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Alkaline Earth Metal–Organic Frameworks with Tailorable Ion Release: A Path for Supporting Biomineralization
Download2019-01-01
Matlinska, M.A., Ha, M., Hughton, B., Oliynyk, A.O., Iyer, A.K., Bernard, G.M., Lambkin, G., Lawrence, M.C., Katz, M.J., Mar, A., Michaelis, V.K.
An innovative application of metal–organic frameworks (MOFs) is in biomedical materials. To treat bone demineralization, which is a hallmark of osteoporosis, biocompatible MOFs (bioMOFs) have been proposed in which various components, such as alkaline-earth cations and bisphosphonate molecules,...
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Composition-Tunable Formamidinium Lead Mixed Halide Perovskites via Solvent-Free Mechanochemical Synthesis: Decoding the Pb Environments Using Solid-State NMR Spectroscopy
Download2018-01-01
Askar, A.M., Karmakar, A., Bernard, G.M., Ha, M., Terskikh, V.V., Wiltshire, B.D., Patel, S., Fleet, J., Shankar, K., Michaelis, V.K.
Mixed-halide lead perovskites are becoming of paramount interest in the optoelectronic and photovoltaic research fields, offering band gap tunability, improved efficiency, and enhanced stability compared to their single halide counterparts. Formamidinium-based mixed halide perovskites (FA-MHPs)...
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2019-01-01
Ha, M., Thiessen, A.N., Sergeyev, I.V., Veinot, J.G.C., Michaelis, V.K.
Silicon nanoparticles (SiNPs) are intriguing materials and their properties fascinate the broader scientific community; they are also attractive to the biological and materials science sub-disciplines because of their established biological and environmental compatibility, as well as their...
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Mechanochemical Synthesis of Methylammonium Lead Mixed–Halide Perovskites: Unraveling the Solid-Solution Behavior Using Solid-State NMR
Download2018-01-01
Karmakar, A., Askar, A.M., Bernard, G.M., Terskikh, V.V., Ha, M., Patel, S., Shankar, K., Michaelis, V.K.
Mixed-halide lead perovskite (MHP) materials are rapidly advancing as next-generation high-efficiency perovskite solar cells due to enhanced stability and bandgap tunability. In this work, we demonstrate the ability to readily and stoichiometrically tune the halide composition in...
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Phase Evolution in Methylammonium Tin Halide Perovskites with Variable Temperature Solid-State 119Sn NMR Spectroscopy
Download2020-01-01
Ha, M., Karmakar, A., Bernard, G.M., Basilio, E., Krishnamurthy, A., Askar, A.M., Shankar, K., Kroeker, S., Michaelis, V.K.
Hybrid organic–inorganic metal-halide perovskite materials are an emerging class of materials that could profoundly change the optoelectronic and solar absorber research fields and have far-reaching applications. Unfortunately, the leading solar-absorbing candidates are lead-containing materials...
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2019-01-01
Thiessen, A.N., Ha, M., Hooper, R.W., Yu, H., Oliynyk, A.O., Veinot, J.G.C., Michaelis, V.K.
Silicon nanoparticles (SiNPs) are biologically compatible, metal-free quantum dots that exhibit size and surface tailorable photoluminescence. The nanostructure of these materials influences their optical, chemical, and material properties and hence plays an important role in their...