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Fig. 3 | Nanoscale Research Letters

Fig. 3

From: Multicolor Photodetector of a Single Er3+-Doped CdS Nanoribbon

Fig. 3

The detector’s photoresponse properties. a A schematic diagram of the detector configuration. b I-V curves of the Er-CdS NR device under illumination with an incandescent lamp; the inset shows the optical microscopic image of a single Er-CdS NR detector. c The spectra response and absorption spectra of the Er-CdS NR detector; the inset shows the absorption spectrum of the Er-CdS NR detector in the range of 600–1200 nm. d PL spectra of Er-CdS NRs

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