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学者姓名:蒋庄德

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< Page ,Total 55 >
A novel three-dimensional spiral CoNi LDHs on Au@ErGO wire for high performance fiber supercapacitor electrodes EI Scopus SCIE
期刊论文 | 2019 , 236 , 728-731 | Materials Letters
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Abstract :

© 2018 Elsevier B.V. This work demonstrates a novel three-dimensional (3D) spiral fiber electrode, fabricated by electrochemically reducing of graphene oxide (GO) on Au wire followed with electrodeposition of CoNi layered double hydroxides (LDHs). The advanced electrode possesses combined features of micro size, good flexibility, high specific capacitance, excellent rate capability, and long cycling life, making it promises great potential as effective energy sources to integrate with other devices for wearable electronics.

Keyword :

CoNi LDHs Electrodeposition Fiber supercapacitor Microstructure Nanocomposites Wearable electronics

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GB/T 7714 Luo, Guoxi , Siong Teh, Kwok , Xia, Yong et al. A novel three-dimensional spiral CoNi LDHs on Au@ErGO wire for high performance fiber supercapacitor electrodes [J]. | Materials Letters , 2019 , 236 : 728-731 .
MLA Luo, Guoxi et al. "A novel three-dimensional spiral CoNi LDHs on Au@ErGO wire for high performance fiber supercapacitor electrodes" . | Materials Letters 236 (2019) : 728-731 .
APA Luo, Guoxi , Siong Teh, Kwok , Xia, Yong , Luo, Yunyun , Li, Zhikang , Wang, Shubei et al. A novel three-dimensional spiral CoNi LDHs on Au@ErGO wire for high performance fiber supercapacitor electrodes . | Materials Letters , 2019 , 236 , 728-731 .
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Optimizing electrospinning-hydrothermal hybrid process based on Taguchi method for modulation of point defects in ZnO micro/nano arrays towards photoelectronic application EI
期刊论文 | 2019 , 167-174 | Journal of Alloys and Compounds
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Abstract :

Unlike previous work generally adopting high temperature annealing (≥500 °C) to suppress defects in hydrothermal grown ZnO, this work suppressed ZnO defects by optimizing overall process parameters of low temperature electrospinning-hydrothermal hybrid process (≤300 °C) with Taguchi method and Analysis of Variance (ANOVA). Sum ratio of defect peaks to eigen peaks (SRDE) in room-temperature photoluminescence (PL) spectrum was proposed to evaluate defect conditions in 27 experiments (L27 (38)). With the optimal process, good crystal quality (SRDE = 0.31) was achieved at low temperature (200 °C), of which the SRDE decreased by 68.04% compared with the initial counterpart. Then confirmation experiment was conducted to validate the selected levels, and results of signal-to-noise ratio (SNR) showed good agreement with the predicted ones. Besides, the response time and recovery time of the ZnO photodetectors with optimal process were decreased by 72.5% and 79.3%, respectively, compared with the initial ones. This method can also be used to fabricate ZnO materials with other wanted defect features. © 2018

Keyword :

Crystal qualities High-temperature annealing Hybrid process Low temperatures Low-temperature electrospinning Micro/nano Overall process Room temperature photoluminescence spectrums

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GB/T 7714 Xia, Yong , Zhao, Libo , Luo, Yunyun et al. Optimizing electrospinning-hydrothermal hybrid process based on Taguchi method for modulation of point defects in ZnO micro/nano arrays towards photoelectronic application [J]. | Journal of Alloys and Compounds , 2019 : 167-174 .
MLA Xia, Yong et al. "Optimizing electrospinning-hydrothermal hybrid process based on Taguchi method for modulation of point defects in ZnO micro/nano arrays towards photoelectronic application" . | Journal of Alloys and Compounds (2019) : 167-174 .
APA Xia, Yong , Zhao, Libo , Luo, Yunyun , Hebibul, Rahman , Wang, Jiuhong , Li, Lei et al. Optimizing electrospinning-hydrothermal hybrid process based on Taguchi method for modulation of point defects in ZnO micro/nano arrays towards photoelectronic application . | Journal of Alloys and Compounds , 2019 , 167-174 .
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Ordinary Optical Fiber Sensor for Ultra-High Temperature Measurement Based on Infrared Radiation SCIE
期刊论文 | 2018 , 18 (11) | SENSORS
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Abstract :

