Pseudo-bilayer architecture enables high-performance organic solar cells with enhanced exciton diffusion length

Nature Communications, Journal Year: 2021, Volume and Issue: 12(1)

Published: Jan. 20, 2021

Abstract Solution-processed organic solar cells (OSCs) are a promising candidate for next-generation photovoltaic technologies. However, the short exciton diffusion length of bulk heterojunction active layer in OSCs strongly hampers full potential to be realized these OSCs. Herein, we report high-performance with pseudo-bilayer architecture, which possesses longer benefited from higher film crystallinity. This feature ensures synergistic advantages efficient dissociation and charge transport enabling power conversion efficiency (17.42%) achieved compared those architecture (16.44%) due short-circuit current density fill factor. A certified 16.31% is also ternary OSC layer. Our results demonstrate excellent used future applications.

Language: Английский

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Recent Research Progress of Organic Small‐Molecule Semiconductors with High Electron Mobilities

Advanced Materials, Journal Year: 2022, Volume and Issue: 35(11)

Published: Dec. 15, 2022

Organic electronics has made great progress in the past decades, which is inseparable from innovative development of organic electronic devices and diversity semiconductor materials. It worth mentioning that both these advances are inextricably linked to high-performance materials, especially representative n-type small-molecule materials with high electron mobilities. The small molecules have advantages simple synthesis process, strong intermolecular stacking, tunable molecular structure, easy functionalize structures. Furthermore, a remarkable important component for constructing complementary logic circuits p-n heterojunction Therefore, semiconductors play an extremely role field basis industrialization functional devices. This review focuses on modification strategies mobility at level, discusses detail applications field-effect transistors, light-emitting photodetectors, gas sensors.

Language: Английский

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Soft Fiber Electronics Based on Semiconducting Polymer

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(8), P. 4693 - 4763

Published: Feb. 8, 2023

Fibers, originating from nature and mastered by human, have woven their way throughout the entire history of human civilization. Recent developments in semiconducting polymer materials further endowed fibers textiles with various electronic functions, which are attractive applications such as information interfacing, personalized medicine, clean energy. Owing to ability be easily integrated into daily life, soft fiber electronics based on polymers gained popularity recently for wearable implantable applications. Herein, we present a review previous current progress polymer-based electronics, particularly focusing smart-wearable areas. First, provide brief overview viewpoint basic concepts functionality requirements different devices. Then analyze existing associated devices interfaces, healthcare energy conversion storage. The working principle performance summarized. Furthermore, focus fabrication techniques Based continuous one-dimensional yarn, introduce two- three-dimensional fabric fabricating methods. Finally, challenges relevant perspectives potential solutions address related problems.

Language: Английский

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Artificial Neuron Devices

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(23), P. 13796 - 13865

Published: Nov. 17, 2023

Efforts to design devices emulating complex cognitive abilities and response processes of biological systems have long been a coveted goal. Recent advancements in flexible electronics, mirroring human tissue's mechanical properties, hold significant promise. Artificial neuron devices, hinging on artificial synapses, bioinspired sensors, actuators, are meticulously engineered mimic the systems. However, this field is its infancy, requiring substantial groundwork achieve autonomous with intelligent feedback, adaptability, tangible problem-solving capabilities. This review provides comprehensive overview recent devices. It starts fundamental principles synaptic explores sensory systems, integrating synapses sensors replicate all five senses. A systematic presentation nervous follows, designed emulate system functions. The also discusses potential applications outlines existing challenges, offering insights into future prospects. We aim for illuminate burgeoning inspiring further innovation captivating area research.

Language: Английский

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Polyaniline-Based Biological and Chemical Sensors: Sensing Mechanism, Configuration Design, and Perspective

ACS Applied Electronic Materials, Journal Year: 2023, Volume and Issue: 5(2), P. 593 - 611

Published: Jan. 31, 2023

By virtue of its tunable electrical conductivity, remarkable solution processing capability, and great biocompatibility, polyaniline (PANI) has been recognized as an attractive active material for use in biological chemical ("bio/chemical") sensors. This Spotlight article focuses on the structure characteristics PANI-based materials corresponding device-level sensing performance. bio/chemical sensors, such chemi-resistive electrochemical transistor-based are systematically elucidated based device architecture mechanism. The structure–function relationships among PANI doping state, microscopic structure, local crystallinity, their functionalities three types sensors have elaborated. Finally, state-of-the-art progress applications these breakthroughs a broader context outlined from challenges to strategies.

