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学者姓名：林金堂
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Abstract ：
Effective utilization of natural slight vibration with small movement speed is beneficial to development of energy harvest technology for solving energy problems. However, obtaining high current output when harvesting mechanical energy with ultralow vibration speed is difficult. Here, inspired by stomatopod (mantis) shrimp that has the ability to release pre-stored energy in a rapid action for generating an extremely fast strike, we propose an integrate-and-fire triboelectric (IF-TENG) to realize speed amplification. In this device, input mechanical energy from ultralow-speed vibrations can be firstly integrated, and then be instantaneously released in full when reaching a threshold. Thus, charged friction layers of the TENG can move at a high speed, leading to a relatively high output current. In addition to the speed amplification, the IF-TENG can stabilize the output current at different vibration speeds. Furthermore, we demonstrate that the idea of IF component could be introduced to both vertical contact-separation and lateral-sliding mode TENG for output performance enhancement, which supplies an efficient way for converting ultralow-speed vibration into electricity.
Keyword ：
High output current High output current Integrate-and-fire Integrate-and-fire Low-speed vibrations Low-speed vibrations Speed amplification Speed amplification Triboelectric nanogenerators Triboelectric nanogenerators
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| GB/T 7714 | Xu, Zhongwei , Li, Dianlun , Wang, Kun et al. Stomatopod-inspired integrate-and-fire triboelectric nanogenerator for harvesting mechanical energy with ultralow vibration speed [J]. | APPLIED ENERGY , 2022 , 312 . |
| MLA | Xu, Zhongwei et al. "Stomatopod-inspired integrate-and-fire triboelectric nanogenerator for harvesting mechanical energy with ultralow vibration speed" . | APPLIED ENERGY 312 (2022) . |
| APA | Xu, Zhongwei , Li, Dianlun , Wang, Kun , Liu, Ye , Wang, Jiaxin , Qiu, Zhirong et al. Stomatopod-inspired integrate-and-fire triboelectric nanogenerator for harvesting mechanical energy with ultralow vibration speed . | APPLIED ENERGY , 2022 , 312 . |
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ZnSe/ZnS core/shell quantum dots (QDs) are environmental-friendly blue light-emitting material, which can easily achieve deep blue emission upon external excitation. However, its deep valence band (VB) and numerous defect states remain handicap to realize sufficient performance of quantum dot light-emitting diodes (QLEDs). In this work, high-performance cadmium-free ZnSe/ZnS QLEDs by constructing a double organic hole-transport layer (HTL) to obtain carrier balance are presented. The double HTLs, which consist of poly(9,9-dioctylfluorene-co-N-(4-butylphenyl)diphenylamine) (TFB) and 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT), can suppress the accumulation of electrons between the HTL and the emissive layer (EML), leading to more hole and electron recombination luminescence in QD layer. In addition, the C8-BTBT layer is conducive to improve the uniformity of QDs film. Thus, the resulting device achieves an external quantum efficiency of 7.23% with TFB/C8-BTBT double HTLs, which is almost 150% higher than that of traditional devices based on a single hole-transport layer (4.84%). The authors anticipate that these results can provide a guidance for the optimization of cadmium-free blue QLEDs.
