Dr. Dongheon Ha Profile

Dr. Dongheon Ha

Postdoctoral Researcher at National Institute of Standards and Technology

SPIE Involvement:

Author

Area of Expertise:

Optoelectronics , Light management , Semiconductor Physics , Nanoscale spectroscopy , Photovoltaics , Nanostructures

Publications (2)

Proceedings Article | 19 September 2018 Presentation + Paper

Improving dielectric nano-resonator-based antireflection coatings for photovoltaics

Dongheon Ha, Nikolai Zhitenev

Proceedings Volume 10730, 107300A (2018) https://doi.org/10.1117/12.2320744

KEYWORDS: Silicon, Solar cells, Antireflective coatings, Thin films, Refractive index, Dielectrics, Gallium arsenide, Near field scanning optical microscopy, Photovoltaics, Near field optics

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Proceedings Article | 14 September 2018 Presentation + Paper

Nanoimaging of local photocurrent in hybrid perovskite solar cells via near-field scanning photocurrent microscopy

Dongheon Ha, Yohan Yoon, Ik Jae Park, Paul Haney, Nikolai Zhitenev

Proceedings Volume 10737, 1073714 (2018) https://doi.org/10.1117/12.2320738

KEYWORDS: Perovskite, Solar cells, Near field scanning optical microscopy, Lead, Microscopy, Atomic force microscopy, Photovoltaics, Scanning electron microscopy, Crystals, Silver

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