Synergism in Binary Nanocrystals Enables Top-Illuminated HgTe Colloidal Quantum Dot Short-Wave Infrared Imager

B Wang, M Yuan, J Liu, X Zhang, J Liu, J Yang… - Nano Letters, 2024 - ACS Publications
Thanks to their tunable infrared absorption, solution processability, and low fabrication costs,
HgTe colloidal quantum dots (CQDs) are promising for optoelectronic devices. Despite …

Origin and suppression of dark current for high-performance colloidal quantum dot short-wave infrared photodetectors

Y Yan, H Liu, L Bian, Y Dai, B Zhang, S Xue… - Materials …, 2024 - pubs.rsc.org
The development of cost-effective and highly sensitive short-wave infrared (SWIR)
photodetectors is crucial for the expanding applications of SWIR imaging in civilian …

PbS Quantum Dots Ink with Months‐Long Shelf‐Lifetime Enabling Scalable and Efficient Short‐Wavelength Infrared Photodetectors

H Wang, J Pinna, DG Romero, L Di Mario… - Advanced …, 2024 - Wiley Online Library
The phase‐transfer ligand exchange of PbS quantum dots (QDs) has substantially simplified
device fabrication giving hope for future industrial exploitation. However, this technique …

Electrode Engineering of Colloidal Quantum Dot Photodetectors Using a Self-Assembled Island-like LiF Interfacial Layer

Y Wang, H Hu, X Ran, L Chen, M Yu, P Liu, J He… - ACS …, 2024 - ACS Publications
Lead sulfide (PbS) colloidal quantum dot (CQD) photodetectors (PDs) are promising devices
for low-cost, high-performance, and large-area infrared imaging. To achieve commercial …

Self-powered all-quantum dot based broadband photodetectors for color imaging and heart rate monitoring

F Cao, Y Shi, W Zhang, X Liu, X Tang, Z Han… - Journal of Materials …, 2024 - pubs.rsc.org
Self-powered broadband photodetectors (PDs) are crucial in various daily applications.
However, traditional Si-based broadband PDs have limited responses in the infrared and …

Self-assembled Te nanowire thin film/silicon heterostructure for cost-effective and fast photoresponse in near-infrared photodetector

X Wu, S Gao, W Liu, K Huang - Materials Science in Semiconductor …, 2024 - Elsevier
Due to its narrow bandgap and high carrier mobility, tellurium (Te) has tremendous potential
for a variety of optoelectronic applications, especially in near-infrared (NIR) photodetection …

[HTML][HTML] A silicon photonics waveguide-coupled colloidal quantum dot photodiode sensitive beyond 1.6 µm

C Pang, Y Deng, E Kheradmand, LM Hagelsieb… - APL Photonics, 2024 - pubs.aip.org
Silicon photonics faces a persistent challenge in extending photodetection capabilities
beyond the 1.6 µm wavelength range, primarily due to the lack of appropriate epitaxial …

Reducing Dark Current Density of PbS Quantum Dot Short-Wave Infrared Photodetectors by Polymer Buffer Layer Modification

Z Song, T Cao, X Wang, Y Tan, J Wu… - IEEE Electron …, 2024 - ieeexplore.ieee.org
Lead sulfide (PbS) quantum dot (QD) photodetectors have received intensive attention due
to their great potential in short-wave infrared photodetection. The hole transport layer …

Nano-Oxide-Assisted Si/PbS CQD Heterojunction Photodetectors for Broadband Sensing

Z Liu, H Wu, L Zheng, W Zhou, S Zhang… - … on Electron Devices, 2024 - ieeexplore.ieee.org
The integration of Si with PbS colloidal quantum dots (CQDs) in photodetectors (PDs) holds
immense potential for wide-range wavelength detection, cost-effective fabrication, and …

Trap-Assisted Tunneling in PbS Colloidal Quantum Dots Photodetector

Q Yan, W Deng, X Ma, Y Wu, J Li, C You… - … on Electron Devices, 2024 - ieeexplore.ieee.org
Currently, colloidal quantum dots (CQDs) photodetectors have shown significant
advancement in the field of infrared photodetection. However, the immature analysis of dark …