Bias-selected full Red/Green/Blue color sensing and imaging based on inversely stacked radial PINIP junctions

Seeking an ultra-compact new architecture or strategy to achieve filter-less Red/Green/Blue (RGB) color sensing is critical for developing a wide range of high-resolution, low-cost and flexible color discrimination and imaging applications. In this work, a new inversely stacked biomimetic radial jun...

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Veröffentlicht in:Nano futures 2020-09, Vol.4 (3), p.35007
Hauptverfasser: Zhang, Ting, Cao, Luyao, Zhang, Shaobo, Liu, Zongguang, Wang, Junzhuan, Shi, Yi, Xu, Jun, Chen, Kunji, Yu, Linwei
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Sprache:eng
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Zusammenfassung:Seeking an ultra-compact new architecture or strategy to achieve filter-less Red/Green/Blue (RGB) color sensing is critical for developing a wide range of high-resolution, low-cost and flexible color discrimination and imaging applications. In this work, a new inversely stacked biomimetic radial junction (RJ) PINIP photodetector, comprising of coaxial multilayers of intrinsic and doped hydrogenated amorphous Si (a-Si:H) thin films coated over silicon nanowires (SiNWs), is demonstrated, which can accomplish bias-selected and tunable spectrum responses to the R, G and B color bands, mimicking the response mechanism in human eyes. Compared to the Bayer matrix sensors, the width of a fundamental RJ-PINIP sensing unit is reduced from ∼3 μm to
ISSN:2399-1984
2399-1984
DOI:10.1088/2399-1984/ab92f3