An ordinary optical fiber ultra-high temperature sensor based on infrared radiation with the advantages of simple structure and compact is presented. The sensing system consists of a detection fiber and a common transmission fiber. The detector fiber is formed by annealing a piece of ordinary fiber at high temperature twice, which changes the properties of the fiber and breaks the temperature limit of ordinary fiber. The transmission fiber is a bending insensitive optical fiber. A static calibration system was set up to determine the performance of the sensor and three heating experiments were carried out. The temperature response sensitivities were 0.010 dBm/K, 0.009 dBm/K and 0.010 dBm/K, respectively, which indicate that the sensor has good repeatability. The sensor can withstand a high temperature of 1823 K for 58 h with an error of less than 1%. The main reason why the developed ordinary optical fiber sensor can work steadily for a long time at high temperature is the formation of beta-cristobalite, which is stable at high-temperature.

Keyword :

optical fiber sensor high temperature sensing infrared radiation

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GB/T 7714 Lin, Qijing , Zhao, Na , Yao, Kun et al. Ordinary Optical Fiber Sensor for Ultra-High Temperature Measurement Based on Infrared Radiation [J]. | SENSORS , 2018 , 18 (11) .
MLA Lin, Qijing et al. "Ordinary Optical Fiber Sensor for Ultra-High Temperature Measurement Based on Infrared Radiation" . | SENSORS 18 . 11 (2018) .
APA Lin, Qijing , Zhao, Na , Yao, Kun , Jiang, Zhuangde , Tian, Bian , Shi, Peng et al. Ordinary Optical Fiber Sensor for Ultra-High Temperature Measurement Based on Infrared Radiation . | SENSORS , 2018 , 18 (11) .
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Investigation on thermoelectric properties of screen-printed La1-xSrxCrO3-In2O3 thermocouples for high temperature sensing EI SCIE Scopus
期刊论文 | 2018 , 38 (15) , 5030-5035 | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
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Abstract :

La1-xSrxCrO3-In2O3 thick film thermocouples were fabricated by screen-printing method for high temperature sensing and the effects of Sr2+ content were investigated systematically. All La1-xSrxCrO3 thick films showed well crystallization with orthorhombic unit cell. Their average particle sizes showed the tendency of first increase then decrease gradually with the increase of Sr2+ content, and the maximum of average particle size was 1.76 mu m. At the same time, the conductivities were improved with the increase of Sr2+ content. The thermoelectric properties of La1-xSrxCrO3 depended on the Sr2+ content and the average Seebeck coefficients had an exponential decay tendency with the increase of Sr2+ content. For La1-xSrxCrO3 (x = 0.1-0.4)-In2O3 thermocouples, excellent repeatability and stability were observed through multi-cycles and long-time usage testing at high temperature. The La0.7Sr0.3CrO3-In2O3 thick film thermocouple with excellent thermal stability (drift rate: 0.81 degrees C/h) and reliability makes it become a promising candidate high sensitivity thermal sensor.

Keyword :

Thermoelectric voltage Thermocouple Lanthanum chromites High reliability High stability

