H. M. Johnson
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View article: Discovery of Crystallizable Organic Semiconductors with Machine Learning
Discovery of Crystallizable Organic Semiconductors with Machine Learning Open
Crystalline organic semiconductors are known to have improved charge carrier mobility and exciton diffusion length in comparison to their amorphous counterparts. Certain organic molecular thin films can be transitioned from initially prepa…
View article: Discovery of Crystallizable Organic Semiconductors with Machine Learning
Discovery of Crystallizable Organic Semiconductors with Machine Learning Open
Crystalline organic semiconductors are known to have improved charge carrier mobility and exciton diffusion length in comparison to their amorphous counterparts. Certain organic molecular thin films can be transitioned from initially prepa…
View article: Discovery of Crystallizable Organic Semiconductors with Machine Learning
Discovery of Crystallizable Organic Semiconductors with Machine Learning Open
Crystalline organic semiconductors are known to have improved charge carrier mobility and exciton diffusion length in comparison to their amorphous counterparts. Certain organic molecular thin films can be transitioned from initially prepa…
View article: Mitigating Iodine Diffusion by a MoO<sub>3</sub>–Organic Composite Hole Transport Layer for Stable Perovskite Solar Cells
Mitigating Iodine Diffusion by a MoO<sub>3</sub>–Organic Composite Hole Transport Layer for Stable Perovskite Solar Cells Open
Halide perovskite solar cells (PSCs) exhibit commercialization potential, but long-term stability still must be addressed. Among various products of perovskite decomposition, iodine species are of considerable concern due to their high vap…
View article: Multimodal Characterization of Crystal Structure and Formation in Rubrene Thin Films Reveals Erasure of Orientational Discontinuities
Multimodal Characterization of Crystal Structure and Formation in Rubrene Thin Films Reveals Erasure of Orientational Discontinuities Open
Multimodal multiscale characterization provide opportunities to study organic semiconducting thin films with multiple length scales, across multiple platforms, to elucidate crystallization mechanisms of the various microstructures that imp…
View article: Thermal Properties, Molecular Structure, and Thin-Film Organic Semiconductor Crystallization
Thermal Properties, Molecular Structure, and Thin-Film Organic Semiconductor Crystallization Open
The crystallinity of a group of organic small molecules is investigated by vapor depositing the materials into thin films followed by a thermal annealing step. The materials are categorized into three groups: platelet-forming, spherulite-f…