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Micro-optical fabrication by ultraprecision diamond machining and precision molding

Hui LI, Likai LI, Neil J. NAPLES, Jeffrey W. ROBLEE, Allen Y. YI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 181-192 doi: 10.1007/s11465-017-0444-z

Abstract: Today optical molds, including freeform surfaces and microlens arrays, are routinely diamond machined

Keywords： ultraprecision machining     slow tool servo     fast tool servo     compression molding     injection molding     microlensarrays     optical fabrication    

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Engineering the grain boundary: a promising strategy to configure NiCoPO/NiCoP nanowire arrays for ultra-stable

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1259-1267 doi: 10.1007/s11705-021-2132-0

Abstract: NiCoP4O12/NiCoP nanorod-like arrays with tunable grain boundary density and poresThe optimized NiCoP4O12/NiCoP arrays have a high specific capacitance of 507.810000 cycles, was achieved in an asymmetric cell assembled of the NiCoP4O12/NiCoP arrayswere higher than those of other work, demonstrating as-prepared NiCoP4O12/NiCoP arrays

Keywords： NiCo     array electrode     grain boundary     stability     supercapacitor    

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Erratum to: Polypyrrole@NiCo hybrid nanotube arrays as high performance electrocatalyst for hydrogen

Shenghua Ye, Gaoren Li

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 845-845 doi: 10.1007/s11705-019-1879-z

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Tuning the electronic structure of NiCoP arrays through V doping for pH-universal hydrogen evolution

Yu Lin, Jinlei Wang, Duanlin Cao, Yaqiong Gong

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1134-1146 doi: 10.1007/s11705-020-2014-x

Abstract: The exploration of cost-effective, high-performance, and stable electrocatalysts for the hydrogen evolution reaction (HER) over wide pH range (0–14) is of paramount importance for future renewable energy conversion technologies. Regulation of electronic structure through doping vanadium atoms is a feasible construction strategy to enhance catalytic activities, electron transfer capability, and stability of the HER electrode. Herein, V-doped NiCoP nanosheets on carbon fiber paper (CFP) (denoted as V -NiCoP/CFP) were constructed by doping V modulation on NiCoP nanosheets on CFP and used for pH-universal HER. Benefiting from the abundant catalytic sites and optimized hydrogen binding thermodynamics, the resultant V -NiCoP/CFP demonstrates a significantly improved HER catalytic activity, requiring overpotentials of 46.5, 52.4, and 85.3 mV to reach a current density of 10 mA·cm in 1 mol·L KOH, 0.5 mol·L H SO , and 1 mol·L phosphate buffer solution (PBS) electrolytes, respectively. This proposed cation-doping strategy provides a new inspiration to rationally enhance or design new-type nonprecious metal-based, highly efficient, and pH-universal electrocatalysts for various energy conversion systems.

Keywords： hydrogen evolution reaction     transition metal phosphides     pH-universal     vanadium doping     carbon fiber paper    

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Nickel nanopore arrays as promising current collectors for constructing solid-state supercapacitors with

Huaping Zhao, Long Liu, Yaoguo Fang, Ranjith Vellacheri, Yong Lei

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 339-345 doi: 10.1007/s11705-018-1699-6

Abstract:

In this work, nickel nanopore arrays with a highly-oriented nanoporous structure inherited from porous

Keywords： supercapacitor     ultrahigh rate     metallic nanopore arrays     current collectors     PEDOT    

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Construction of NiCoO nanoflake arrays on cellulose-derived carbon nanofibers as a freestanding electrode

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 691-703 doi: 10.1007/s11705-022-2268-6

Abstract: The NiCo2O4 nanoflake arrays are grown uniformly on the cellulose-based carbonThe as-prepared cellulose-based carbon nanofibers/NiCo2O4 nanoflake arrays are

Keywords： cellulose     carbon nanofibers     NiCo2O4     supercapacitors    

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Polypyrrole@NiCo hybrid nanotube arrays as high performance electrocatalyst for hydrogen evolution reaction

Shenghua Ye, Gaoren Li

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 473-480 doi: 10.1007/s11705-018-1724-9

Abstract:

The polypyrrole(PPy)@NiCo hybrid nanotube arrays have been successfully fabricated as a high performanceenhance the turnover frequency of catalysts, the electrocatalytic performance of PPy@NiCo hybrid nanotube arrays