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GB/T 7714 Liu, Dan , Shi, Peng , Ren, Wei et al. Investigation on thermoelectric properties of screen-printed La1-xSrxCrO3-In2O3 thermocouples for high temperature sensing [J]. | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY , 2018 , 38 (15) : 5030-5035 .
MLA Liu, Dan et al. "Investigation on thermoelectric properties of screen-printed La1-xSrxCrO3-In2O3 thermocouples for high temperature sensing" . | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 38 . 15 (2018) : 5030-5035 .
APA Liu, Dan , Shi, Peng , Ren, Wei , Liu, Yantao , Liu, Ming , Zhang, Yijun et al. Investigation on thermoelectric properties of screen-printed La1-xSrxCrO3-In2O3 thermocouples for high temperature sensing . | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY , 2018 , 38 (15) , 5030-5035 .
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A new kind of thermocouple made of p-type and n-type semi-conductive oxides with giant thermoelectric voltage for high temperature sensing EI SCIE Scopus
期刊论文 | 2018 , 6 (13) , 3206-3211 | JOURNAL OF MATERIALS CHEMISTRY C
WoS CC Cited Count: 5 SCOPUS Cited Count: 5
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Abstract :

A new kind of thermocouple consisting of n-type and p-type semi-conductive oxides with a giant thermoelectric voltage is reported. The thermocouple was fabricated from n-type La0.8Sr0.2CrO3 and p-type In2O3 and it exhibits a high thermoelectric voltage of 410.3 mV at 1270 degrees C, which is the highest value reported for any type of thermocouples to date. This achievement challenges the long-established material selection principles for thermocouples and opens a new way for designing highly sensitive thermal sensors. The thermocouple developed in this work has great potential for practical applications in high temperature sensing in harsh environments.

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GB/T 7714 Liu, Dan , Shi, Peng , Ren, Wei et al. A new kind of thermocouple made of p-type and n-type semi-conductive oxides with giant thermoelectric voltage for high temperature sensing [J]. | JOURNAL OF MATERIALS CHEMISTRY C , 2018 , 6 (13) : 3206-3211 .
MLA Liu, Dan et al. "A new kind of thermocouple made of p-type and n-type semi-conductive oxides with giant thermoelectric voltage for high temperature sensing" . | JOURNAL OF MATERIALS CHEMISTRY C 6 . 13 (2018) : 3206-3211 .
APA Liu, Dan , Shi, Peng , Ren, Wei , Liu, Yantao , Niu, Gang , Liu, Ming et al. A new kind of thermocouple made of p-type and n-type semi-conductive oxides with giant thermoelectric voltage for high temperature sensing . | JOURNAL OF MATERIALS CHEMISTRY C , 2018 , 6 (13) , 3206-3211 .
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A Highly Thermostable In2O3/ITO Thin Film Thermocouple Prepared via Screen Printing for High Temperature Measurements EI SCIE PubMed Scopus
期刊论文 | 2018 , 18 (4) | SENSORS
WoS CC Cited Count: 2
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Abstract :

An In2O3/ITO thin film thermocouple was prepared via screen printing. Glass additives were added to improve the sintering process and to increase the density of the In2O3/ITO films. The surface and cross-sectional images indicate that both the grain size and densification of the ITO and In2O3 films increased with the increase in annealing time. The thermoelectric voltage of the In2O3/ITO thermocouple was 53.5 mV at 1270 degrees C at the hot junction. The average Seebeck coefficient of the thermocouple was calculated as 44.5 mu V/degrees C. The drift rate of the In2O3/ITO thermocouple was 5.44 degrees C/h at a measuring time of 10 h at 1270 degrees C.

Keyword :

screen printing thermocouple thermoelectric response Seebeck coefficient

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GB/T 7714 Liu, Yantao , Ren, Wei , Shi, Peng et al. A Highly Thermostable In2O3/ITO Thin Film Thermocouple Prepared via Screen Printing for High Temperature Measurements [J]. | SENSORS , 2018 , 18 (4) .
MLA Liu, Yantao et al. "A Highly Thermostable In2O3/ITO Thin Film Thermocouple Prepared via Screen Printing for High Temperature Measurements" . | SENSORS 18 . 4 (2018) .
APA Liu, Yantao , Ren, Wei , Shi, Peng , Liu, Dan , Zhang, Yijun , Liu, Ming et al. A Highly Thermostable In2O3/ITO Thin Film Thermocouple Prepared via Screen Printing for High Temperature Measurements . | SENSORS , 2018 , 18 (4) .
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High Temperature High Sensitivity Multipoint Sensing System Based on Three Cascade Mach-Zehnder Interferometers EI SCIE PubMed Scopus
期刊论文 | 2018 , 18 (8) | SENSORS
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Abstract :

