Results 41 to 50 of about 1,852 (195)

First-principles based simulations of electronic transmission in ReS2/WSe2 and ReS2/MoSe2 type-II vdW heterointerfaces

Scientific Reports, 2021
Electronic transmission in monolayer ReS $$_{2}$$ 2 and ReS $$_{2}$$ 2 based van der Waals (vdW) heterointerfaces are studied here. Since ReS $$_{2}$$ 2 /WSe $$_{2}$$ 2 and ReS $$_{2}$$ 2 /MoSe $$_{2}$$ 2 type-II vdW heterostructures are suitable for ...
Dipankar Saha, Saurabh Lodha
doaj   +1 more source

Thermally Driven Supramolecular Chirality Evolution in Low‐Bandgap Fused‐Ring Conjugated Molecules for High‐Performance NIR Circularly Polarized Light Detection

Advanced Science, EarlyView.
A supramolecular chirality evolution strategy in chiral low‐bandgap fused‐ring conjugated molecules enables high‐performance near‐infrared (NIR) circularly polarized light photodetection. Halogen substitution and thermal annealing induce chiral amplification and hierarchical ordering. Integrated into Schottky barrier vertical transistors, the optimized
Jaeyong Ahn, Kwangmin Kim, Sangwook Lee, Seul Lee, SungHyun Hur, BongSoo Kim, Joon Hak Oh   +6 more
wiley   +1 more source

Picosecond electrical response in graphene/MoTe2 heterojunction with high responsivity in the near infrared region

Fundamental Research, 2022
Understanding the fundamental charge carrier dynamics is of great significance for photodetectors with both high speed and high responsivity. Devices based on two-dimensional (2D) transition metal dichalcogenides can exhibit picosecond photoresponse ...
Zhouxiaosong Zeng, Kai Braun, Cuihuan Ge, Martin Eberle, Chenguang Zhu, Xingxia Sun, Xin Yang, Jiali Yi, Delang Liang, Yufan Wang, Lanyu Huang, Ziyu Luo, Dong Li, Anlian Pan, Xiao Wang   +14 more
doaj   +1 more source

Intrinsic Dual‐Phase Regulated GeSe2 Nanoparticles Triggered by Ball‐Milling Treatment for Photonic Multi‐Valued Logic Circuits

Advanced Science, EarlyView.
We report the solid‐state ball milling, a traditional, reliable, mass‐productive material processing, to prepare the air‐stable and dual‐phase GeSe2‐x nanoparticles with extended photodetection feasibility toward optical‐wavelength regions. We further display photonic multi‐valued logic (MVL) circuit through the employment of a hybrid PMMA/GeSe2‐x ...
An‐Ting Tsai, Chun‐Jen Wang, Pin‐Chao Liao, Chin Shan Lue, Chia‐Nung Kuo, Le Vo Phuong Thuan, Po‐Hsuan Hsiao, Chang‐Hyun Kim, Chia‐Yun Chen   +8 more
wiley   +1 more source

Nanostructures/Graphene/Silicon Junction‐Based High‐Performance Photodetection Systems: Progress, Challenges, and Future Trends

Advanced Materials Interfaces, 2023
Graphene, due to its exceptional optoelectronic characteristics, high charge carrier mobility, wide absorption band, strong light‐matter interactions, and its adjustable nature, has attracted a lot of interest.
Muhammad Aamir Iqbal, Nadia Anwar, Maria Malik, Mohammed Al‐Bahrani, Md. Rasidul Islam, Jeong Ryeol Choi, Phuong V. Pham, Xiaofeng Liu   +7 more
doaj   +1 more source

Systematic Phosphorus‐Driven Structural and Field Engineering of n‐a‐Si:H for Flexible n‐a‐Si:H/Te Near‐Infrared Photodetectors

Advanced Science, EarlyView.
Our research elucidates the systematic evolution of the microstructure and optoelectronic properties of n‐a‐Si:H governed by the phosphine dilution ratio. Optimally phosphorus‐doped n‐a‐Si:H is integrated with Te to form a flexible heterojunction, enabling high‐performance near‐infrared photodetectors.
Kyeong‐jin Hyun, Soo‐Won Choi, Byeongjin Park, Hee‐Won Jang, Jongwon Yoon, Yonghun Kim, Woon Ik Park, Jung‐Dae Kwon   +7 more
wiley   +1 more source

Versatile aza‐BODIPY‐based low‐bandgap conjugated small molecule for light harvesting and near‐infrared photodetection

InfoMat, 2022
The versatile nature of organic conjugated materials renders their flawless integration into a diverse family of optoelectronic devices with light‐harvesting, photodetection, or light‐emitting capabilities.
Gurudutt Bhat, Marcin Kielar, Haixia Rao, Mahnaz D. Gholami, Isabel Mathers, Astrid C. R. Larin, Thomas Flanagan, Enkhtur Erdenebileg, Annalisa Bruno, Amandeep Singh Pannu, Kathryn E. Fairfull‐Smith, Emad L. Izake, Pankaj Sah, Yeng Ming Lam, Ajay K. Pandey, Prashant Sonar   +15 more
doaj   +1 more source

Multispectral UV Imaging on Capacitive CMOS Arrays Enabled by Solution‐Processed Metal‐Oxide Nanoparticles

Advanced Science, EarlyView.
Ultraviolet (UV) imagers are important for a variety of applications but often require dedicated semiconductor process flows. Here, a versatile capacitive CMOS platform is transformed into a visible‐blind, multispectral UV imager through post‐CMOS functionalization with solution‐processed metal‐oxide nanoparticles. The UV‐induced photodielectric effect
Suman Kundu, Tao Shen, Kai Betlem, Murali K. Ghatkesar, Peter G. Steeneken, Frans P. Widdershoven   +5 more
wiley   +1 more source

2D/3D Perovskite Surface Passivation-Enabled High-Detectivity Near-Infrared Photodiodes

Sensors
Due to high responsivity and wide spectral sensitivity, metal halide perovskite photodiodes have a wide range of applications in the fields of visible light and near-infrared photodetection.
Xuefeng Huangfu, Junyu Chen, Gaohui Ge, Jianyu Li, Jiazhen Zhang, Qinhao Lin, Hao Xu, Shu Min Wang   +7 more
doaj   +1 more source

Silicon/2D-material photodetectors: from near-infrared to mid-infrared

Light: Science & Applications, 2021
Two-dimensional materials (2DMs) have been used widely in constructing photodetectors (PDs) because of their advantages in flexible integration and ultrabroad operation wavelength range.
Chaoyue Liu, Jingshu Guo, Laiwen Yu, Jiang Li, Ming Zhang, Huan Li, Yaocheng Shi, Daoxin Dai   +7 more
doaj   +1 more source