Keywords： NiCo alloy     polypyrrole     hybrid nanotube     electrocatalyst     hydrogen evolution reaction    

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Recent advancements in optical microstructure fabrication through glass molding process

Tianfeng ZHOU,Xiaohua LIU,Zhiqiang LIANG,Yang LIU,Jiaqing XIE,Xibin WANG

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 1,   Pages 46-65 doi: 10.1007/s11465-017-0425-2

Abstract:

Optical microstructures are increasingly applied in several fields, such as optical systems, precision measurement, and microfluid chips. Microstructures include microgrooves, microprisms, and microlenses. This paper presents an overview of optical microstructure fabrication through glass molding and highlights the applications of optical microstructures in mold fabrication and glass molding. The glass-mold interface friction and adhesion are also discussed. Moreover, the latest advancements in glass molding technologies are detailed, including new mold materials and their fabrication methods, viscoelastic constitutive modeling of glass, and microstructure molding process, as well as ultrasonic vibration-assisted molding technology.

Keywords： optical microstructure     microgroove     microlens     glass molding process     single-point diamond cutting    

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Decoration of vertically aligned TiO

Heba ALI, N. ISMAIL, M. S. AMIN, Mohamed MEKEWI

Frontiers in Energy 2018, Volume 12, Issue 2,   Pages 249-258 doi: 10.1007/s11708-018-0547-1

Abstract: WO decorated photoelectrodes of titanium nanotube arrays (W-oxide TNTAs) were synthesized via a two-step

Keywords： titanium dioxide nanotube arrays     potentiostaticanodization     electrodeposition method     tungsten oxide     photoelectrochemical    

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Development and applications of functional gene microarrays in the analysis of the functional diversity, composition, and structure of microbial communities

Zhili HE, Joy D. VAN NOSTRAND, Ye DENG, Jizhong ZHOU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 1-20 doi: 10.1007/s11783-011-0301-y

Abstract: Functional gene arrays (FGAs) are a special type of microarrays containing probes for key genes involved

Keywords： functional gene arrays (FGAs)     GeoChip     microbial communities     functional diversity/composition/structure    

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Light field imaging for computer vision: a survey Review Article

Chen JIA, Fan SHI, Meng ZHAO, Shengyong CHEN

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 7,   Pages 1077-1097 doi: 10.1631/FITEE.2100180

Abstract: Light field (LF) imaging has attracted attention because of its ability to solve problems. In this paper we briefly review the research progress in in recent years. For most factors that affect development, the richness and accuracy of visual information acquisition are decisive. LF imaging technology has made great contributions to because it uses cameras or s to record the position and direction information of light rays, acquiring complete three-dimensional (3D) scene information. LF imaging technology improves the accuracy of depth estimation, image segmentation, blending, fusion, and 3D reconstruction. LF has also been innovatively applied to iris and face recognition, identification of materials and fake pedestrians, acquisition of s, shape recovery, and LF microscopy. Here, we further summarize the existing problems and the development trends of LF imaging in , including the establishment and evaluation of the LF dataset, applications under high dynamic range (HDR) conditions, LF image enhancement, virtual reality, 3D display, and 3D movies, military optical camouflage technology, image recognition at micro-scale, image processing method based on HDR, and the optimal relationship between spatial resolution and four-dimensional (4D) LF information acquisition. LF imaging has achieved great success in various studies. Over the past 25 years, more than 180 publications have reported the capability of LF imaging in solving problems. We summarize these reports to make it easier for researchers to search the detailed methods for specific solutions.

Keywords： Light field imaging     Camera array     Microlens array     Epipolar plane image     Computer vision    

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Decoupling methods of MIMO antenna arrays for 5G applications: a review Review Articles

Xiao-xi ZHANG, Ai-di REN, Ying LIU

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 62-71 doi: 10.1631/FITEE.1900466

Abstract: Multiple-input multiple-output (MIMO) technique is a key technique for communication in the future. It can effectively enhance channel capacity. For future fifth-generation (5G) terminals, it is still a challenging task to realize desirable isolation within a compact size. To achieve an acceptable isolation level, many decoupling methods have been developed. We review the most recent research on decoupling methods, including the employment of external decoupling structures, orthogonal modes, and reduction of ground effect, and discuss the development trends of the MIMO array in 5G smartphones.