Language: Английский

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Organic Electronics in Biosensing: A Promising Frontier for Medical and Environmental Applications

Biosensors, Journal Year: 2023, Volume and Issue: 13(11), P. 976 - 976

Published: Nov. 7, 2023

The promising field of organic electronics has ushered in a new era biosensing technology, thus offering frontier for applications both medical diagnostics and environmental monitoring. This review paper provides comprehensive overview electronics’ remarkable progress potential applications. It explores the multifaceted aspects materials devices, thereby highlighting their unique advantages, such as flexibility, biocompatibility, low-cost fabrication. delves into diverse range biosensors enabled by electronics, including electrochemical, optical, piezoelectric, thermal sensors, showcasing versatility detecting biomolecules, pathogens, pollutants. Furthermore, integrating wearable devices Internet Things (IoT) ecosystem is discussed, wherein they offer real-time, remote, personalized monitoring solutions. also addresses current challenges future prospects biosensing, emphasizing breakthroughs medicine, sustainability, advancement human health well-being.

Language: Английский

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Organic transistor‐based integrated circuits for future smart life

SmartMat, Journal Year: 2024, Volume and Issue: 5(4)

Published: Jan. 2, 2024

Abstract With the rapid development of advanced technologies in Internet Things era, higher requirements are needed for next‐generation electronic devices. Fortunately, organic thin film transistors (OTFTs) provide an effective solution skin and flexible wearable devices due to their intrinsic features mechanical flexibility, lightweight, simple fabrication process, good biocompatibility. So far considerable efforts have been devoted this research field. This article reviews recent advances various promising state‐of‐the‐art OTFTs as well related integrated circuits with main focuses on: (I) material categories high‐mobility semiconductors both individual circuits; (II) device architectures processing techniques large‐area fabrication; (III) important performance metrics realization digital analog future smart life; (IV) applicable analytical models design flow accelerate circuit design. In addition, emerging challenges OTFT‐based circuits, such transistor uniformity stability also discussed, possible methods solve these problems at levels summarized.

Language: Английский

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Smart biosensors and intelligent devices for salivary biomarker detection

TrAC Trends in Analytical Chemistry, Journal Year: 2021, Volume and Issue: 140, P. 116281 - 116281

Published: March 30, 2021

Language: Английский

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Electrically Conductive Coordination Polymers for Electronic and Optoelectronic Device Applications

The Journal of Physical Chemistry Letters, Journal Year: 2021, Volume and Issue: 12(6), P. 1612 - 1630

Published: Feb. 8, 2021

Electrically conductive coordination polymers (generally known as metal–organic frameworks, MOFs) are a class of crystalline hybrid materials produced by the reasonable self-assembly metal nodes and organic linkers. The unique intriguing combination inorganic components endows with superior optical electrical properties, which have recently aroused much attention in several electronic optoelectronic technological applications. However, there many challenging obstacles issues that need to be addressed this burgeoning field. In Perspective, we first provide fundamental understanding about design strategies better guidance for realizing high conductivities good mobilities polymers. We then examine current established synthetic approaches construct high-quality working samples electrically device integration. This is followed discussion state-of-the-art progress toward preliminary achievements (opto)electronic devices spanning chemiresistive sensors, field-effect transistors, photovoltaics, photodetectors, etc. Finally, conclude Perspective existing hurdles limitations area, along critical directions opportunities future research.

Language: Английский

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Interface Engineering in Organic Electronics: Energy‐Level Alignment and Charge Transport

Small Science, Journal Year: 2020, Volume and Issue: 1(1)

Published: Oct. 2, 2020

Organic light‐emitting diodes (OLEDs) and organic solar cells are new members of trillion‐dollar semiconductor industry. The structure these devices generally consists a stack several layers sandwiched between two electrodes. electronic processes such as the energy‐level alignment at charge transport across interfaces play key role to overall performance devices. Thus, interface physics is important for design engineering Herein, recent progress in reviewed. In addition, basic material semiconductors energy levels, disorder, molecular orientation introduced. Recent theories experiments on heterojunctions then discussed. Case studies applying guiding fabrication ideal also provided.

Language: Английский

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