Results 11 to 20 of about 4,434,894 (248)

Boosting Cu(In,Ga)Se2 Thin Film Growth in Low-Temperature Rapid-Deposition Processes: An Improved Design for the Single-Heating Knudsen Effusion Cell

open access: yesEngineering, 2021
The Knudsen effusion cell is often used to grow high-quality Cu(In,Ga)Se2 (CIGS) thin film in co-evaporation processes. However, the traditional single-heating Knudsen effusion cell cannot deliver complete metal selenides during the whole deposition ...
Yunxiang Zhang   +7 more
doaj   +1 more source

Perovskite single-crystal thin films: preparation, surface engineering, and application

open access: yesNano Convergence, 2023
Perovskite single-crystal thin films (SCTFs) have emerged as a significant research hotspot in the field of optoelectronic devices owing to their low defect state density, long carrier diffusion length, and high environmental stability.
Zemin Zhang   +3 more
doaj   +1 more source

Self-driving laboratory for accelerated discovery of thin-film materials [PDF]

open access: yesScience Advances, 2019
An autonomous laboratory for thin film discovery is used to optimize the doping and annealing of organic semiconductors. Discovering and optimizing commercially viable materials for clean energy applications typically takes more than a decade.
B. MacLeod   +19 more
semanticscholar   +1 more source

Flexible optoelectronic neural transistors with broadband spectrum sensing and instant electrical processing for multimodal neuromorphic computing

open access: yesSmartMat, 2023
A flexible optoelectronic neural transistor (OENT) that consists of a one‐step spin‐coated tri‐blend film composed of 2,7‐dioctyl[1]benzothieno[3,2‐b][1]benzothiophene (C8‐BTBT), poly(3‐hexylthiophene‐2,5‐diyl) (P3HT), and poly(methyl methacrylate) (PMMA)
Yao Ni   +5 more
doaj   +1 more source

Novel method to reduce the transverse sensitivity of granular thin film strain gauges by modification of strain transfer [PDF]

open access: yesJournal of Sensors and Sensor Systems, 2020
Strain gauges based on polyimide carrier foils and piezoresistive granular thin films are highly sensitive to strain. Unlike conventional metal foil, granular film strain gauges also have a pronounced sensitivity to strain acting in the transverse ...
M. Mathis   +5 more
doaj   +1 more source

Tunable Synaptic Plasticity in Crystallized Conjugated Polymer Nanowire Artificial Synapses

open access: yesAdvanced Intelligent Systems, 2020
In biological synapses, short‐term plasticity is important for computation and signal transmission, whereas long‐term plasticity is essential for memory formation.
Hong Han   +9 more
doaj   +1 more source

Tertiary alkyl halides as growth activator and inhibitor for novel atomic layer deposition of low resistive titanium nitride

open access: yesAIP Advances, 2021
A novel atomic layer deposition (ALD) that utilizes tertiary alkyl (tert-alkyl) halides as both growth activator and inhibitor is introduced and demonstrated for the deposition of a low resistive TiN film using TiCl4 and NH3.
Changbong Yeon   +8 more
doaj   +1 more source

High resolution photovoltaic power generation potential assessments of rooftop in China

open access: yesEnergy Reports, 2022
Rooftop photovoltaic system plays an important role in solar energy power generation especially in urban. In this paper, we present an assessment method for the PV power generation potential of rooftop in China. Using machine learning model processes the
Lichao Wang   +5 more
doaj   +1 more source

A Wearable Flexible Tactile Sensor with Textile Microstructure for Wirelessly Recognizing Human Activity

open access: yesAdvanced Sensor Research, 2023
Flexible tactile sensors have attracted special attention in the detection of human posture and activity. However, achieving multiple stimulus responses is particularly challenging in terms of structural design and has not been fully addressed. Herein, a
Yi Du, Lin Sun, Lu Yang, Wentao Xu
doaj   +1 more source

Big data driven perovskite solar cell stability analysis

open access: yesNature Communications, 2022
During the last decade lead halide perovskites have shown great potential for photovoltaic applications. However, the stability of perovskite solar cells still restricts commercialization, and lack of properly implemented unified stability testing and ...
Zhuang Zhang   +3 more
doaj   +1 more source

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