Results 111 to 120 of about 35,825 (292)

Emerging Device Applications From Strong Light–Matter Interactions in 2D Materials

Advanced Science, EarlyView.
Two‐dimensional semiconductors enable extremely compact optoelectronic devices such as solar cells, sensors, LEDs, and lasers. Their strong light–matter interactions allow efficient light emission, detection, and energy conversion. This review article discusses the recent progress in integrating these materials with optical cavities and nanostructures ...
Janani Archana K, Kumar Shwetabh, Reyas Ali, Ramji Velayutham, Koustav Das, Abhishek Mondal, Prashant Kumar, Surendra B. Anantharaman   +7 more
wiley   +1 more source

Anchoring Cadmium Chalcogenide Quantum Dots (QDs) onto Stable Oxide Semiconductors for QD Sensitized Solar Cells

Bulletin of the Korean Chemical Society, 2007
Anchoring quantum dots (QDs) onto thermodynamically stable, large band gap oxide semiconductors is a very important strategy to enhance their quantum yields for solar energy conversion in both visible and near-IR regions. We describe a general procedure for anchoring a few chalcogenide QDs onto the titanium oxide layer. To anchor the colloidal QDs onto
Lee, HJ, Kim, DY, Yoo, JS, Bang, J, Kim, S, Park, SM   +5 more
openaire   +3 more sources

Analog Signal Summation for Reinforcement Learning via Simultaneous Light–Voltage Modulation in a Synaptic Device

Advanced Science, EarlyView.
To overcome limitations of conventional AI hardware, a light‐voltage dual‐modulating synaptic (LVDS) transistor using an IGZO/InAs quantum dot hybrid structure is proposed. LVDS transistor enables analog summation for Dueling Deep Q‐Networks by independently modulating memory via optical and electrical stimuli.
Dong Gue Roe, Sungjoon Cheon, Seongil Im, Sinil Choi, Meeree Kim, Subeen Kim, Youngjae Yoo, Jeong Won Kim, Hyunsu Ju, Sohee Jeong, Jeong Ho Cho   +10 more
wiley   +1 more source

Chirped InAs/InP quantum dot material platform enabling ultra-broad spectral tuning in external cavity lasers

AIP Advances
We demonstrate a novel ultra-broadband tunable InAs/InP quantum dot (QD) external-cavity laser incorporating a chirped multilayer QD active region.
Hengbo Sun, Lijun Hao, Yong Zhao
doaj   +1 more source

Large‐Scale In Situ Formation Perovskite Quantum Dots/Elastomer Composite for High‐Performance White Light‐Emitting Diodes

Advanced Science, EarlyView.
A solvent‐free, open‐mill shear protocol nucleates 2.6 nm CsPbBr3 QDs uniformly within brominated butyl rubber. The emitters showed 91% PLQY, 1189 ns lifetime, and > 90% retention after 30‐day ambient storage and water immersion, respectively. Board‐to‐board forms 17 × 17 cm2 flexible films for 132% NTSC white LEDs, scintillators, and stretchable ...
Yuxian Su, Shirong Yu, Hao Shen, Dongdong Kang, Beibei Wang, Xuebin Yu, Yongyin Kang   +6 more
wiley   +1 more source

Bandwidth enhancement in SWIR QD photodetectors via interfacial trap suppression using polymer capping layers

Materials & Design
Lead chalcogenide quantum dot (QD) photodetectors have attracted considerable attention due to their high specific detectivity, process compatibility on Si circuitry enabling monolithic integration, adjustable bandgap in short-wavelength infrared (SWIR ...
Junyoung Jin, Tae Hwan Park, Kyeong-Seok Lee, Jaewook Kim, Jongkil Park, Tae-Yeon Seong, Gyu Weon Hwang   +6 more
doaj   +1 more source

Scheme for generation of three-photon entangled W state assisted by cross-Kerr nonlinearity and quantum dot

Scientific Reports, 2019
We represent an optical scheme using cross-Kerr nonlinearities (XKNLs) and quantum dot (QD) within a single-sided optical cavity (QD-cavity system) to generate three-photon entangled W state containing entanglement against loss of one photon of them.
Jino Heo, Changho Hong, Seong-Gon Choi, Jong-Phil Hong   +3 more
doaj   +1 more source

Quantum Dots (QD-Dye Conjugate) are Ideal Candidates for FRET Investigations Using TIRMicroscopy [PDF]

, 2014
Asma Hadi Mohammed
openalex   +1 more source

Electric‐Field Control of Terahertz Response via Spin‐Corner‐Layer Coupling in Altermagnetic Bilayers

Advanced Science, EarlyView.
A spin‐corner‐layer coupling mechanism is proposed in 2D altermagnetic bilayers. Exemplified by NiZrI6, the spin, layer, and topological corner states are simultaneously controlled by an ultralow electric field, enabling active modulation of terahertz absorption, emission, and polarization.
Jianhua Wang, Yilin Han, Shifeng Qian, Zhenxiang Cheng, Wenhong Wang, Zhi‐Ming Yu, Xiaotian Wang   +6 more
wiley   +1 more source

Tailoring Quantum Dot Shell Thickness and Polyethylenimine Interlayers for Optimization of Inverted Quantum Dot Light-Emitting Diodes

Photonics
Quantum dot light-emitting diodes (QLEDs) hold great promise for next-generation display applications owing to their exceptional optical properties and versatile tunability.
Ahmet F. Yazici, Sema Karabel Ocal, Aysenur Bicer, Ramis B. Serin, Rifat Kacar, Esin Ucar, Alper Ulku, Talha Erdem, Evren Mutlugun   +8 more
doaj   +1 more source