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Review
Chemistry, Multidisciplinary
Chong Xu et al.
Summary: The triboelectric nanogenerator (TENG) is a new energy technology that relies on the coupling of triboelectrification and electrostatic induction. Direct-current TENGs (DC-TENGs) based on the tribovoltaic effect have emerged to address the issues of low current density and complex management circuits. This review summarizes the development progress and microscopic mechanisms of DC-TENGs, systematically compares the output performances of different devices, and discusses how to improve the output performance through materials, structures, external parameters, and multiple energy harvesting strategies.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Huiyuan Wu et al.
Summary: Charge density is crucial for evaluating the output performance of a TENG. The CE strategy is a preferred method for boosting charge density, but it can lead to air breakdown. Understanding the physical behaviors behind air breakdown is essential for achieving higher charge density using the CE strategy.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Article
Computer Science, Information Systems
Dinh C. Nguyen et al.
Summary: This article explores the emerging opportunities brought by 6G technologies in IoT networks and applications. It sheds light on fundamental 6G technologies and discusses their roles in various prospective IoT applications. The article highlights research challenges and potential directions for further research in this promising area.
IEEE INTERNET OF THINGS JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Xiongxin Luo et al.
Summary: Tribovoltaic nanogenerators (TVNGs) are a new energy harvesting technique with great features. The MS-TVNG, assembled with an MXene layer and a semiconducting silicon wafer, provides high peak current and has wear-resistance and stable output properties.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Zhi Zhang et al.
Summary: This study reports a semiconductor direct-current triboelectric nanogenerator (SDC-TENG) based on the tribovoltaic effect, which is capable of ultrahigh-power generation. By using gallium nitride (GaN) and bismuth telluride (Bi2Te3), this SDC-TENG achieves a peak open-circuit voltage of 40 V and a power density approximately 200 times higher than previous generators.
ADVANCED MATERIALS
(2022)
Article
Engineering, Biomedical
Minqiang Wang et al.
Summary: A wearable electrochemical biosensor has been developed to continuously detect trace levels of multiple metabolites and nutrients in sweat during physical exercise and at rest, providing real-time monitoring and assessment of health risks and nutritional status.
NATURE BIOMEDICAL ENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Wenyan Qiao et al.
Summary: This study proposes an effective strategy of interface lubrication to enhance the direct-current density and lifetime of Tribovoltaic nanogenerators (TVNGs). It also finds that TVNGs can be combined with triboelectric nanogenerators to constitute a dual-type signal sensor for monitoring bridge vibration and goods' weight.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Physical
Zhaozheng Wang et al.
Summary: This study reports a humidity-enhanced silicon-based semiconductor tribovoltaic direct-current nanogenerator, which can achieve high transferred charge and peak power in high-humidity environments. It also analyzes the mechanism of performance improvement and highlights the great potential of this technology in energy harvesting in high-humidity environments.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Multidisciplinary
Jia Meng et al.
Summary: This study investigates the tribovoltaic effect at dynamic semiconductor interfaces and demonstrates durable, flexible, and high-performance direct-current electricity generation through contact-separation motion. The practical and fundamental insights obtained from this study are valuable for tribovoltaic devices.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Review
Chemistry, Multidisciplinary
Weili Deng et al.
Summary: The development of flexible piezoelectric nanogenerators has made significant progress in the past decade and is crucial for future personalized healthcare technologies. These devices offer efficient energy conversion, easy implementation, and self-powering capabilities, enabling innovative healthcare applications in sensing, therapy, and energy harvesting. This article provides a comprehensive review of piezoelectric nanogenerators in personalized healthcare, covering the fundamental physics, material engineering, device design, and various applications in energy harvesting, sensing, and therapeutics. The challenges and opportunities of utilizing these nanogenerators for self-powered bioelectronics and personalized healthcare are also discussed in detail.
CHEMICAL SOCIETY REVIEWS
(2022)
Article
Chemistry, Multidisciplinary
Zhaozheng Wang et al.
Summary: This research proposes a semiconductor DC triboelectric nanogenerator (SDC-TENG) using gallium nitride/silicon (GaN/Si) heterojunction, which has ultrahigh voltage and power density. The SDC-TENG can maintain high output voltage at different speeds, has great durability, and performs significantly better than traditional polymer TENGs.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Review
Materials Science, Multidisciplinary
Wanli Wang et al.
Summary: Nanogenerators, which harvest energy from human body and convert it into electrical energy, have emerged as an ideal solution for self-powering of biomedical devices, accelerating their development in areas such as power supply, smart sensing, and effective treatment. Nanogenerators also exhibit microbial disinfection and biodegradation capabilities, providing multifaceted protection for human health.
