Recent advances in mid-infrared photodetection based on colloidal quantum dots: Challenges and possible solutions

R Chang, H Yang, Z Wu, H Shen - Coordination Chemistry Reviews, 2024 - Elsevier
Current mid-wave infrared (MWIR) photodetectors are generally too expensive to be used in
civil scenarios. HgTe colloidal quantum dots (CQDs) are among the most promising …

The Rise of HgTe Colloidal Quantum Dots for Infrared Optoelectronics

KA Sergeeva, H Zhang, AS Portniagin… - Advanced Functional …, 2024 - Wiley Online Library
Among materials produced as colloidal quantum dots (CQDs), HgTe has a special status
being the only material covering the whole infrared range from the visible to the THz (0.7 …

Silver telluride colloidal quantum dot infrared photodetectors and image sensors

Y Wang, L Peng, J Schreier, Y Bi, A Black, A Malla… - Nature …, 2024 - nature.com
Photodetectors that are sensitive in the shortwave-infrared (SWIR) range (1–2 µm) are of
great interest for applications such as machine vision, autonomous driving and three …

[HTML][HTML] Megapixel large-format colloidal quantum-dot infrared imagers with resonant-cavity enhanced photoresponse

Y Luo, Y Tan, C Bi, S Zhang, X Xue, M Chen, Q Hao… - APL Photonics, 2023 - pubs.aip.org
Infrared imaging is extensively explored due to its unique properties of high atmospheric
transmission and temperature-dependent emission. Unfortunately, the current epitaxial …

Mercury telluride colloidal quantum-dot focal plane array with planar pn junctions enabled by in situ electric field–activated doping

T Qin, G Mu, P Zhao, Y Tan, Y Liu, S Zhang, Y Luo… - Science …, 2023 - science.org
Colloidal quantum dot (CQD)–based photodetectors are promising alternatives to bulk
semiconductor-based detectors to be monolithically integrated with complementary metal …

Low dark-current quantum-dot infrared imager

X Xue, Y Luo, Q Hao, J Cao, X Tang, Y Liu… - ACS …, 2023 - ACS Publications
Taking advantage of tunable optical properties and silicon technique compatibility, colloidal
quantum dots (CQDs) provide a simpler process for building infrared focal plane arrays …

In situ mapping of the vectorial electric field within a nanocrystal-based focal plane array using photoemission microscopy

A Khalili, M Cavallo, E Bossavit, R Alchaar… - ACS Applied …, 2023 - ACS Publications
Within a few years, nanocrystal-based infrared devices have achieved significant progress
and advancements, including high-quality imaging systems. This raises the need to develop …

Mapping the energy landscape from a nanocrystal-based field effect transistor under operation using nanobeam photoemission spectroscopy

M Cavallo, E Bossavit, H Zhang, C Dabard… - Nano Letters, 2023 - ACS Publications
As the field of nanocrystal-based optoelectronics matures, more advanced techniques must
be developed in order to reveal the electronic structure of nanocrystals, particularly with …

Roadmap on printable electronic materials for next-generation sensors

V Pecunia, L Petti, J Andrews, R Ollearo… - Nano …, 2024 - iopscience.iop.org
The dissemination of sensors is key to realizing a sustainable,'intelligent'world, where
everyday objects and environments are equipped with sensing capabilities to advance the …

[HTML][HTML] Very long wave infrared quantum dot photodetector up to 18 μm

X Xue, Q Hao, M Chen - Light: Science & Applications, 2024 - nature.com
Colloidal quantum dots (CQDs) are of interest for optoelectronic devices because of the
possibility of high-throughput solution processing and the wide energy gap tunability from …