SiO₂-Passivated Si Nanowire/Graphene Photodetector

Li, Zongwen; Li, Zishun; Zhang, Qianqian; Yuexing, Xia; Qin, Chuan; Zhang, Zhi; Tian, Feng; Ma, Yuan; Jian, Chai; Anwar, Muhammad Abid; Malik, Muhammad Arif; Yitao, Ma; Zhao, Yuda; Dan, Yaping; Bodepudi, Srikrishna Chanakya; Liu, Xinfeng; Zheng, Xiaorui; Hu, Huan; Yu, Bin; Xu, Yang

SiO₂-Passivated Si Nanowire/Graphene Photodetector

High responsivity at 1550 nm

Vertical core-shell nanoresonator combines photon confinement and localized field enhancement at the graphene/Si nanowire vdW interface, boosting NIR absorption and avalanche gain.

Li, Zongwen · Li, Zishun · Zhang, Qianqian · Yuexing, Xia · Qin, Chuan · Zhang, Zhi · Tian, Feng · Ma, Yuan · Jian, Chai · Anwar, Muhammad Abid · Malik, Muhammad Arif · Yitao, Ma · Zhao, Yuda · Dan, Yaping · Bodepudi, Srikrishna Chanakya · Liu, Xinfeng · Zheng, Xiaorui · Hu, Huan · Yu, Bin · Xu, Yang

ACS Nano 2025

Specifications

响应度: {'zh': '56.58', 'en': ''} A/W

Advantages

Avalanche gain 2.64 × 10⁴

SiO₂-passivated Si nanowire core-shell structure