Bioinspired Superhydrophobic Triboelectric Materials for Energy Harvesting

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 30, 2024

Abstract Drawing inspiration from nature has served as a crucial driving force behind human progress, enabling groundbreaking advancements and cross‐disciplinary integration through the emulation of biological superhydrophobic phenomena. Bioinspired triboelectric materials stand out among advanced due to their unique hydrophobic properties, exceptional moisture resistance, remarkable electrical performance. However, inherent complexity natural phenomena need for refinement in bioinspired design pose significant challenges development materials. This comprehensive review delves into perspectives theoretical underpinnings, fabrication strategies, cutting‐edge applications. Rooted interaction mechanisms between water molecules materials, importance enhanced properties is elucidated. A systematic overview materials’ construction strategies presented, offering fresh insights application high‐performance nanogenerators (TENGs). Finally, current untapped opportunities are summarized fully unlock potential applications TENGs.

Language: Английский

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Advanced materials for energy harvesting: Exploring the potential of MOFs and MXene membranes in osmotic energy applications

Progress in Materials Science, Journal Year: 2025, Volume and Issue: unknown, P. 101457 - 101457

Published: Feb. 1, 2025

Language: Английский

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Highly Conductive PEDOT:PSS: Ag Nanowire-Based Nanofibers for Transparent Flexible Electronics

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(15), P. 19551 - 19562

Published: April 3, 2024

Highly conductive, transparent, and easily available materials are needed in a wide range of devices, such as sensors, solar cells, touch screens, alternatives to expensive unsustainable indium tin oxide. Herein, electrospinning was employed develop fibers PEDOT:PSS/silver nanowire (AgNW) composites on various substrates, including poly(caprolactone) (PCL), cotton fabric, Kapton. The influence AgNWs, well the applied voltage conductivity fibers, thoroughly investigated. developed showed sheet resistance 7 Ω/sq, 354 S/cm, transmittance value 77%, providing excellent optoelectrical properties. Further, effect bending fibers' electrical properties analyzed. PCL substrate increased slightly from 8 after 1000 cycles. Subsequently, proof concept, nanofibers were evaluated electrode material triboelectric nanogenerator (TENG)-based energy harvester, they observed enhance performance TENG device (78.83 V μA output current, respectively), compared same using copper electrodes. These experiments highlight untapped potential conductive electrospun for flexible transparent electronics.

Language: Английский

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Self‐Powered Multimodal Sensing Using Energy‐Generating Solar Skin for Robotics and Smart Wearables

Advanced Intelligent Systems, Journal Year: 2024, Volume and Issue: 6(7)

Published: April 2, 2024

Wearable electronic devices‐laden systems such as electronic‐skin (e‐Skin) have been explored in recent years to enable advances applications Internet of Things, healthcare, and robotics. The power requirement multitudes devices the e‐Skin is a major hurdle for its wider uptake. Herein, solar cells‐based energy generating presented how outputs cells can be innovatively processed multimodal sensing demonstrated. By reading variations output patterns e‐Skin, present on robotic arm, multiple parameters sensed including object motion, color detection, ambient temperature. With accurate tracking shadow sensing, an moving horizontal vertical directions with respect skin, information obtained velocity acceleration object. In this regard, also seen vision capability. multifunctional energy‐generating shows surplus >1 mW (effective module area 20 cm 2 ) under white light illumination 4,450 lux, which sufficient continuous powering portable low‐powered devices. Finally, we demonstrate application energy‐autonomous hand gestures recognition

Language: Английский

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Fully degradable, transparent, and flexible photodetectors using ZnO nanowires and PEDOT:PSS based nanofibres

npj Flexible Electronics, Journal Year: 2025, Volume and Issue: 9(1)

Published: March 10, 2025

Abstract Transparent light detection devices are attractive for emerging see-through applications such as augmented reality, smart windows and optical communications using fidelity (Li-Fi). Herein, we present flexible transparent photodetectors (PDs) conductive poly(3,4-ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS): Ag nanowires (NWs) based nanofibres zinc oxide (ZnO) NWs on a degradable cellulose acetate (CA) substrate. The electrospun NW-based exhibit sheet resistance of 11 Ω/sq transmittance 79% (at 550 nm wavelength). PDs comprise ZnO NWs, photosensitive materials, bridging the electrode CA developed high responsivity (1.10 ×10 6 A/W) show excellent stability under dynamic exposure to ultraviolet (UV) light, both flat curved surfaces. eco-friendly here can degrade naturally at end life – thus offering an electronic waste-free solution electrodes optoelectronics applications.

