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   Articles with "gain" as a keyword



High‐Gain and Tunable Linear Photodetection in 2D Tunneling Heterostructures Through Potential Engineering

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recommendations! Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202411736

Abstract: 2D materials are extensively employed in the fabrication of high‐performance photodetectors owing to their exceptional physical properties. However, most 2D material photodetectors fail to sustain high gain under intense illumination due to the limited intrinsic… read more here.

Keywords: gain; linear photodetection; photodetection tunneling; high gain ... See more keywords
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2D Cu9 S5 /PtS2 /WSe2 Double Heterojunction Bipolar Transistor with High Current Gain.

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recommendations! Published in 2021 at "Advanced materials"

DOI: 10.1002/adma.202106537

Abstract: Bipolar junction transistor (BJT), one important circuit element in the integrated circuits, is now widely used in high-speed computation and communication for its capability of high-power signal amplification. 2D materials and their heterostructures are promising… read more here.

Keywords: heterojunction bipolar; gain; current gain; injection efficiency ... See more keywords

Extended Surface Bands Enabled Lasing Emission and Wavelength Switch from Sulfur Quantum Dots

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recommendations! Published in 2024 at "Advanced Materials"

DOI: 10.1002/adma.202408104

Abstract: The development of a lasing wavelength switch, particularly from a single inorganic gain material, is challenging but highly demanded for advanced photonics. Nonetheless, all current lasing emission of inorganic gain materials arises from band‐edge states,… read more here.

Keywords: gain; surface; wavelength switch; emission ... See more keywords

Matching P‐ and N‐type Organic Electrochemical Transistor Performance Enables a Record High‐gain Complementary Inverter

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recommendations! Published in 2024 at "Advanced Materials"

DOI: 10.1002/adma.202417691

Abstract: The charge transport of channel materials in n‐type organic electrochemical transistors (OECTs) is greatly limited by the adverse effects of electrochemical doping, posing a long‐standing puzzle for the community. Herein, an n‐type conjugated polymer with… read more here.

Keywords: electrochemical doping; organic electrochemical; gain; type ... See more keywords

Simultaneously Enhancing Photoluminescence Quantum Efficiency and Optical Gain of Polyfluorene via Backbone Intercalation of 2,5‐Dimethyl‐1,4‐Phenylene

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recommendations! Published in 2020 at "Advanced Optical Materials"

DOI: 10.1002/adom.202000187

Abstract: Simultaneous enhancement of photoluminescence quantum efficiency (PLQE) and optical gain in semiconducting polymer films is desirable for optically‐ or electrically‐pumped organic solid‐state lasers. In this work, a simple self‐dilution effect is achieved by introducing a… read more here.

Keywords: photoluminescence quantum; quantum efficiency; gain; optical gain ... See more keywords

Optical Gain of Lead Halide Perovskites Measured via the Variable Stripe Length Method: What We Can Learn and How to Avoid Pitfalls

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recommendations! Published in 2021 at "Advanced Optical Materials"

DOI: 10.1002/adom.202001773

Abstract: In the search for novel photonic materials, the recent focus on metal halide perovskites (MHPs) has revealed their promise to become groundbreaking low‐threshold, tunable coherent light sources. An accurate determination of the optical gain coefficient… read more here.

Keywords: variable stripe; methodology; halide perovskites; method ... See more keywords

Quantum‐Dots‐In‐Double‐Perovskite for High‐Gain Short‐Wave Infrared Photodetector

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recommendations! Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202401252

Abstract: Short‐wave infrared (SWIR) photodetectors utilizing quantum dot (QD) material systems, harnessed through the quantum confinement effect to tune the absorption wavelength, offer an attractive avenue for the development of cost‐effective and solution‐processed photodetectors compared to… read more here.

Keywords: photodetector; double perovskite; gain; wave infrared ... See more keywords

A Photoconductor‐Type Position Recognition Mechanism with the Intrinsic High Gain for the Development of Ultra‐Sensitive Light Position Detection

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recommendations! Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202401805

Abstract: Position‐sensitive detectors (PSDs) are widely used in optical inspection applications, such as precise measurement of distance and angle, surface profiling, and motion tracking, etc. The lateral photovoltaic effect is the mechanism employed by most PSDs… read more here.

Keywords: position recognition; gain; recognition mechanism; position ... See more keywords
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Photogating in Low Dimensional Photodetectors

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recommendations! Published in 2017 at "Advanced Science"

DOI: 10.1002/advs.201700323

Abstract: Abstract Low dimensional materials including quantum dots, nanowires, 2D materials, and so forth have attracted increasing research interests for electronic and optoelectronic devices in recent years. Photogating, which is usually observed in photodetectors based on… read more here.

Keywords: gain; low dimensional; photogating low; dimensional photodetectors ... See more keywords

Concurrent Optical Gain Optimization and Electrical Tuning in Novel Oligomer:Polymer Blends with Yellow‐Green Laser Emission

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recommendations! Published in 2019 at "Advanced Science"

DOI: 10.1002/advs.201801455

Abstract: Abstract Electrically pumped organic lasing requires the integration of electrodes contact into the laser cavity in an organic light‐emitting diode (OLED) or organic field effect transistor configuration to enable charge injection. Efficient and balanced carrier… read more here.

Keywords: gain; concurrent optical; gain optimization; optimization electrical ... See more keywords

Thermally Activated Delayed Fluorescent Gain Materials: Harvesting Triplet Excitons for Lasing

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recommendations! Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202200525

Abstract: Thermally activated delayed fluorescent (TADF) materials have attracted increasing attention because of their ability to harvest triplet excitons via a reverse intersystem crossing process. TADF gain materials that can recycle triplet excitons for stimulated emission… read more here.

Keywords: thermally activated; gain; gain materials; triplet excitons ... See more keywords