Results 191 to 200 of about 12,931 (263)

An Ultrahigh‐Contrast Violet Phosphorus Van der Waals Phototransistor

Advanced Optical Materials, 2023
Ultrahigh‐contrast photodetection with low background noise is of critical importance for accurate image‐sensing in deep‐sea and deep‐space exploration.
Weilin Chen, Ruan Zhang, Mengyue Gu, Lihui Zhang, Binghe Xie, Zhe Yu, An Chen, Jinjin Li, Shuzhi Liu, Pingqi Gao, Jinying Zhang, Xinghan Cai, Gang Liu   +12 more
semanticscholar   +1 more source

Demonstration of AlGaN/GaN-based ultraviolet phototransistor with a record high responsivity over 3.6 × 107 A/W

Applied Physics Letters, 2021
In this work, we demonstrate a high-performance ultraviolet phototransistor (UVPT) based on the AlGaN/GaN high-electron mobility transistor (HEMT) configuration.
Haochen Zhang, F. Liang, K. Song, Chong Xing, Danhao Wang, Huabin Yu, Chen Huang, Yue Sun, Lei Yang, Xiaolong Zhao, Haiding Sun, Shibing Long   +11 more
semanticscholar   +1 more source

Nonvolatile van der Waals Heterostructure Phototransistor for Encrypted Optoelectronic Logic Circuit.

ACS Nano, 2022
With the rising demand for information security, there has been a surge of interest in harnessing the intrinsic physical properties of device for designing a secure logic circuit.
Shuang Wang, X. Pan, Lingyuan Lyu, Chen-Yu Wang, Pengfei Wang, Chen Pan, Yuekun Yang, Cong Wang, Jing Shi, Bin Cheng, Wentao Yu, S. Liang, Feng Miao   +12 more
semanticscholar   +1 more source

One‐Phototransistor–One‐Memristor Array with High‐Linearity Light‐Tunable Weight for Optic Neuromorphic Computing

Advances in Materials, 2022
The recent advances in optic neuromorphic devices have led to a subsequent rise in use for construction of energy‐efficient artificial‐vision systems. The widespread use can be attributed to their ability to capture, store, and process visual information
By Bingjie Dang, Keqin Liu, Xulei Wu, Zhen Yang, Liying Xu, Yuchao Yang, Ru Huang   +6 more
semanticscholar   +1 more source

2D SiP2/h-BN for a Gate-Controlled Phototransistor with Ultrahigh Sensitivity.

ACS Applied Materials and Interfaces, 2023
Two-dimensional (2D) materials are extremely attractive for the construction of highly sensitive photodetectors due to their unique electronic and optical properties.
Ziming Wang, Limei Wei, Shilei Wang, Tiange Wu, Lanjing Sun, Chao Ma, X. Tao, Shanpeng Wang   +7 more
semanticscholar   +1 more source

High‐Performance Synaptic Phototransistor Using A Photoactive Self‐Assembled Layer toward Ultralow Energy Consumption

Advanced Optical Materials, 2023
Artificial synapses have gained great interest in the past few years because of their importance in deep learning and image recognition. To fulfill device miniaturization and reduce the energy consumption of device operation, a series of silane‐based ...
Ya‐Shuan Wu, Ai‐Chun Chang, Wei-Cheng Chen, Ender Ercan, Yi‐Hsun Weng, Bi‐Hsuan Lin, Cheng-Liang Liu, Yan‐Cheng Lin, Wen‐Chang Chen   +8 more
semanticscholar   +1 more source

Analysis of SiC NPN Ultraviolet Phototransistor Under Ultrahigh Temperature

IEEE Transactions on Electron Devices, 2023
Silicon carbide (SiC) ultraviolet (UV) phototransistors with normal operation up to 550 °C were fabricated and analyzed in this article. Under 280 nm UV illumination, the responsivity has reached 0.016 and 0.13 A/W at room temperature (RT) and 400 °C ...
Chenyue Sun, Hui Guo, Lei Yuan, Xiaoyan Tang, Yimeng Zhang, Qingwen Song, Yuming Zhang   +6 more
semanticscholar   +1 more source

High-Performance Diamond Phototransistor with Gate Controllable Gain and Speed.

Journal of Physical Chemistry Letters, 2023
This paper presents a fabricated solar-blind phototransistor based on hydrogen-terminated diamond. The phototransistor shows a large photocurrent and enhancement of responsivity over conventional two-terminal diamond-based photodetector.
Lei Ge, Bin Li, Guo Li, Xiwei Wang, K. Cheong, Yan Peng, Jisheng Han, Shuqiang Li, Yingxin Cui, Yuechen Zhong, Peng Cui, Dufu Wang, Mingsheng Xu, Xiangang Xu   +13 more
semanticscholar   +1 more source

Dual-Mode Learning of Ambipolar Synaptic Phototransistor Based on 2D Perovskite/Organic Heterojunction for Flexible Color Recognizable Visual System.

Small, 2021
Artificial intelligence vision systems (AIVSs) with information sensing, processing, and storage functions are increasingly gaining attention in the science and technology community.
Xin Huang, Qingyuan Li, Wei Shi, Kai Liu, Yunpeng Zhang, Yanwei Liu, Xiaofang Wei, Zhiyuan Zhao, Yunlong Guo, Yunqi Liu   +9 more
semanticscholar   +1 more source

Rational Design of WSe2/WS2/WSe2 Dual Junction Phototransistor Incorporating High Responsivity and Detectivity

Small Methods, 2022
The excellent semiconducting properties and ultrathin morphological characteristics allow van der Waals (vdW) heterostructures based on 2D materials to be promising channel materials for the next‐generation optoelectronic devices, especially in ...
Zhongtong Luo, Mengmeng Yang, Dongsi Wu, Ziwen Huang, Wei Gao, Menglong Zhang, Yuchen Zhou, Yu Zhao, Zhaoqiang Zheng, Jingbo Li   +9 more
semanticscholar   +1 more source