Figure 4. Electroluminescence properties and NIR applications (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Figure 4. Electroluminescence properties and NIR applications

Caption

Figure 4. Electroluminescence properties and NIR applications. a, Driven current-dependent EL spectra and EL intensity of the as-fabricated NIR pc-LED with 460 nm chip. b, The NIR imaging capabilities of the as-fabricated pc-LED. (The upper panel displays visible-light images captured by visible camera in natural light, while the lower panel was taken with NIR camera under pc-LED illumination). c, The histogram of NIR luminescence intensity excited with different power densities. The insets are NIR luminescence images of NIME excited with different power densities. d, The NIR luminescence images of NIME through seal films of different thicknesses under the excitation of 450 nm

Credit

Peipei Dang et al.

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CC BY

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