Browsing by Subject "quantum efficiency"

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Bilayer graphene/HgCdTe based self-powered mid-wave IR nBn photodetector

Bansal, S.; Prakash, K.; Sharma, R.; Jain, P.; Gupta, N.; Singh, A. K.; Sardana, N.; Kumar, S. (2021-08-19)

The photoelectrical performance of a selfpowered high performance unipolar infrared (IR) photodetector is demonstrated utilizing Silvaco TCAD software. The unipolar IR photodetector is based on bilayer graphene (BLG) ...
Enhanced optoelectronic properties of bilayer graphene/HgCdTe-based single- a nd dual-junction photodetectors in long infrared regime

Bansal, S.; Das, A.; Jain, P.; Prakash, K.; Sharma, K.; Kumar, N.; Sardana, N.; Gupta, N.; Kumar, S.; Singh, A. K. (2021-08-30)

We present novel p+-bilayer graphene (BLG) and mercury cadmium telluride (MCT)-based single- and dualjunction photodetectors, namely, p+-BLG/n–-MCT and p+- BLG/n–-MCT/n+-MCT, operating in long infrared regime. ...
A highly efficient bilayer graphene/ZnO/silicon nanowire based heterojunction photodetector with broadband spectral response

Bansal, Shonak; Prakash, Krishna; Sharma, Kuldeep; Sardana, Neha; Kumar, Sanjeev; Gupta, Neena; Singh, Arun K (2020-09-29)

This paper presents three self-powered photodetectors namely, p+-bilayer graphene (BLG)/n+-ZnO nanowires (NWs), p+-BLG/n+-Si NWs/p–-Si and p+-BLG/n+-ZnO NWs/p–-Si. The Silvaco Atlas TCAD software is utilized to characterize ...

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