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学者姓名：林金堂
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Abstract ：
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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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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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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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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Zinc oxide (ZnO) acting as a versatile material for electronic and optoelectronic devices shows promising applications in triboelectric nanogenerator (TENG)-based self-powered electronics. However, the output performances of ZnO-based TENG are relatively low and the origin of contact-electrification in the ZnO-based TENG is unclear. Here, we fabricate a TENG by using ZnO film and polyimide (PI) acting as positive and negative friction layers, respectively. The work function of the ZnO film is modified by doping with elemental Al, and the conductivity of the ZnO film is additionally enhanced by the presence of graphene-oxide sheets. The output performance is greatly improved and it is sensitive to the work function of ZnO film. These results reveal that electron transfer is the dominant process in contact-electrification for ZnO-based TENGs. This work provides significant insight into understanding the contact-electrification properties of ZnO, thus allowing optimization of ZnO-based self-powered devices.
Keyword ：
Aluminum-doped zinc oxide Aluminum-doped zinc oxide Contact-electrification Contact-electrification Electron transfer Electron transfer Graphene oxide Graphene oxide Triboelectric nanogenerators Triboelectric nanogenerators
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| GB/T 7714 | Li, Dianlun , Wu, Chaoxing , Ruan, Lu et al. Electron-transfer mechanisms for confirmation of contact-electrification in ZnO/polyimide-based triboelectric nanogenerators [J]. | NANO ENERGY , 2020 , 75 . |
| MLA | Li, Dianlun et al. "Electron-transfer mechanisms for confirmation of contact-electrification in ZnO/polyimide-based triboelectric nanogenerators" . | NANO ENERGY 75 (2020) . |
| APA | Li, Dianlun , Wu, Chaoxing , Ruan, Lu , Wang, Jiaxin , Qiu, Zhirong , Wang, Kun et al. Electron-transfer mechanisms for confirmation of contact-electrification in ZnO/polyimide-based triboelectric nanogenerators . | NANO ENERGY , 2020 , 75 . |
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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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Uniform and continuous Al2O3 thin films were prepared by the chemical liquid deposition (CLD) method. The breakdown field strength of the amorphous CLD-Al2O3 film is 1.74 MV/cm, making it could be used as a candidate dielectric film for electronic devices. It was further proposed to use the CLD-Al2O3 film as an electron blocking layer in a triboelectric nanogenerator (TENG) for output performances enhancement. Output voltages and currents of about 200 V and 9 mu A were obtained, respectively, which were 2.6 times and 3 times, respectively, higher than TENG device without an Al2O3. A colloidal condensation-based procedure controlled by adjusting the pH value of the solution was proposed to be the mechanism of CLD, which was confirmed by the Tyndall effect observed in the growth liquid. The results indicated that the CLD could serve as a low-cost, room temperature, nontoxic and facile new method for the growth of functional thin films for semiconductor device applications.
Keyword ：
aluminum oxide aluminum oxide chemical liquid deposition chemical liquid deposition dielectric thin film dielectric thin film triboelectric nanogenerator triboelectric nanogenerator
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| GB/T 7714 | Li, Dianlun , Ruan, Lu , Sun, Jie et al. Facile growth of aluminum oxide thin film by chemical liquid deposition and its application in devices [J]. | NANOTECHNOLOGY REVIEWS , 2020 , 9 (1) : 876-885 . |
| MLA | Li, Dianlun et al. "Facile growth of aluminum oxide thin film by chemical liquid deposition and its application in devices" . | NANOTECHNOLOGY REVIEWS 9 . 1 (2020) : 876-885 . |
| APA | Li, Dianlun , Ruan, Lu , Sun, Jie , Wu, Chaoxing , Yan, Ziwen , Lin, Jintang et al. Facile growth of aluminum oxide thin film by chemical liquid deposition and its application in devices . | NANOTECHNOLOGY REVIEWS , 2020 , 9 (1) , 876-885 . |
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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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提出应用于高输出摩擦纳米发电机的多孔聚二甲基硅氧烷(PDMS)薄膜快速制备技术.将去离子水均匀分散在PDMS预聚体中形成乳状液体,采用旋涂和快速热固化获得多孔PDMS薄膜,以其作为负摩擦层制备垂直接触-分离模式摩擦纳米发电机,研究去离子水混合比例对多孔PDMS薄膜形貌和摩擦纳米发电机输出性能的影响.实验表明,PDMS:去离子水乳状液中去离子水的比例会显著影响薄膜形貌和摩擦纳米发电机电能输出.当水的质量分数从0增加到8％时,摩擦纳米发电机输出开路电压随去离子水比例的增大而提高.去离子水的质量分数为8％时,输出开路电压达到最大值110 V;当去离子水的质量分数大于10％时,摩擦纳米发电机输出开路电压随去离子水比例的增加而呈现下降趋势.
Keyword ：
多孔材料 多孔材料 摩擦纳米发电机 摩擦纳米发电机 聚二甲基硅氧烷 聚二甲基硅氧烷 负摩擦材料 负摩擦材料
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| GB/T 7714 | 林金堂 , 王嘉鑫 , 丘志榕 et al. 多孔聚二甲基硅氧烷薄膜的制备及摩擦发电性能研究 [J]. | 电子元件与材料 , 2020 , 39 (7) : 90-94,101 . |
| MLA | 林金堂 et al. "多孔聚二甲基硅氧烷薄膜的制备及摩擦发电性能研究" . | 电子元件与材料 39 . 7 (2020) : 90-94,101 . |
| APA | 林金堂 , 王嘉鑫 , 丘志榕 , 李典伦 . 多孔聚二甲基硅氧烷薄膜的制备及摩擦发电性能研究 . | 电子元件与材料 , 2020 , 39 (7) , 90-94,101 . |
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