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. 2019 Aug 5;10:3513. doi: 10.1038/s41467-019-11465-6

Fig. 1.

Fig. 1

Device structure and detection mechanism of the integrated homojunction interfacial workfunction internal photoemission (HIWIP) detector and LED. a Structure of the HIWIP-LED up-converter device. b Band diagram of HIWIP-LED up-converter device. c The I–V characteristic (with 300 K background radiation) of the up-converter at different temperatures