53 Prof. Barkai Eli Department of Physics Member of BINA Nano & Advanced Materials Center Nano-Quantum Center Nano-Photonics Center Research Areas Theoretical Physics • Dynamics of cold atoms in optical lattices • Nano science: Blinking quantum dots • Statistical physics: Foundations of weak ergodicity breaking • Biophysics: dynamics of single molecules in live cells • Dynamical systems: Infinite invariant measures and weak chaos • Fractional kinetics. Fractals • Single molecule photon statistics Abstract Our research covers a wide range of theoretical problems. These range from quantum search (related to quantum computing), cold atoms physics (lightmatter interactions), dynamics of single molecules in the cell environment (biophysics) and infinite ergodic theory (statistical mechanics). Contamination spreading in strongly disordered systems is described by advection, diffusion as well as symmetry breaking which reveals new effects. Publications 2022 and 2023 • Ming Hu, Hongbo Chen, Hongru Wang, Stanislav Burov, Eli Barkai, Dapeng Wang. “Triggering Gaussian-to-Exponential Transition of Displacement Distribution in Polymer Nanocomposites via AdsorptionWorkflow in the Multinary Materials Systems lab for Energy and Sustainability. Publications 2022 and 2023 • Anagha Usha Vijayakumar, Jael George Mathew, Anya Muzikansky, HannahNoa Barad, David Zitoun. “Exploration of a NiFeV multi-metal compositional space for the oxygen evolution reaction”. Materials Advances, 2023. • Hyunah Kwon, Hannah-Noa Barad, Alex Ricardo Silva Olaya, Mariana Alarcón-Correa, Kersten Hahn, Gunther Richter, Gunther Wittstock, Peer Fischer. “Ultra-Pure Nanoporous Gold Films for Electrocatalysis”. ACS Catalysis, 2023. • Shi-Tian Xiao, Rui Yin, Lu Wu, Si-Ming Wu, Ge Tian, Menny Shalom, Li-Ying Wang, Yi-Tian Wang, Fu-Fei Pu, HannahNoa Barad, Fazhou Wang, Xiao-Yu Yang. “Hierarchically Porous Few-Layer Carbon Nitride and Its High H+ Selectivity for Efficient Photocatalytic Seawater Splitting”. Nano Letters, 2023. • Ziqian Yi, Shouqin Tian, Wei Geng, Tongkai Zhang, Wen Zhang, Yaoqi Huang, Hannah-Noa Barad, Ge Tian, Xiao-Yu Yang. “A Semiconductor Biohybrid System for Photo-Synergetic Enhancement of Biological Hydrogen Production”. Chemistry–A European Journal, 2023. • Hyunah Kwon, Hannah-Noa Barad, Alex Ricardo Silva Olaya, Mariana Alarcón-Correa, Kersten Hahn, Gunther Richter, Gunther Wittstock, Peer Fischer. “Dry Synthesis of Pure and Ultrathin Nanoporous Metallic Films”. ACS Applied Materials & Interfaces, 2023. Dr. Barad Hannah-Noa Department of Chemistry Member of BINA Nano & Advanced Materials Center Nano-Cleantech Center Nano-Energy Center Research Areas Multinary Material Systems for Energy and Sustainability Abstract The lab of Hannah-Noa Barad focuses on investigation of multinary (many element) materials that are used for the formation of sustainable fuels and energy. The multinary materials are used as catalysts to form clean sustainable fuels and in photovoltaics. For example, some of the reactions we investigate lead to the formation of H2 (e.g., by water splitting) to be used as an energy source, or carbon-based fuels like CH3CH2OH (e.g., by CO2 reduction). The methods we employ in the lab include machine learning techniques to for rational design and prediction new multinary materials and combinatorial synthesis approaches to fabricate large area libraries of multinary materials with compositional and morphological gradients. The material libraries’ physical, electrical, and chemical properties are then studied using a myriad of different techniques, all of which are built for high-throughput measurements and analysis. All the data we gather in stored in a very large database in the lab. The multinary compounds of interest that we discover are studied in-depth to investigate their working mechanisms and what drives their activity to form clean fuels. The combination of rational design and combinatorial science leads to rapid breakthroughs and state-of-the-art material systems, which will outperform currently used materials and bring about faster and more advanced solutions to the climate crisis.
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