Article
Chemistry, Multidisciplinary
Xiankun Zhang et al.
Summary: An effective molecule optimization strategy has been reported to upgrade van der Waals (vdWs) contacts, achieving near-zero Schottky barriers and creating high-performance electronic devices. The strategy induces defect healing effect and enhances hole density in p-type semiconductors, effectively thinning the Schottky barrier width and improving carrier interface transmission efficiency. The optimized contacts demonstrate an ultrathin Schottky barrier width and outstanding contact resistance, leading to an ultrahigh field-effect mobility in WSe2 flakes.
ADVANCED MATERIALS
(2021)
Article
Multidisciplinary Sciences
Pin-Chun Shen et al.
Summary: The article discusses achieving ohmic contact between semimetallic bismuth and semiconducting monolayer transition metal dichalcogenides, suppressing metal-induced gap states and significantly reducing contact resistance. Experimental results demonstrate zero Schottky barrier height and high on-state current density on multilayer MoS2.
Article
Multidisciplinary Sciences
Xuanyu Huang et al.
Summary: The article introduces a microscale generator - the Schottky superlubric generator (S-SLG), which can generate high current and power densities while maintaining stable high electrical current density over a long lifetime. Experimental results demonstrate the enduring and virtually unlimited persistence of the S-SLG.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Physical
Mingli Zheng et al.
Summary: The study investigated the contact electrification process at the liquid-semiconductor interface, revealing the significant role of photoexcited electron-hole pairs in driving the generation of tribo-current. The findings support a "two-step" model for the formation of the electric double layer proposed by Wang.
Review
Chemistry, Physical
Xun Zhao et al.
Summary: The rapid development of 5G technology has propelled the advancement of smart cities, with nanogenerators playing a crucial role in providing sustainable power sources and self-powered sensing systems.
Review
Chemistry, Multidisciplinary
Giorgio Conta et al.
Summary: Current research focuses on developing self-powered IOB therapeutic devices using TENG technology, known for its bioconformability, low cost, simple manufacturability, and self-power capabilities. TENG-induced ES holds promise for novel therapeutic interventions and could pave the way for the development of personalized healthcare systems.
ADVANCED MATERIALS
(2021)
Article
Multidisciplinary Sciences
Hanjun Ryu et al.
Summary: Self-powered implantable devices have the potential to extend device operation time, but current energy harvesters are insufficient and inconvenient. The authors report on a commercial coin battery-sized high-performance inertia-driven triboelectric nanogenerator based on body motion and gravity, which can be used to charge a lithium-ion battery and integrated into a cardiac pacemaker.
NATURE COMMUNICATIONS
(2021)
Article
Multidisciplinary Sciences
Zhihao Zhao et al.
Summary: This study provides a set of rules for selecting triboelectric materials for DC-TENG, with polyvinyl chloride selected as the triboelectric layer, achieving a high effective charge density in microstructure-designed DC-TENG. This work offers a basic guideline for triboelectric materials selection and promotes the practical applications of DC-TENG.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Multidisciplinary
Chunqing Ma et al.
Summary: By studying various perovskite and charge transport layer materials, key rules that affect DC output and performance were identified, including suitable band alignment, work function difference, and carrier concentration. Additionally, it was found that light illumination significantly influenced current output, due to the coupling effect of triboelectric and photovoltaic effects.
ENERGY & ENVIRONMENTAL SCIENCE
(2021)
Article
Chemistry, Physical
Zhi Zhang et al.
ADVANCED ENERGY MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Mingli Zheng et al.
ADVANCED MATERIALS
(2020)
Article
Multidisciplinary Sciences
Zhihao Zhao et al.
NATURE COMMUNICATIONS
(2020)
Article
Multidisciplinary Sciences
Ronan Hinchet et al.
Article
Nanoscience & Nanotechnology
Jun Liu et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
Article
Nanoscience & Nanotechnology
Jun Liu et al.
NATURE NANOTECHNOLOGY
(2018)
Article
Multidisciplinary Sciences
Jiaqing Xiong et al.
NATURE COMMUNICATIONS
(2018)
Article
Robotics
Hengyu Guo et al.
Article
Multidisciplinary Sciences
Jie Wang et al.
NATURE COMMUNICATIONS
(2017)
Review
Chemistry, Multidisciplinary
Hao Wu et al.
ADVANCED MATERIALS
(2016)
Article
Multidisciplinary Sciences
Wei Gao et al.
Article
Chemistry, Physical
Feng-Ru Fan et al.
Article
Nanoscience & Nanotechnology
Sheng Xu et al.
NATURE NANOTECHNOLOGY
(2010)
