Silicon Nanotip CMOS Photosensitive Architecture

High NIR sensitivity

Achieves highly sensitive detection of weak NIR radiation via surface-wave nano-accumulation, integrable with standard CMOS processes.

Liu, Taige · Shi, Jiashuo · Shenghua, Duan · Zhe, Wang · Zhang, Xinyu

Applied Physics Letters 2023

Specifications

Stable normalized detectivity

{'zh': '~3.25×10¹⁰', 'en': '~3.25×10¹⁰'} cm·Hz¹/²·W⁻¹

Maximum normalized detectivity

{'zh': '~4.86×10¹¹', 'en': '~4.86×10¹¹'} cm·Hz¹/²·W⁻¹

Advantages

Imaging grayscale correlated with incident radiation level