Keywords： MIMO array     5G smartphone     Decoupling methods    

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Efficient synthesis of titania nanotubes and enhanced photoresponse of Pt decorated TiO

Yuxin YIN, Xin TAN, Feng HOU, Lin ZHAO

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 3,   Pages 298-304 doi: 10.1007/s11705-009-0019-6

Abstract: We investigated the effect of HMT (hexamethylenetetraamine) on the anodic growth of TiO nanotube arrays

Keywords： TiO2 nanotube arrays     HMT     TiO2/Pt     Photocurrent density    

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Fabrication, modification and environmental applications of TiO

S. ROHANI, T. ISIMJAN, A. MOHAMED, H. KAZEMIAN, M. SALEM, T. WANG

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1,   Pages 112-122 doi: 10.1007/s11705-011-1144-6

Abstract: Highly ordered nanotube arrays of titania were produced by anodization and mild sonication.The band gap energy of the titania nanotube arrays was reduced to 2.6 eV by co-doping with Fe, C, N atomsthe initial concentration of phenol by using a composite nanomaterial consisting of titania nanotube arrays

Keywords： TiO2 nanotube arrays and nanoparticles     anodization     bandgap modification     layer-by-layer deposition    

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Photoelectrocatalytic generation of H and S from toxic HS by using a novel BiOI/WO nanoflake array photoanode

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 744-751 doi: 10.1007/s11708-021-0775-7

Abstract: was proposed using a novel bismuth oxyiodide (BiOI)/ tungsten trioxide (WO3) nano-flake arrays

Keywords： bismuth oxyiodide (BiOI)/ tungsten trioxide (WO3) nano-flake arrays (NFA)     photoelectrocatalytic    

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Title Author Date Type Operation

Micro-optical fabrication by ultraprecision diamond machining and precision molding

Hui LI, Likai LI, Neil J. NAPLES, Jeffrey W. ROBLEE, Allen Y. YI

Journal Article

Engineering the grain boundary: a promising strategy to configure NiCoPO/NiCoP nanowire arrays for ultra-stable

Journal Article

Erratum to: Polypyrrole@NiCo hybrid nanotube arrays as high performance electrocatalyst for hydrogen

Shenghua Ye, Gaoren Li

Journal Article

Tuning the electronic structure of NiCoP arrays through V doping for pH-universal hydrogen evolution

Yu Lin, Jinlei Wang, Duanlin Cao, Yaqiong Gong

Journal Article

Nickel nanopore arrays as promising current collectors for constructing solid-state supercapacitors with

Huaping Zhao, Long Liu, Yaoguo Fang, Ranjith Vellacheri, Yong Lei

Journal Article

Construction of NiCoO nanoflake arrays on cellulose-derived carbon nanofibers as a freestanding electrode

Journal Article

Polypyrrole@NiCo hybrid nanotube arrays as high performance electrocatalyst for hydrogen evolution reaction

Shenghua Ye, Gaoren Li

Journal Article

Recent advancements in optical microstructure fabrication through glass molding process

Tianfeng ZHOU,Xiaohua LIU,Zhiqiang LIANG,Yang LIU,Jiaqing XIE,Xibin WANG

Journal Article

Decoration of vertically aligned TiO

Heba ALI, N. ISMAIL, M. S. AMIN, Mohamed MEKEWI

Journal Article

Development and applications of functional gene microarrays in the analysis of the functional diversity, composition, and structure of microbial communities

Zhili HE, Joy D. VAN NOSTRAND, Ye DENG, Jizhong ZHOU

Journal Article

Light field imaging for computer vision: a survey

Chen JIA, Fan SHI, Meng ZHAO, Shengyong CHEN

Journal Article

Decoupling methods of MIMO antenna arrays for 5G applications: a review

Xiao-xi ZHANG, Ai-di REN, Ying LIU

Journal Article

Efficient synthesis of titania nanotubes and enhanced photoresponse of Pt decorated TiO

Yuxin YIN, Xin TAN, Feng HOU, Lin ZHAO

Journal Article

Fabrication, modification and environmental applications of TiO

S. ROHANI, T. ISIMJAN, A. MOHAMED, H. KAZEMIAN, M. SALEM, T. WANG

Journal Article

Photoelectrocatalytic generation of H and S from toxic HS by using a novel BiOI/WO nanoflake array photoanode

Journal Article