检索结果-内蒙古大学图书馆

Dual-site parallel binding ligands for enhanced perovskite solar cell efficiency

Journal of Energy Chemistry 2025年第6期105卷 112-120页

作者： Zhiqian Yang Yingke Ren Li'e Mo Mengting Han Aiqing Sun Zhaoqian Li Hong Zhang Yong Ding Yang Huang Linhua Hu Key Laboratory of Photovoltaic and Energy Conservation Materials CAS Institute of Solid State Physics Hefei Institutes of Physical Science Chinese Academy of Sciences University of Science and Technology of China College of Science Hebei University of Science and Technology Hebei Computational Optical Imaging and Photoelectric Detection Technology Innovation Center Hebei International Joint Research Center for Computational Optical Imaging and Intelligent Sensing School of Mathematics and Physics Science and Engineering Hebei University of Engineering State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources North China Electric Power University Anhui Institute of Innovation for Industrial Technology

Perovskite solar cells（PSCs） are promising in the field of photovoltaics but are hindered by surface defects and ***,the energetic losses occurring at the interfaces between the perovskite and the charge transport layers often lead to reduced power conversion efficiency（PCE）.Surface treatment is an effective strategy but the passivating ligands usually bind with a single active *** resulted dense packing of resistive passivators perpendicular to the surface is detrimental to charge ***,we present a passivator that can bind to two neighboring lead（Ⅱ） ion(Pb2+) defect sites simultaneously with an aligned parallel mode to the perovskite surface,effectively suppressing the surface trap density and preventing the *** target device fulfills a PCE of 25.1% and maintains over 85% of the initial efficiency after 800 h of exposure to a relative humidity（RH） of 65% ± 5%.

关键词： Defect passivation Dual-site binding ligands Perovskite solar cells Post-treatment

来源：评论

学校读者我要写书评

暂无评论

Research on Dynamic Capacity-increase Technique Based on Spatial Interpolation Methods of Transmission Line Meteorological Data 3

Research on Dynamic Capacity-increase Technique Based on Spa...

引用

3rd International Conference on New Energy and power Engineering, ICNEPE 2023

作者： Wang, Bowen Sun, Yong Lu, Yu Shen, Xinyi Xu, Youqing Jin, Peng Zhao, Bo Fan, Ruihua Power Economic Research Institute Jilin Electric Power Co. Ltd Changchun China Power Economic Research Institute State Grid Jilin Electric Power Co Changchun China Power System Optical Sensing Technology and Application Laboratory Harbin Institute of Technology Harbin China

ISBN: (纸本)9798350393224

With the increase of grid-connected capacity of new energy sources, the problem of local grid limitation becomes more serious. Taking the transmission line of Jilin province as the research object, based on the meteorological data of some meteorological stations around a weak section, the data are analyzed. The inverse distance weight interpolation (IDW), ordinary Kriging interpolation (OK) and radial basis function interpolation (RBF) were used for spatial interpolation, and an estimation error was verified and analyzed statistically. The results show that the inverse distance weight interpolation (IDW) is more suitable for wind speed and direction data interpolation, and the two test indicators are smaller overall. The statistical error is taken into account in the interpolation results to provide more reliable input data for the dynamic capacity-increase technique. © 2023 IEEE.

关键词： dynamic capacity-increase technique error analyzed statistically heat balance spatial interpolation

来源：评论

学校读者我要写书评

暂无评论

Study on Fault Characteristics of Transmission Line of Photovoltaic power Station

Study on Fault Characteristics of Transmission Line of Photo...

引用

power and Energy (PandaFPE), Panda Forum on

作者： Jiayu Li Guoqing Zhang Caiyun Mo Longjiang Gao Xinyi Shen Ruihua Fan Power system optical sensing technology and application laboratory (Harbin Institute of Technology) Power System Automation Technology Institute (Harbin Institue of Technology) Harbin China

Affected by the control strategies adopted by the inverter, the PV(PhotoVoltaic) power station output short circuit current after the transmission line fault has different characteristics from the traditional synchronous generator output short circuit current. Because of different voltage drops of power grid, the different control strategies under variable conditions are analyzed. And the characteristics of the current that flowing on PV power station side of the transmission line after different kinds of faults are analyzed based on the simulation model. And the differences brought by different control strategies that influent the fault characteristics are simulated. The results show that the characteristics of the fault current and voltage on transmission line are greatly influenced by the fault type, control strategies, voltage drops and the other conditions.

关键词：

来源：评论

学校读者我要写书评

暂无评论

Adaptability Analysis of optical Current Differential Protection for Outgoing Line of Doubly-fed Wind Farm

Adaptability Analysis of Optical Current Differential Protec...