A temperature multipoint sensing system based on three cascade Mach-Zehnder interferometers (MZIs) is introduced. The MZIs with different lengths are fabricated based on waist-enlarged fiber bitapers. The fast Fourier transformation is applied to the overlapping transmission spectrum and the corresponding interference spectra can be obtained via the cascaded frequency spectrum based on the inverse Fourier transformation. By analyzing the drift of interference spectra, the temperature response sensitivities of 0.063 nm/degrees C, 0.071 nm/degrees C, and 0.059 nm/degrees C in different furnaces can be detected from room temperature up to 1000 degrees C, and the temperature response at different regions can be measured through the sensitivity matrix equation. These results demonstrate feasibility of multipoint measurement, which also support that the temperature sensing system provides new solution to the MZI cascade problem.

Keyword :

high temperature sensing fiber bitapers Mach-Zehnder interferometer cascade

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GB/T 7714 Zhao, Na , Lin, Qijing , Jiang, Zhuangde et al. High Temperature High Sensitivity Multipoint Sensing System Based on Three Cascade Mach-Zehnder Interferometers [J]. | SENSORS , 2018 , 18 (8) .
MLA Zhao, Na et al. "High Temperature High Sensitivity Multipoint Sensing System Based on Three Cascade Mach-Zehnder Interferometers" . | SENSORS 18 . 8 (2018) .
APA Zhao, Na , Lin, Qijing , Jiang, Zhuangde , Yao, Kun , Tian, Bian , Fang, Xudong et al. High Temperature High Sensitivity Multipoint Sensing System Based on Three Cascade Mach-Zehnder Interferometers . | SENSORS , 2018 , 18 (8) .
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Effect of motion accuracy on material removal during the CMP process for large-aperture plane optics EI SCIE Scopus
期刊论文 | 2018 , 94 (1-4) , 105-119 | INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
WoS CC Cited Count: 1
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Abstract :

Chemical-mechanical polishing (CMP) is a key process in the fabrication of high-precision large-aperture plane optics. To satisfy the growing demand for better polishing efficiency and accuracy in CMP process, there is a new focus on the development of a new CMP machine that applies high-precision motion parts including ultra-precision spindles, guideways, rotary table, and numerical control system. In this article, to show how the run-out error of a rotary table affects the polishing efficiency and accuracy, we propose a material-removing model that creatively analyzes the material-removing process at any point N on a workpiece. To verify the model, we performed a variety of analysis and polishing experiments using the KPJ1700 and KPJ1200 CMP machine. For 6-h-long polishing process on the KPJ1700 CMP machine, the surface accuracy of the 400 x 80 mm UBK7 optic varies from 10.51 to 2.94 lambda, and then to 0.32 lambda after another 4 h. For 6-h-long polishing process on the KPJ1200 CMP machine, the surface accuracy of the 430 x 430 mm UBK7 optic varies from 5.78 to 3.48 lambda, and then to 0.8 lambda after another 4 h. The measurement results proved that a smaller run-out error results in higher polishing efficiency and accuracy.

Keyword :

Chemical mechanical polishing Run-out error Stitching measurement Uneven removal Polishing efficiency and accuracy Gas hydrostatic rotary table Large-aperture optics

