Mercury chalcogenide colloidal quantum dots for infrared photodetection: From synthesis to device applications
Commercial infrared (IR) photodetectors based on epitaxial growth inorganic
semiconductors, eg InGaAs and HgCdTe, suffer from high fabrication cost, poor compatibility …
semiconductors, eg InGaAs and HgCdTe, suffer from high fabrication cost, poor compatibility …
The rise of HgTe colloidal quantum dots for infrared optoelectronics
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 …
being the only material covering the whole infrared range from the visible to the THz (0.7 …
Multiresonant grating to replace transparent conductive oxide electrode for bias selected filtering of infrared photoresponse
Optoelectronic devices rely on conductive layers as electrodes, but they usually introduce
optical losses that are detrimental to the device performances. While the use of transparent …
optical losses that are detrimental to the device performances. While the use of transparent …
Room-temperature 15% efficient mid-infrared HgTe colloidal quantum dot photodiodes
JC Peterson, P Guyot-Sionnest - ACS Applied Materials & …, 2023 - ACS Publications
Mid-infrared HgTe colloidal quantum dot photovoltaic devices previously achieved
background-limited infrared photodetection at cryogenic temperatures but also decreased …
background-limited infrared photodetection at cryogenic temperatures but also decreased …
Obviating ligand exchange preserves the intact surface of HgTe colloidal quantum dots and enhances performance of short wavelength infrared photodetectors
A large volume, scalable synthesis procedure of HgTe quantum dots (QDs) capped initially
with short‐chain conductive ligands ensures ligand exchange‐free and simple device …
with short‐chain conductive ligands ensures ligand exchange‐free and simple device …
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 …
HgTe colloidal quantum dots (CQDs) are promising for optoelectronic devices. Despite …
Recent advances in mid-infrared photodetection based on colloidal quantum dots: Challenges and possible solutions
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 …
civil scenarios. HgTe colloidal quantum dots (CQDs) are among the most promising …
Ultrafast charge carrier dynamics and transport characteristics in HgTe quantum dots
We investigate the charge carrier dynamics in HgTe quantum dots emitting in the second
near-infrared window (1000–2500 nm). To provide a link between fundamental physics and …
near-infrared window (1000–2500 nm). To provide a link between fundamental physics and …
Coupling ferroelectric to colloidal nanocrystals as a generic strategy to engineer the carrier density landscape
The design of infrared nanocrystals‐based (NCs) photodiodes faces a major challenge
related to the identification of barriers with a well‐suited band alignment or strategy to finely …
related to the identification of barriers with a well‐suited band alignment or strategy to finely …
On the Suitable choice of Metal for HgTe Nanocrystal-based Photodiode: to Amalgam or not to Amalgam
HgTe, thanks to its unique spectral tunability in the infrared, is the only material able to cover
near-, short-, and mid-wave infrared. Current best devices rely on electrodes made from …
near-, short-, and mid-wave infrared. Current best devices rely on electrodes made from …