引用

power and Energy (PandaFPE), Panda Forum on

作者： Yuxin Zhang Guoqing Zhang Caiyun Mo Xinyi Shen Longjiang Gao Jie Zuo Power system optical sensing technology and application laboratory (Harbin Institute of Technology) Power System Automation Technology Institute (Harbin Institute of Technology) Harbin China

According to the characteristics of Double Fed Induction Generator (DFIG) and typical control strategies, the simulation model of DFIG with low voltage ride-through (LVRT) capability and the electromagnetic transient simulation model of large-scale wind farm are established. PSCAD simulation is used to study the current and voltage waveform characteristics of transmission lines under various intra-area and extra-area faults in both time and frequency domains, and the influence of control strategy, action behavior of body protection circuit, operation mode, fault location, fault type and other factors on fault waveform is studied in detail. By studying the fault characteristics of transmission lines, the adaptability of traditional optical fiber current differential protection based on power frequency is analyzed, and the impact on the reliability and sensitivity of the protection is mainly studied.

关键词：

来源：评论

学校读者我要写书评

暂无评论

Ultrahigh-Sensitivity Accelerometer Enabled by EFPI and Deflection Amplification Structure

引用

IEEE Transactions on Instrumentation and Measurement 2025年 74卷

作者： Ma, Junlong Chen, Yizheng Zhang, Qi Tang, Yan Chen, Ning Zhu, Xuran Zhang, Xiaobei Wang, Tingyun Shanghai University Key Laboratory of Specialty Fiber Optics and Optical Access Networks School of Communication and Information Engineering Shanghai200444 China China Electric Power Research Institute Laboratory of Electric Power Intelligent Sensing Technology and Application Beijing100192 China

In this article, an ultrahigh-sensitivity accelerometer incorporating an extrinsic Fabry-Perot interferometer (EFPI) and deflection amplification structure is proposed and experimentally demonstrated. The deflection amplification structure is constructed by a lever beam with cubic bead attached on the free end, and a buckled beam fixed at level beam midpoint. When exposed to acceleration, the lever beam vibrates, and force generated due to cubic bead gravity is greatly amplified and transferred to the connected buckled beam, which is finally converted into lateral displacement, thereby amplifying small displacement change at lever beam’s free end to one at the midpoint of buckled beam, and the amplified displacement is monitored by EFPI and full-spectrum demodulation algorithm. Theoretical and simulation analyses are applied to study the sensor response under vibration. Then, the sensor is fabricated, and experiments are performed. Experimental results show that resonant frequency of the sensor is 368 Hz. In the flat frequency range of 10–200 Hz, the sensitivities at 100 and 200 Hz are measured to be 11.118 and 8.075 μm/g, respectively. With the advantages of easy fabrication, ultrahigh sensitivity, and wide frequency bandwidth, the proposed accelerometer demonstrates great potential for structural health monitoring of power grid equipment. © 1963-2012 IEEE.

关键词： Structural health monitoring

来源：评论

学校读者我要写书评

暂无评论

Research on Dynamic Capacity-increase Technique Based on Spatial Interpolation Methods of Transmission Line Meteorological Data

Research on Dynamic Capacity-increase Technique Based on Spa...

引用

New Energy and power Engineering (ICNEPE), International Conference on

作者： Bowen Wang Yong Sun Yu Lu Xinyi Shen Youqing Xu Peng Jin Bo Zhao Ruihua Fan Power Economic Research Institute Jilin Electric Power Co. Ltd Changchun China Power Economic Research Institute State Grid Jilin Electric Power Co Changchun China Power system optical sensing technology and application laboratory Harbin Institute of Technology Harbin China

关键词：

来源：评论

学校读者我要写书评

暂无评论

Modulation characteristics of PZT phase modulator under temperature variation 20

Modulation characteristics of PZT phase modulator under temp...

引用

20th International Conference on optical Communications and Networks, ICOCN 2022

作者： Chen, Shuo Liu, Zhanyuan Niu, Xiaochen Li, Wei Start Grid Smart Grid Research Institute Co.Ltd. Beijing China Electric Power Intelligent Sensing Technology Application of State Grid Corporation Joint Laboratory Beijing China School of Optical and Electronic Information Huazhong University of Science and Technology Wuhan China

The regulation of modulation voltage and modulation phase under the influence of different ambient temperature is investigated. It provides theoretical and practical data support for solving the impedance matching pro... 详细信息

ISBN: (数字)9781665458986

ISBN: (纸本)9781665458986

关键词： Modulation

来源：评论

学校读者我要写书评

暂无评论

Stability-enhanced RF signal transmission over long fiber-optic links

引用

Chinese Optics Letters 2024年第5期22卷 131-136页

作者：尹知谦郑满航张川博管世健周昕刘奕彤刚泽宇聂佳强张云山朱兴邦方涛陈向飞 Engineering Research Center of Precision Photonics Integration and System Application Ministry of Education&Key Laboratory of Intelligent Optical Sensing and ManipulationMinistry of Education&National Laboratory of Solid State Microstructures&College of Engineering and Applied Sciences&Institute of Optical Communication Engineering&Nanjing University-Tongding Joint Lab for Large-scale Photonic Integrated CircuitsNanjing UniversityNanjing 210023China College of Electronics and Optical Engineering and College of Flexible Electronics(Future Technology) Nanjing University of Posts and TelecommunicationsNanjing 210023China The 41st Research Institute of China Electronics Technology Group Corp Qingdao 266000China

