DataVXACS Applied Materials & InterfacesPaper
journal article·2024-11-20

Automatic Obstacle Avoidance Trolley System Based on Two-Dimensional ReS2/WSe2 Heterojunction Photodetector

Zhiyuan Liu, Haiyi Liu, Menglong Zhang, Lixiang Han, Nengjie Huo, Zhaoqiang Zheng, Wei Gao, Jingbo Li, Mengmeng Yang

ACS Applied Materials & Interfaces· Volume 16· Issue 46
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Source abstract

Abstract

With the continuous advancement of intelligent vehicle technology, automatic obstacle avoidance (AOA) has become a crucial component of in-vehicle systems. This study introduces an AOA trolley system based on ReS 2 /WSe 2 heterojunction photodetectors. The device with type-II band alignment exhibits an impressive on/off current ratio of 7.14 × 10 4, along with a rapid impulse response time of 32.3/24.4 μs, a detectivity of 2.0 × 10 13 Jones, and an anisotropic ratio of 4.2 under 532 nm illumination. Additionally, the device is electrically tunable under an appropriate gate bias. These characteristics are ascribed to the engineering of the heterojunction interface between ReS 2 and WSe 2 . Furthermore, this device was successfully integrated into an AOA system for autonomous vehicles. The system utilizes the high sensitivity and fast response features of two-dimensional materials, allowing it to effectively identify and avoid obstacles in real time, thereby enhancing driving safety.
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: 2D Materials and Applications · Gas Sensing Nanomaterials and Sensors · Perovskite Materials and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Electronic Science and Engineering, Guangdong Provincial Key Laboratory of Chip and Integration Technology, South China Normal University, Foshan 528225, P.R. China

College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, P.R. China

Zhejiang Xinke Semiconductor Co., Ltd., Hangzhou 311400, P.R. China

Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510006, P.R. China

Funding

Basic and Applied Basic Research Foundation of Guangdong Province · Guangdong Provincial Pearl River Talents Program · Guangzhou Municipal Science and Technology Program key projects · National Natural Science Foundation of China

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