Keyword ：
C8-BTBT C8-BTBT quantum dot light-emitting diodes (QLEDs) quantum dot light-emitting diodes (QLEDs) quantum dots quantum dots stepwise co-HTLs stepwise co-HTLs
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| GB/T 7714 | Luo, Zhiqi , Yu, Yongshen , Yang, Kaiyu et al. High-Performance Cadmium-Free Blue Quantum Dot Light-Emitting Devices with Stepwise Double Hole-Transport Layers [J]. | ADVANCED ELECTRONIC MATERIALS , 2022 . |
| MLA | Luo, Zhiqi et al. "High-Performance Cadmium-Free Blue Quantum Dot Light-Emitting Devices with Stepwise Double Hole-Transport Layers" . | ADVANCED ELECTRONIC MATERIALS (2022) . |
| APA | Luo, Zhiqi , Yu, Yongshen , Yang, Kaiyu , Lin, Lihua , Lin, Jintang , Guo, Tailiang et al. High-Performance Cadmium-Free Blue Quantum Dot Light-Emitting Devices with Stepwise Double Hole-Transport Layers . | ADVANCED ELECTRONIC MATERIALS , 2022 . |
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The emerging triboelectric nanogenerator (TENG) technology has reignited research interests in the well-known triboelectrification. Understanding triboelectrification in different humidity conditions has become essential because the relative humidity is a key factor that influences triboelectricity and the output of TENGs. This study uses a capsule TENG as the experimental platform to investigate the effect of different relative humidity (RH) conditions on the triboelectrification of material pairs commonly used in TENGs. Different from the traditional cognition that the number of triboelectric charges decreases with increasing relative humidity, we find that the commonly used triboelectric material pair has its own unique, optimal, relative humidity. The electric output increases with increasing RH and then decreases as the RH reaches and passes an optimal value. The working mechanism related to the formation of water bridges that leading to the enhanced triboelectrification is discussed. Moreover, we find that the exact optimal RH are existed for commonly used triboelectric material pairs. A data table showing the optimal RH for those commonly used material pairs is provided. We find that most of the optimal RH values are concentrated in a small RH range (28-35%), even though a few material pairs have larger optimal RH values (53%). This study presents new insight into the effect of relative humidity on the performance of TENGs and provides a relatively complete set of data on the optimal RH for commonly used material pairs, which may become a critical reference for those designing working conditions for TENGs.
Keyword ：
Relative humidity Relative humidity Surface roughness Surface roughness Triboelectrification enhancement Triboelectrification enhancement Water drop growth dynamics Water drop growth dynamics
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| GB/T 7714 | Wang, Kun , Qiu, Zhirong , Wang, Jiaxin et al. Effect of relative humidity on the enhancement of the triboelectrification efficiency utilizing water bridges between triboelectric materials [J]. | NANO ENERGY , 2022 , 93 . |
| MLA | Wang, Kun et al. "Effect of relative humidity on the enhancement of the triboelectrification efficiency utilizing water bridges between triboelectric materials" . | NANO ENERGY 93 (2022) . |
| APA | Wang, Kun , Qiu, Zhirong , Wang, Jiaxin , Liu, Ye , Chen, Rong , An, Haoqun et al. Effect of relative humidity on the enhancement of the triboelectrification efficiency utilizing water bridges between triboelectric materials . | NANO ENERGY , 2022 , 93 . |
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Surface optimization of tribomaterial is an effective approach for enhancing the output performance of triboelectric nanogenerators (TENGs). Developing advanced surface structures and their mass fabrication method is the essential technology component of TENG-based electronics. Herein, a facile, scalable synthesis of hierarchical structure polydimethylsiloxane (HS-PDMS) films with micro-/nanosurface morphology and their application in TENGS are demonstrated. The micromorphology of the PDMS surface with random microcraters is achieved using water droplet-based microtemplates and their rapid evaporation approach. Simultaneously, the nanomorphology on the microcrater surface with nanoripples is automatically formed under the action of surface tension of the PDMS film. The effect of water droplet mass fraction and the rate of heating, which play key roles in the surface morphology and the device's electrical output control, are investigated. This fabrication method of HS-PDMS is simple and scalable, providing a promising solution of developing tribomaterial for practical TENG-based electronic devices.
