Blue, Violet, and UV Emission from Perovskite Devices
Daniel Congreve a, Manchen Hu a, Sebastian Fernandez a, Divine Mbachu a, Natalia Murrietta a, Tyler Colenbrander a, Junrui Lyu a, William Michaels a, Pournima Narayanan a b, Qi Zhou a
a Department of Electrical Engineering, Stanford University, United States
b Chemistry, Stanford University, 333 Campus Dr, Stanford, CA 94305, United States
Proceedings of MATSUS Fall 2026 Conference (MATSUSFall26)
A5 Interface Engineering, Optical Strategies and Multijunction Designs in Perovskite Photovoltaics and Optoelectronics
Palma, Spain, 2026 October 26th - 30th
Organizers: Clara Aranda Alonso and Monika Rai
Invited Speaker, Daniel Congreve, presentation 178
Publication date: 22nd July 2026

Light emission in the blue, violet, and UV portion of the spectrum is of crucial importance: blue devices are required for emissive devices, while violet and UV emission plays a key role in manufacturing, sensing, photochemistry, and sanitization and purification. Despite these needs, however, perovskite performance at these wavelengths has lagged behind red and green emitters. In this talk, we will discuss our efforts to achieve efficient photoluminescence and electroluminescence across these wavelength ranges. We will demonstrate the positive role of dopant addition to perovskite materials and highlight how careful control of fabrication conditions allows for more efficient emission. We will show how these innovations translate to devices, and highlight ongoing challenges with emissive efficiency and stability. Finally, we will highlight chemical efforts towards more effective emission in the UV, and how these techniques can be combined to open new optoelectronic opportunities towards effective devices for medical, sterilization, and manufacturing opportunities. 

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