Language: Английский

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Silicon Nanoribbon Arrays Based Printed Multifunctional Flexible Photovoltaic Microcells

Advanced Materials Technologies, Journal Year: 2024, Volume and Issue: 9(21)

Published: June 22, 2024

Abstract The photovoltaic devices offer promising eco‐friendly solution for self‐powered flexible electronics. However, their fabrication on substrate is not easy due to mismatches between the requirements of conventional microfabrication and thermal, mechanical features substrates. Herein, direct roll printed nanoscale photoactive electronic layers are presented, which further processed develop ≈315 µm 2 sized miniaturized microcells. Using a set 32 microcells, connected in parallel configuration, indoor light harvesting shown at maximum power density ≈10 µW cm −2 under white LED illumination. Further, dual functionality developed microcells i.e., energy as well wideband photodetection demonstrated. As photo sensors exhibit distinctive responses LED‐UV (365 nm)‐ NIR (850 nm) illumination, with exceptionally high‐speed response (rise time τ Rise = 205 µs fall Fall 2000 µs), peak responsivity 2.48 A W −1 UV zero bias voltage. presented results show potential usage multifunctional wide variety applications such wearable systems health monitoring robotics.

Language: Английский

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Printing semiconductor-based devices and circuits for flexible electronic skin

Applied Physics Reviews, Journal Year: 2024, Volume and Issue: 11(4)

Published: Dec. 1, 2024

Electronic skin (e-skin), capable of sensing a physical or chemical stimulus and triggering suitable response, is critical in applications such as healthcare, wearables, robotics, more. With substantial number types sensors over large area, the low-cost fabrication desirable for e-skin. In this regard, printing electronics attract attention it allow efficient use materials, “maskless” fabrication, low-temperature deposition. Additionally, e-skin real-time calls faster computation communication. However, due to limitations widely used materials (e.g., low mobility) tools poor print resolution), printed has been restricted passive devices low-end until recent years. Such are now being addressed through high-mobility highlighted review article, using vehicle. This paper discusses techniques that high-quality electronic layers inorganic nanostructures, their further processing obtain sensors, energy harvesters, transistors. Specifically, contact printing, transfer direct roll discussed along with working mechanisms influence dynamics. For sake completeness, few examples organic semiconductor-based also included. E-skin presents good case 3D integration flexible electronics, therefore, high-resolution connect various on substrate stack discussed. Finally, major challenges hindering scalability methods commercial uptake potential solutions.

Language: Английский

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Inorganic semiconducting nanostructures-based printed photodetectors

Applied Physics Reviews, Journal Year: 2025, Volume and Issue: 12(1)

Published: March 1, 2025

Optoelectronic devices, such as photodetectors (PDs), are needed in many applications including high-speed optical communications, robotics, healthcare, and biomimetic visual systems, which require detection interaction using light. As a result, wide variety of PDs on planar substrates have been reported various light sensitive materials traditional micro-/nano-fabrication technologies. In recent years, considerable efforts devoted to developing with flexible form factors eco-friendly approaches. These resulted exploration degradable printed electronics resource-efficient route for manufacturing contain end-of-life issues. This paper reviews new advances, particularly focusing based inorganic (e.g., crystalline silicon, compound semiconductors, metal oxides, etc.) semiconductor nanostructures [e.g., Nanowires (NWs), Nanoribbons (NRs), etc.]. The advantages disadvantages bottom-up top-down methods explored realize the wet (solution-processable) dry printing assembly print substrates, discussed along their suitability applications. discussion is supported by comparative analysis terms key performance metrics responsivity, detectivity, ILight/IDark ratio, response speed, external quantum efficiency. comprehensive expected benefit researchers practitioners from academia industry interested field PDs.

Language: Английский

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Site‐Specific Growth and Printing of Nanowires for Resource Efficient Fabrication of Flexible Electronics

Small, Journal Year: 2025, Volume and Issue: unknown

Published: March 17, 2025

Abstract Semiconducting nanowires (NWs) hold great potential for high‐performance flexible electronics. However, using them, to fabricate electronic devices, is a complex process requiring multiple lithography steps address the issues such as one arising from mismatches between temperatures needed NW growth and polymeric substrates can withstand. Herein, facile “design fab” approach presented, which avoids lithography‐based fabrication by implementing device layout at synthesis level itself. This demonstrated synthesizing arrays of ZnO NWs pre‐defined locations, followed their direct printing on custom contact method. The NWs‐based printed nanoscale layers exhibit excellent spatial uniformity (NW length, 18–26 µm) alignment (88–96°). patterned are further processed (e.g., conductive tracks) room temperature develop proof concept UV photodetectors. presented significantly reduces complexity eliminating lithography‐related lays foundation resource‐efficient large‐area

Language: Английский

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A comprehensive understanding on droplets

Advances in Colloid and Interface Science, Journal Year: 2025, Volume and Issue: unknown, P. 103490 - 103490

Published: March 1, 2025

Language: Английский

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