Keyword ：
hierarchical structures hierarchical structures polydimethylsiloxane polydimethylsiloxane surface modifications surface modifications triboelectric nanogenerators triboelectric nanogenerators
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| GB/T 7714 | Wang, Jiaxin , Wang, Kun , Qiu, Zhirong et al. One-Step Synthesis of Hierarchical Structure Polydimethylsiloxane Films with Micro-/Nanosurfaces for Application in Triboelectric Nanogenerators [J]. | ENERGY TECHNOLOGY , 2021 , 9 (12) . |
| MLA | Wang, Jiaxin et al. "One-Step Synthesis of Hierarchical Structure Polydimethylsiloxane Films with Micro-/Nanosurfaces for Application in Triboelectric Nanogenerators" . | ENERGY TECHNOLOGY 9 . 12 (2021) . |
| APA | Wang, Jiaxin , Wang, Kun , Qiu, Zhirong , Liu, Ye , Chen, Rong , Wu, Chaoxing et al. One-Step Synthesis of Hierarchical Structure Polydimethylsiloxane Films with Micro-/Nanosurfaces for Application in Triboelectric Nanogenerators . | ENERGY TECHNOLOGY , 2021 , 9 (12) . |
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采用化学液相沉积(CLD)法在氧化铟锡(ITO)导电玻璃和硅基板表面制备了大面积的氧化铝(Al2O3)薄膜,并以非腐蚀的方式在硅片表面使用CLD法直接生长图案化Al2O3薄膜.Al2O3薄膜的表面均匀、连续,生长2h后膜厚度约为20～30 nm.薄膜的电绝缘性能良好,平均击穿场强达到1.74 MV/cm,可以用作半导体器件的绝缘层.进一步将CLD法制备的Al2O3薄膜用作摩擦电纳米发电机(TENG)中的电子阻挡层,其开路电压和短路电流约为120 V和5μA,分别是不合Al2O3 TENG的1.6倍和2倍.该薄膜不受摩擦层磨损的影响,可以有效地改善TENG性能.结果 表明,CLD法可作为一种在室温下、低成本、无毒且简便的新方法,用于半导体器件中绝缘或钝化薄膜的制备.
Keyword ：
化学液相沉积(CLD) 化学液相沉积(CLD) 半导体器件 半导体器件 摩擦纳米发电机(TENG) 摩擦纳米发电机(TENG) 氧化铝(Al2O3) 氧化铝(Al2O3) 绝缘薄膜 绝缘薄膜
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| GB/T 7714 | 阮璐 , 李典伦 , 吴朝兴 et al. 化学液相沉积制备氧化铝薄膜及在TENG中的应用 [J]. | 半导体技术 , 2020 , 45 (4) : 304-311 . |
| MLA | 阮璐 et al. "化学液相沉积制备氧化铝薄膜及在TENG中的应用" . | 半导体技术 45 . 4 (2020) : 304-311 . |
| APA | 阮璐 , 李典伦 , 吴朝兴 , 严子雯 , 陈桂雄 , 林金堂 et al. 化学液相沉积制备氧化铝薄膜及在TENG中的应用 . | 半导体技术 , 2020 , 45 (4) , 304-311 . |
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In recent years, metal halide perovskites have become new promising materials in the field of optoelectronic applications due to the advantages of high optical absorption coefficient, high color purity, wide color gamut, continuously adjustable luminescence wavelength, high photoluminescence quantum yield, large carrier diffusion length, stable ingredients and not easy to decompose, and have excellent performance in solar cells, light-emitting diodes, memristors, lasers, photodetectors and anti-counterfeiting labels. Furthermore, perovskites can be made by simple methods like solution synthesis, which provides the possibility of combining it with the printing process, large-scale production and industrialization. In this experiment, solution-processed CsPbBr3 perovskite films grown in situ have a preferred orientation on the (100) crystal plane, and its interplanar spacing is smaller than the value from PDF standard card. As the concentration of precursor increases, the morphological structure of samples varied, continuity and compactness of films were improved, crystal grains were refined, the photoluminescence(PL) intensity excited by light at 375 nm was approximately 5 times original, the PL peak position blue shifted by 6 nm, and the lattice distortion caused by this process increased the full width at half maximum(FWHM) of the PL spectrum by more than 2 nm. © 2020, Science Press. All right reserved.
