive photoelectrodes, to photocatalysis and electrocatalysis. By integrating synthetic and structural principles from metal chalcogenide chemistry and nanoporous solids, this research seeks to employ templated multi-component co-assembly processes to create a new generation of chemically and photochemically stable chalcogenide-based crystalline porous semiconductors. Specifically, the research aims to utilize heterometallic chalcogenide systems and structural and functional diversity of organic species to control structures of chalcogenide clusters and frameworks and to tune their semiconducting and optoelectronic properties. This project helps to develop and advance a new area of cross-disciplinary research at the interface between semiconducting materials and nanoporous solids. The project explores a new frontier dealing with unique porous and semiconducting materials based on chalcogenide building blocks. The activity provides the fundamental understanding about key factors in the synthetic design and optimization of crystalline porous semiconductors. Students in this project benefit from excellent training opportunities in synthesis, materials characterization, and property measurements.