Dr. Alexandra Johnson
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Profile
Dr. Alexandra Johnson received her B.A. in Biochemistry from Vassar College and her PhD in Chemistry from the Johns Hopkins University, under the supervision of Dr. Rebekka S. Klausen. Alex’s research focused on the precision synthesis and functionalization of cyclic organosilanes. She completed an ORISE Post-Doctoral Fellowship in the Department of Energy (DOE)-Office of Energy Efficiency and Renewable Energy (EERE), where she advised, documented, and implemented programs and funding practices related to STEM and University partnerships in the clean energy sector. Alex’s interests in Synthetic Chemistry, STEM education, and public service drives her to advocate for others and foster new generations of scientists.
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Grants and Fellowships
National Science Foundation (NSF) Graduate Research Fellowship Program (GRFP) - 2017
Johns Hopkins University (JHU) Nathaniel Boggs Fellowship - 2019
Johns Hopkins University (JHU) Teaching Academy Certificate - 2019
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Grants and Fellowships
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Publications
Journal Articles
Gittens, A., Jiang, Q., Siegler, M., Klausen, R.S. “Conjugation in Isomeric Cyclosilane Thioethers”. Organometallics. 2022, 41, 23, 3762–3769.
Jiang, Q., Gittens, A., Wong, S. Siegler, M., Klausen, R. S. "Highly Selective Addition of Cyclosilanes to Alkynes Enabling New Conjugated Materials". Chem Sci. 2022, 13, 7587.
Guan, W., Lu, L., Jiang, Q., Gittens, A., Wang, Y., Novaes, L. F. T., Klausen, R. S., Lin, S. “Electrochemical logic to synthesize linear and cyclic oligosilanes from chlorosilanes”. Chem. Int. Ed. 2023, 62, e202303592.
Wentz, K., Gittens, A., S. Klausen, R.S. “Precise Synthesis of Complex Si–Si Molecular Frameworks”. Am. Chem. Soc. 2025, 147, 4, 2938–2959.
Jiang, Q., Coschigano, M., Gittens, A., Melvin, S., Klausen, R.S. “Stereogenic-at-Silicon Hybrid Conjugated Polymers”. Polymer Chemistry. 2025. Manuscript Accepted.