Proceedings of MATSUS Spring 2024 Conference (MATSUS24)
DOI: https://doi.org/10.29363/nanoge.matsus.2024.404
Publication date: 18th December 2023
Third generation solar cells have the potential to provide a viable source of renewable energy to help decarbonize our economy and power wearable devices. With their exceptional performance in diffused light under indoor conditions, dye-sensitized solar cells (DSCs) remain competitive for powering the next digital revolution forming the internet of things.[1] When integrated with an energy storage system such as an electric double layer capacitor (EDLC), DSCs can offer reliable uninterrupted energy output as a photocapacitor. However, conventional DSCs use liquid electrolyte as the redox mediator, which limits the suitability of the technology for scale up and commercialization. Joining the quest for stable, reproducible solid-state hole transport materials (HTM), we are exploring nanostructured metal-organic frameworks (MOFs). These emerging materials possess the highly ordered structure of inorganic materials combined with the chemically tailorable properties and low cost of organics, and have outperformed their precursors in a wide range of applications.[2]
In my talk, I will introduce copper benzenetetrathiol (CuBTT) system with highly efficient redox conductivity as a solid state HTM. We demonstrate that creation of highly interconnected networks of these polymeric nanowires improves the conductivity and when epitaxially assembled, these nanowire architectures infiltrate and form better contact with the dye molecules. We also show that modulator assisted bottom-up synthesis gives stacked 2D layers penetrated by 1D cylindrical channels for ion conduction. This can act as a suitable interface when the DSC is coupled with an EDLC in a photocapacitor architecture. This work establishes MOF nanosheets as efficient interface materials for solar capture and storage devices.
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Previously nanoGe Spring Meeting (NSM) and nanoGe Fall Meeting (NFM), MATSUS is a multiple symposia conference focused on a broad set of topics of advanced materials preparation, their fundamental properties, and their applications, in fields such as renewable energy, photovoltaics, lighting, semiconductor quantum dots, 2-D materials synthesis, charge carriers dynamics, microscopy and spectroscopy semiconductors fundamentals, etc.
International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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