Keyword ：
Blue shift Blue shift Bromine compounds Bromine compounds Cesium compounds Cesium compounds Crystal orientation Crystal orientation Crystals Crystals Lead compounds Lead compounds Light Light Light absorption Light absorption Metal halides Metal halides Perovskite Perovskite Photoluminescence Photoluminescence
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| GB/T 7714 | Zheng, Yue-Ting , Zheng, Xin , Hu, Hai-Long et al. Microstructure and Luminescence Characteristics of CsPbBr3 Perovskite Films by Solution Process [J]. | Chinese Journal of Luminescence , 2020 , 41 (7) : 775-781 . |
| MLA | Zheng, Yue-Ting et al. "Microstructure and Luminescence Characteristics of CsPbBr3 Perovskite Films by Solution Process" . | Chinese Journal of Luminescence 41 . 7 (2020) : 775-781 . |
| APA | Zheng, Yue-Ting , Zheng, Xin , Hu, Hai-Long , Guo, Tai-Liang , Lin, Jin-Tang , Li, Fu-Shan . Microstructure and Luminescence Characteristics of CsPbBr3 Perovskite Films by Solution Process . | Chinese Journal of Luminescence , 2020 , 41 (7) , 775-781 . |
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As a promising advanced computation technology, the integration of digital computation with neuromorphic computation into a single physical platform holds the advantage of a precise, deterministic, fast data process as well as the advantage of a flexible, paralleled, fault-tolerant data process. Even though two-terminal memristive devices have been respectively proved as leading electronic elements for digital computation and neuromorphic computation, it is difficult to steadily maintain both sudden-state-change and gradual-state-change in a single device due to the entirely different operating mechanisms. In this work, we developed a digital-analog compatible memristive device, namely, binary electronic synapse, through realizing controllable cation drift in a memristive layer. The devices feature nonvolatile binary memory as well as artificial neuromorphic plasticity with high operation endurance. With strong nonlinearity in switching dynamics, binary switching, neuromorphic plasticity, two-dimension information store, and trainable memory can be implemented by a single device.
Keyword ：
binary electronic synapse binary electronic synapse cation drift cation drift digital computation digital computation memristive device memristive device neuromorphic computation neuromorphic computation
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| GB/T 7714 | Wu, Chaoxing , Zhang, Yongai , Zhou, Xiongtu et al. Binary Electronic Synapses for Integrating Digital and Neuromorphic Computation in a Single Physical Platform [J]. | ACS APPLIED MATERIALS & INTERFACES , 2020 , 12 (14) : 17130-17138 . |
| MLA | Wu, Chaoxing et al. "Binary Electronic Synapses for Integrating Digital and Neuromorphic Computation in a Single Physical Platform" . | ACS APPLIED MATERIALS & INTERFACES 12 . 14 (2020) : 17130-17138 . |
| APA | Wu, Chaoxing , Zhang, Yongai , Zhou, Xiongtu , Li, Dianlun , Park, Jae Hyeon , An, Haoqun et al. Binary Electronic Synapses for Integrating Digital and Neuromorphic Computation in a Single Physical Platform . | ACS APPLIED MATERIALS & INTERFACES , 2020 , 12 (14) , 17130-17138 . |
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针对基于GAN网络的MO-GAAL(多目标生成对抗主动学习)算法鉴别器判别效果不稳定和模型鲁棒性问题,提出了改进算法RMOGAAL.该算法在MO-GAAL算法基础上引入了多个鉴别器,并借助集成学习中Bagging(自助聚合法)思想对真实数据进行随机采样,利用采样数据分别对引入的多个鉴别器进行训练,再通过训练结果对生成器进行调优,使生成器能够生成更接近判定边界的异常值,同时生成器优化促使鉴别器鉴别结果更加准确与稳定.生成器与鉴别器的交替优化,提高了整个模型的鲁棒性.实验结果表明,RMOGAAL算法不仅优于常用异常检测算法,并且较MO-GAAL算法相比有更高的性能.