We propose a method for optimizing the phase stability of microwave signal transmission over long ***,the design of the photon link was modified to reduce the radio frequency(RF)signal’s baseline noise and increase ***,a low-noise driver circuit was developed for a two-section distributed feedback(DFB)laser designed using reconstruction equivalent chirp(REC)technology to create an ultra-stable laser,and its performance was characterized through linewidth *** results indicate that the DFB laser achieved narrower linewidth,improving system phase *** an injection current(30 mA)is applied to the reflection section of the two-section DFB laser,the laser linewidth will be narrower(1.38 MHz),further enhancing the system’s phase transmission *** a 1 Hz offset frequency,a residual phase noise of-88.65 dBc/Hz is *** short-term stability with an averaging time of 1 s is 1.60×10^(-14),and the long-term stability over a testing time of 60,000 s is 3.41×10^(-18).Even after incorporating temperature variations,the long-term stability reaches 8.37×10^(-18) at 22 h.

关键词： frequency dissemination two-section distributed feedback laser phase stability

来源：评论

学校读者我要写书评

暂无评论

Study of the sensing Characteristics of Irradiated Fiber Bragg Gratings and Fabry-Perot Interferometers Under Gamma Radiation

引用

Photonic Sensors 2022年第1期12卷 91-98页

作者： Zhuoyue LI Zengling RAN Xianguo QING Zhengxi HE Yaqin XIAO Tingting YANG Xiu HE Jialiang ZHU Peng HE Sijie XU Science and Technology on Reactor System Design Technology Laboratory Nuclear Power Institute of ChinaChengdu 610213China Key Laboratory of Optical Fiber Sensing&Communications(Ministry of Education) University of Electronic Science and Technology of ChinaChengdu 611731China China Aerodynamics Research and Development Center Mianyang 621000China

The sensing characteristics of irradiated fiber Bragg gratings(FBGs)and Fabry-Perot interferometers(FPIs)were investigated under a 2MGy dose of gamma *** study found that the pressure sensitivity of FP sensors after irradiation was stable,while the temperature sensitivity of FBG sensors was unstable,and both wavelengths displayed a *** findings offer the possibility for the application of FP pressure sensors in the gamma radiation environments,and FBG sensors require further research to be suitable for application in the nuclear radiation environments.

关键词： Fiber Bragg gratings Fabry-Perot interferometers gamma radiation

来源：评论

学校读者我要写书评

暂无评论

Long-term ultrastable frequency dissemination via a 50-km spooled fiber link using a two-section DFB laser

引用

Chinese Optics Letters 2024年第1期22卷 164-169页

作者：尹知谦张川博管世健周昕王亚光王磊磊郑满航刘奕彤张云山朱兴邦方涛陈向飞 Engineering Research Center of Precision Photonics Integration and System Application Ministry of Education&Key Laboratory of Intelligent Optical Sensing and ManipulationMinistry of Education&National Laboratory of Solid State Microstructures&College of Engineering and Applied Sciences&Institute of Optical Communication Engineering&Nanjing University-Tongding Joint Lab for Large-Scale Photonic Integrated CircuitsNanjing UniversityNanjing 210023China College of Electronics and Optical Engineering and College of Flexible Electronics Nanjing University of Posts and TelecommunicationsNanjing 210023China The 41st Research Institute of China Electronics Technology Group Corp Qingdao 266000China

The stable long-distance transmission of radio-frequency(RF)signals holds significant importance from various aspects,including the comparison of optical frequency standards,remote monitoring and control,scientific research and experiments,and RF spectrum *** demonstrate a scheme where an ultrastable frequency signal was transmitted over a 50 km coiled *** optical RF signal is generated using a two-section distributed feedback(DFB)laser for direct modulation based on the reconstruction equivalent chirp(REC)*** 3-dB modulation bandwidth of the two-section DFB laser is 18 GHz and the residual phase noise of-122.87 dBc/Hz is achieved at 10-Hz offset *** report a short-term stability of 1.62×10^(-14)at an average time of 1 s and a long-term stability of 6.55×10^(-18)at the measurement time of 62,000 s when applying current to the front section of the DFB *** applying power to both sections,the stability of the system improves to 4.42×10^(-18)within a testing period of 56,737 *** applying temperature variations to the transmission link,long-term stability of 8.63×10^(-18)at 23.9 h can still be achieved.

关键词： frequency dissemination two-section DFB laser phase stability

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：