Fully biodegradable triboelectric nanogenerators based on electrospun polylactic acid and nanostructured gelatin films

Pan, Ruizheng; Xuan, Weipeng; Chen, Jinkai; Su, Dong; Jin, Hao; Wang, Xiaozhi; Li, Honglang; Luo, Jikui

doi:10.1016/j.nanoen.2017.12.048

Cited by 242 publications

(166 citation statements)

References 45 publications

(45 reference statements)

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“…By virtue of genetically optimizing the triboelectric output, RSSP‐TENG obtains unparalleled advantages compared with previous materials reported, especially biomaterials . In order to qualify the electrical output performance of various bio‐materials, the “triboelectric series” are ranked basing on their abilities of gaining or losing electrons (Figure E and Figure S3, Supporting Information) .…”

Section: Comparison Of Various Large‐scale Biomaterial‐based Tengs Asmentioning

confidence: 99%

“Genetically Engineered” Biofunctional Triboelectric Nanogenerators Using Recombinant Spider Silk

et al. 2018

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The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/adma.201805722.Self-powered electronics using triboelectric nanogenerators (TENGs) is drawing increasing efforts and rapid advancements in eco/biocompatible energy harvesting, intelligent sensing, and biomedical applications. Currently, the triboelectric performances are mainly determined by the pair materials' inherent electron affinity difference, and merely tuned by chemical or physical methods, which significantly limit the optional variety and output capability, especially for natural-biomaterial-based TENGs. Herein, a biocompatible triboelectric material with a programmable triboelectric property, multiple functionalization, large-scale-fabrication capability, and transcendent output performance is designed, by genetically engineering recombinant spider silk proteins (RSSP). Featuring totally "green" large-scale manufacturing, the water lithography technique is introduced to the RSSP-TENG with facilely adjustable surface morphology, chemically modifiable surface properties, and controllable protein conformation. By virtue of the high electrical power, a proof-of-principle drug-free RSSP-patch is built, showing outstanding antibacterial performances both in vitro and in vivo. This work provides a novel high-performance biomaterial-based TENG and extends its potential for multifunctional applications.

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Section: Comparison Of Various Large‐scale Biomaterial‐based Tengs Asmentioning

confidence: 99%

“Genetically Engineered” Biofunctional Triboelectric Nanogenerators Using Recombinant Spider Silk

et al. 2018

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“…The constituent materials of TENG (Mg/gelatin and Mg/PLA) are fully degradable in water after 40 days, and the degradation process at various stages are illustrated in Figure h. In terms of mechanical reliability and stability, the output voltage of this TENG decreases slowly from 505 to 468 V after 15 000 cyclic contacts, as shown in Figure i . Moreover, a multifunctional implantable transient triboelectric nanogenerator (T 2 ENG) with real‐time in vivo monitoring and “smart” treatment via controllable drug delivery has also been demonstrated.…”

Section: Power Harvesting Devices Utilize Sources From the Human Bodymentioning

confidence: 94%

“…In addition to flexibility, biodegradability is another important characteristic to be considered for implantable biomedical applications. Demonstrated materials candidates for biodegradable TENGs include silk, poly(lactic) acid (PLA), gelatin, PLGA, poly(3‐hydroxybutyric acid‐ co ‐3‐hydroxyvaleric acid) (PHB/V), PCL, chitosan, and poly(vinyl alcohol) (PVA) as the triboelectric and encapsulations layers; and dissolvable metals, such as Mg, acting as the electrodes …”

Section: Power Harvesting Devices Utilize Sources From the Human Bodymentioning

confidence: 99%

Materials Strategies and Device Architectures of Emerging Power Supply Devices for Implantable Bioelectronics

Huang

Wang

et al. 2019

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Implantable bioelectronics represent an emerging technology that can be integrated into the human body for diagnostic and therapeutic functions. Power supply devices are an essential component of bioelectronics to ensure their robust performance. However, conventional power sources are usually bulky, rigid, and potentially contain hazardous constituent materials. The fact that biological organisms are soft, curvilinear, and have limited accommodation space poses new challenges for power supply systems to minimize the interface mismatch and still offer sufficient power to meet clinical‐grade applications. Here, recent advances in state‐of‐the‐art nonconventional power options for implantable electronics, specifically, miniaturized, flexible, or biodegradable power systems are reviewed. Material strategies and architectural design of a broad array of power devices are discussed, including energy storage systems (batteries and supercapacitors), power devices which harvest sources from the human body (biofuel cells, devices utilizing biopotentials, piezoelectric harvesters, triboelectric devices, and thermoelectric devices), and energy transfer devices which utilize sources in the surrounding environment (ultrasonic energy harvesters, inductive coupling/radiofrequency energy harvesters, and photovoltaic devices). Finally, future challenges and perspectives are given.

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“…[58,[70][71][72][73][74][75] A 9 × 9 sensor array with separated electrodes is developed to achieve real-time detection of contact position, trajectory, velocity, and acceleration of a sliding object. [58,[70][71][72][73][74][75] A 9 × 9 sensor array with separated electrodes is developed to achieve real-time detection of contact position, trajectory, velocity, and acceleration of a sliding object.…”

Section: Introductionmentioning

confidence: 99%

“…[58,[70][71][72][73][74][75] A 9 × 9 sensor array with separated electrodes is developed to achieve real-time detection of contact position, trajectory, velocity, and acceleration of a sliding object. [71] Grid patterns are attached on the surface to convert the continuous finger sliding into periodic contract and separation along the trace. When implementing higher resolution, the number of sensors and electrodes needs to be increased dramatically, introducing significant difficulty in readout circuitry and signal processing.…”

Section: Introductionmentioning

confidence: 99%

Self‐Powered Bio‐Inspired Spider‐Net‐Coding Interface Using Single‐Electrode Triboelectric Nanogenerator

2019

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Human–machine interfaces are essential components between various human and machine interactions such as entertainment, robotics control, smart home, virtual/augmented reality, etc. Recently, various triboelectric‐based interfaces have been developed toward flexible wearable and battery‐less applications. However, most of them exhibit complicated structures and a large number of electrodes for multidirectional control. Herein, a bio‐inspired spider‐net‐coding (BISNC) interface with great flexibility, scalability, and single‐electrode output is proposed, through connecting information‐coding electrodes into a single triboelectric electrode. Two types of coding designs are investigated, i.e., information coding by large/small electrode width (L/S coding) and information coding with/without electrode at a predefined position (0/1 coding). The BISNC interface shows high scalability with a single electrode for detection and/or control of multiple directions, by detecting different output signal patterns. In addition, it also has excellent reliability and robustness in actual usage scenarios, since recognition of signal patterns is in regardless of absolute amplitude and thereby not affected by sliding speed/force, humidity, etc. Based on the spider‐net‐coding concept, single‐electrode interfaces for multidirectional 3D control, security code systems, and flexible wearable electronics are successfully developed, indicating the great potentials of this technology in diversified applications such as human–machine interaction, virtual/augmented reality, security, robotics, Internet of Things, etc.

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Fully biodegradable triboelectric nanogenerators based on electrospun polylactic acid and nanostructured gelatin films

Cited by 242 publications

References 45 publications

“Genetically Engineered” Biofunctional Triboelectric Nanogenerators Using Recombinant Spider Silk

“Genetically Engineered” Biofunctional Triboelectric Nanogenerators Using Recombinant Spider Silk

Materials Strategies and Device Architectures of Emerging Power Supply Devices for Implantable Bioelectronics

Self‐Powered Bio‐Inspired Spider‐Net‐Coding Interface Using Single‐Electrode Triboelectric Nanogenerator

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