Keyword ：
Bagging Bagging GAN GAN MO-GAAL MO-GAAL 异常检测 异常检测 集成学习 集成学习
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| GB/T 7714 | 余广民 , 林金堂 , 姚剑敏 et al. 基于GAN网络的异常检测算法研究 [J]. | 广播电视网络 , 2020 , (4) : 101-107 . |
| MLA | 余广民 et al. "基于GAN网络的异常检测算法研究" . | 广播电视网络 4 (2020) : 101-107 . |
| APA | 余广民 , 林金堂 , 姚剑敏 , 严群 , 林志贤 . 基于GAN网络的异常检测算法研究 . | 广播电视网络 , 2020 , (4) , 101-107 . |
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近年来,金属卤化物钙钛矿以其光吸收系数高、色纯度高、色域广、发光波长连续可调、光致发光量子产率高、载流子扩散长度大和成分稳定不易分解等优点,成为光电子应用领域极具潜力的新材料,其在太阳能电池、发光二极管、忆阻器、激光器、光电探测器和防伪标签等方面均有出色的表现,并且可通过简单的全溶液法制备,为印刷工艺的结合、大尺寸生产和产业化提供了可能。实验采用一步溶液法制备了原位生长的溴化铅铯钙钛矿薄膜,其在(100)晶面有择优取向,且相应的晶面间距小于PDF标准卡片值。通过增大前驱液的浓度,使样品的形貌结构产生差异,薄膜的连续性和致密性随之提高,晶粒得到细化,在375 nm激发光下的光致发光(PL)强度得到约5倍的提升,且PL峰位蓝移6 nm,同时该过程导致的晶格畸变使其PL光谱半高宽(FWHM)增大超过2 nm。
Keyword ：
前驱液浓度 前驱液浓度 原位生长 原位生长 发光特性 发光特性 结构特性 结构特性 钙钛矿 钙钛矿
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| GB/T 7714 | 郑悦婷 , 郑鑫 , 胡海龙 et al. 溶液法制备CsPbBr钙钛矿薄膜微观结构控制与发光特性 [J]. | 发光学报 , 2020 , 41 (7) : 775-781 . |
| MLA | 郑悦婷 et al. "溶液法制备CsPbBr钙钛矿薄膜微观结构控制与发光特性" . | 发光学报 41 . 7 (2020) : 775-781 . |
| APA | 郑悦婷 , 郑鑫 , 胡海龙 , 郭太良 , 林金堂 , 李福山 . 溶液法制备CsPbBr钙钛矿薄膜微观结构控制与发光特性 . | 发光学报 , 2020 , 41 (7) , 775-781 . |
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以铜、聚氯乙烯作为正、负摩擦材料制备基于独立层工作模式的胶囊型摩擦纳米发电机,实现周期性外力作用下电能的输出。设计制备湿度可控测试系统,研究湿度对摩擦纳米发电机输出性能的影响,通过优化摩擦纳米发电机工作环境湿度增强器件电能输出。实验表明:工作环境湿度可以显著影响摩擦纳米发电机的输出性能,随着相对湿度从10%提高到33%时,铜/聚氯乙烯基摩擦纳米发电机输出开路电压、短路电流、转移电荷随相对湿度的增大单调上升;当相对湿度为33%时,摩擦纳米发电机的输出开路电压、短路电流、转移电荷分别达到287 V、8.2μA、315 nC,分别是相对湿度为10%情况下输出的8.1倍、9.3倍、8.1倍;当相对湿度...
Keyword ：
摩擦纳米发电机 摩擦纳米发电机 湿度 湿度 独立层模式 独立层模式 能源 能源 静电 静电
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| GB/T 7714 | 林金堂 , 丘志榕 , 王嘉鑫 et al. 湿度对铜-聚氯乙烯基摩擦纳米发电机输出性能的影响 [J]. | 真空科学与技术学报 , 2020 , 40 (10) : 919-925 . |
| MLA | 林金堂 et al. "湿度对铜-聚氯乙烯基摩擦纳米发电机输出性能的影响" . | 真空科学与技术学报 40 . 10 (2020) : 919-925 . |
| APA | 林金堂 , 丘志榕 , 王嘉鑫 , 李典伦 . 湿度对铜-聚氯乙烯基摩擦纳米发电机输出性能的影响 . | 真空科学与技术学报 , 2020 , 40 (10) , 919-925 . |
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