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GB/T 7714 Zhang, C. P. , Zhao, H. Y. , Xie, R. Q. et al. Effect of motion accuracy on material removal during the CMP process for large-aperture plane optics [J]. | INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY , 2018 , 94 (1-4) : 105-119 .
MLA Zhang, C. P. et al. "Effect of motion accuracy on material removal during the CMP process for large-aperture plane optics" . | INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY 94 . 1-4 (2018) : 105-119 .
APA Zhang, C. P. , Zhao, H. Y. , Xie, R. Q. , Zhao, Z. X. , Gu, Y. W. , Jiang, Z. D. . Effect of motion accuracy on material removal during the CMP process for large-aperture plane optics . | INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY , 2018 , 94 (1-4) , 105-119 .
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3D Multi-Microchannel Helical Mixer Fabricated by Femtosecond Laser inside Fused Silica EI SCIE Scopus
期刊论文 | 2018 , 9 (1) | MICROMACHINES
WoS CC Cited Count: 5 SCOPUS Cited Count: 4
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Abstract :

Three-dimensional (3D) multi-microchannel mixers can meet the requirements of different combinations according to actual needs. Rapid and simple creation of 3D multi-microchannel mixers in a lab-on-a-chip platform is a significant challenge in micromachining. In order to realize the complex mixing functions of microfluidic chips, we fabricated two kinds of complex structure micromixers for multiple substance mixes simultaneously, separately, and in proper order. The 3D multi-microchannel mixers are fabricated by femtosecond laser wet etch technology inside fused silica. The 3D multi-microchannel helical mixers have desirable uniformity and consistency, which will greatly expand their utility and scope of application.

Keyword :

femtosecond laser passive micromixer microstructure fabrication

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GB/T 7714 Shan, Chao , Chen, Feng , Yang, Qing et al. 3D Multi-Microchannel Helical Mixer Fabricated by Femtosecond Laser inside Fused Silica [J]. | MICROMACHINES , 2018 , 9 (1) .
MLA Shan, Chao et al. "3D Multi-Microchannel Helical Mixer Fabricated by Femtosecond Laser inside Fused Silica" . | MICROMACHINES 9 . 1 (2018) .
APA Shan, Chao , Chen, Feng , Yang, Qing , Jiang, Zhuangde , Hou, Xun . 3D Multi-Microchannel Helical Mixer Fabricated by Femtosecond Laser inside Fused Silica . | MICROMACHINES , 2018 , 9 (1) .
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An optical fiber Fabry-Perot micro-pressure sensor based on beam-membrane structure EI SCIE
期刊论文 | 2018 , 29 (12) | MEASUREMENT SCIENCE AND TECHNOLOGY
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In this paper, an optical fiber Fabry-Perot (FP) sensor for micro-pressure measurement is proposed. The FP interferometric cavity is composed of an end face of the incident optical fiber and a sensitive silicon diaphragm. The sensitive silicon diaphragm creatively utilizes a beam-membrane structure which is fabricated by micro-electro-mechanical system manufacturing technology. The finite element method simulation results show that the beam-membrane structure can achieve higher sensitivity and better linearity. The sensor performance test platform is built by a ASE-wide spectrum light source, optical spectrum analyzer, micropressure gas source and so on. The phase demodulation method is employed to demodulate the cavity length signal from the spectrum. The measure range of the sensor is 0-10 KPa, and the experimental sensitivity of the cavity length can reach to 242nm KPa-1.

Keyword :

optical fiber sensor MEMS FP cavity micro-pressure beam-membrane structure

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GB/T 7714 Tian, Bian , Zhan, Feng , Han, Feng et al. An optical fiber Fabry-Perot micro-pressure sensor based on beam-membrane structure [J]. | MEASUREMENT SCIENCE AND TECHNOLOGY , 2018 , 29 (12) .
MLA Tian, Bian et al. "An optical fiber Fabry-Perot micro-pressure sensor based on beam-membrane structure" . | MEASUREMENT SCIENCE AND TECHNOLOGY 29 . 12 (2018) .
APA Tian, Bian , Zhan, Feng , Han, Feng , Li, Kaikai , Zhao, Na , Yang, Ning et al. An optical fiber Fabry-Perot micro-pressure sensor based on beam-membrane structure . | MEASUREMENT SCIENCE AND TECHNOLOGY , 2018 , 29 (12) .
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