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Ngei Katumo
Ngei Katumo
Karlsruhe Institute of Technology
Luminescence
Optoelectronics
Materials science
Fluorescence
temperature sensitive
4
Papers
20
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Anticounterfeiting Labels with Smartphone-Readable Dynamic Luminescent Patterns Based on Tailored Persistent Lifetimes in Gd2O2S:Eu3+/Ti4+
2021
Advanced materials and technologies
Ngei Katumo
Luis Arturo Ruiz-Preciado
Vinay Kumar
Gerardo Hernandez-Sosa
Bryce S. Richards
Ian A. Howard
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Citations (1)
Unclonable anti-counterfeiting labels based on microlens arrays and luminescent microparticles
2021
arXiv: Applied Physics
Vinay Kumar
Stephan Dottermusch
Ngei Katumo
Bryce S. Richards
Ian A. Howard
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Ratiometric Luminescent Thermometry with Excellent Sensitivity over a Broad Temperature Range Utilizing Thermally‐Assisted and Multiphoton Upconversion in Triply‐Doped La 2 O 3 :Yb 3+ /Er 3+ /Nd 3+
2020
Advanced Optical Materials
Guojun Gao
Dmitry Busko
Ngei Katumo
Reetu Joseph
Eduard Madirov
Andrey Turshatov
Ian A. Howard
Bryce S. Richards
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Citations (3)
Smartphone‐Based Luminescent Thermometry via Temperature‐Sensitive Delayed Fluorescence from Gd2O2S:Eu3+
2020
Advanced Optical Materials
Ngei Katumo
Guojun Gao
Felix Laufer
Bryce S. Richards
Ian A. Howard
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Citations (16)
1