YunHui (Lisa) Lin joined NREL in 2019 as a director’s postdoctoral fellow under the mentorship of Justin Johnson. Her research focuses on interfacial energy and charge transfer reactions in low-dimensional perovskite materials. She is also active in NREL’s Postdoc, Graduate Student, and Intern Employee Resource Group as a professional development officer. Prior to joining NREL, Lin received a doctorate in electrical engineering and materials science from Princeton University, where she was advised by Professor Barry Rand. In her doctoral research, she investigated donor/acceptor charge transfer states in singlet fission organic solar cells and developed a novel solid-state organic intermediate band solar cell using triplet-triplet annihilation upconversion. Lin enjoys working at the intersection of novel materials design and synthesis, spectroscopy, and application engineering.

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Research Interests

Hybrid organic-inorganic perovskites

Low-dimensional perovskite materials

Singlet fission

Photon upconversion

Photoluminescence and ultrafast spectroscopy of light-emitting materials

Optoelectronic devices


Ph.D., Electrical Engineering and Materials Science, Princeton University

B.S.E., Electrical Engineering, Princeton University

Professional Experience

Postdoctoral Researcher, NREL (2019–present)

Hardware Engineering Intern, Apple (2018–2019)

Professional Development Officer, NREL Postdoc, Graduate Student + Intern Employee Resource Group Graduate Research Assistant, Princeton University (2013–2019)

Associations and Memberships

Member, Materials Research Society

Member, American Chemical Society

Featured Work

Interlayer Triplet Energy Transfer in Dion-Jacobson Two-Dimensional Lead Halide Perovskites Containing Naphthalene Diammonium Cations, J. Phys. Chem. Lett.. (2021)

Donor/Acceptor Charge Transfer States at 2D Metal Halide Perovskite and Organic Semiconductor Interfaces, ACS Energy Lett. (2018)

Triplet Energy Transfer Governs the Dissociation of the Correlated Triplet Pair in Exothermic Singlet Fission, J. Phys. Chem. Lett. (2018)

The Impact of Local Morphology on Organic Donor/Acceptor Charge Transfer States, Adv. Energy Mater. (2018)

Variable Charge Transfer State Energies at Nanostructured Pentacene/C60 Interfaces, Appl. Phys. Lett. (2018)

Enhanced Sub-Bandgap Efficiency of a Solid-State Organic Intermediate Band Solar Cell Using Triplet-Triplet Annihilation, Energy & Environ. Sci. (2017)

Morphological Tuning of the Energetics in Singlet Fission Organic Solar Cells, Adv. Funct. Mater. (2016)

Redox Chemistry Dominates the Degradation and Decomposition of Metal Halide Perovskite Optoelectronic Devices, ACS Energy Lett. (2016)


Solid-State Organic Intermediate-Band Photovoltaic Devices, U.S. Patent 10665803

Awards and Honors

NREL Director’s Postdoctoral Fellowship (2019)

Materials Research Society Graduate Student Silver Award (2017)

Materials Research Society Arthur Nowick Graduate Student Award (2017)

Yan Huo *94 Electrical Engineering Graduate Student Fellowship, Princeton University (2016)