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Generative pre-trained transformers(GPT)-based automated data mining for building energy management:Advantages,limitations and the future

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Energy and Built Environment 2024年第1期5卷 143-169页

作者： Chaobo Zhang Jie Lu Yang Zhao Institute of Refrigeration and Cryogenics Zhejiang UniversityHangzhouChina Department of the Built Environment Eindhoven University of TechnologyEindhovenThe Netherlands Key Laboratory of Clean Energy and Carbon Neutrality of Zhejiang Province Jiaxing Research InstituteZhejiang UniversityJiaxingChina

Advanced data mining methods have shown a promising capacity in building energy ***,in the past decade,such methods are rarely applied in practice,since they highly rely on users to customize solutions according to the characteristics of target building energy ***,the major barrier is that the practical applications of such methods remain *** is necessary to enable computers to have the human-like ability to solve data mining *** pre-trained transformers(GPT)might be capable of addressing this issue,as some GPT models such as GPT-3.5 and GPT-4 have shown powerful abilities on interaction with humans,code generation,and inference with common sense and domain *** study explores the potential of the most advanced GPT model(GPT-4)in three data mining scenarios of building energy management,i.e.,energy load prediction,fault diagnosis,and anomaly detection.A performance evaluation framework is proposed to verify the capabilities of GPT-4 on generating energy load prediction codes,diagnosing device faults,and detecting abnormal system operation *** is demonstrated that GPT-4 can automatically solve most of the data mining tasks in this domain,which overcomes the barrier of practical applications of data mining methods in this *** the exploration of GPT-4,its advantages and limitations are also discussed comprehensively for revealing future research directions in this domain.

关键词： ChatGPT GPT-4 Artificial general intelligence Data mining Building energy management

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Double-cliff-layer uni-traveling-carrier photodiode with high responsivity and ultra-broad bandwidth

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Chinese Optics Letters 2024年第5期22卷 100-105页

作者：韩亚茹田雨欣熊兵孙长征王健郝智彪韩彦军汪莱李洪涛甘霖罗毅 Beijing National Research Center for Information Science and Technology(BNRist) Department of Electronic EngineeringTsinghua UniversityBeijing 100084China Flexible Intelligent Optoelectronic device and Technology Center Institute of Flexible Electronics Technology of THUJiaxing 314006China

A novel backside-illuminated double-cliff-layer uni-traveling-carrier(DCL-UTC)photodiode with both high responsivity and ultra-broad bandwidth is designed and demonstrated.A thick absorption layer is adopted for high responsivity,and a depletion region with double cliff layers is proposed to alleviate the space charge effect and maintain overshoot electron velocity under large *** addition,inductive coplanar waveguide electrodes are employed to enhance the frequency response *** 6-μm-diameter photodiode exhibits a high responsivity of 0.51 A/W and a large 3-dB bandwidth of 102 GHz.A high RF output power of 2.7 dBm is recorded at 100 GHz.

关键词： uni-traveling-carrier photodiode high responsivity broad bandwidth

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Robust thin-film lithium niobate modulator on a silicon substrate with backside holes

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Chinese Optics Letters 2024年第5期22卷 17-21页

作者：王迈祁璐王浩华阮子良陈耿鑫陈斌龚胜琪陈楷旋刘柳 State Key Laboratory of Extreme Photonics and Instrumentation College of Optical Science and EngineeringInternational Research Center for Advanced PhotonicsZhejiang UniversityHangzhou 310058China Guangdong Provincial Key Laboratory of Optical Information Materials and Technology South China Academy of Advanced OptoelectronicsSouth China Normal UniversityHigher-Education Mega-CenterGuangzhou 510006China National Center for International Research on Green Optoelectronics South China Normal UniversityGuangzhou 510006China jiaxing Key Laboratory of Photonic Sensing&Intelligent Imaging Intelligent Optics&Photonics Research CenterJiaxing Research InstituteZhejiang UniversityJiaxing 314000China

Recently,Mach–Zehnder modulators based on thin-film lithium niobate have attracted broad interest for their potential for high modulation bandwidth,low insertion loss,high extinction ratio,and high modulation *** periodic capacitively loaded traveling-wave electrode is optimally adopted for ultimate high-performances in this type of ***,such an electrode structure on a silicon substrate still suffers from the velocity mismatch and substrate leakage loss for microwave ***,we introduce a thin-film lithium niobate modulator structure using this periodic capacitively loaded electrode on a silicon *** holes in the silicon substrate are prepared to solve robustly the above *** fabricated device exhibits an insertion loss of 0.9 dB,a halfwave-voltage–length product of 2.18 V·cm,and an ultra-wide bandwidth well exceeding 67 GHz for a 10-mm-long *** transmissions with rates up to 112 Gb/s are *** proposed structure and fabrication strategy are compatible for other types of monolithic and heterogeneous integrated thin-film lithium niobate modulators on a silicon substrate.

关键词： lithium niobate electro-optic modulator high bandwidth backside holes robust structure

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Water-responsive 4D printing based on self-assembly of hydrophobic protein “Zein” for the control of degradation rate and drug release

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生物活性材料(英文) 2023年第5期23卷 343-352页

作者： Yubei Zhang Ali Raza Ya-Qi Xue Ganggang Yang Uzma Hayat Jingwen Yu Chang Liu Hua-Jie Wang Jin-Ye Wang School of Biomedical Engineering Shanghai Jiao Tong University800 Dongchuan RoadShanghai200240China jiaxing yaojiao medical device co.ltd. 321 Jiachuang RoadJiaxing314032China Department of Urology Tongren HospitalSchool of MedicineShanghai Jiao Tong University1111 Xianxia RoadShanghaiChina

Four-dimensional(4D)printing is a promising technology that provides solutions for compelling needs in various *** of the reported 4D printed systems are based on the temporal shape transformation of printed *** of temporal heterogenicity in functions in addition to shape may extend the scope of 4D ***,we report a 4D printing approach using plant protein(zein)gel inspired by the amyloid fibrils formation *** printing of zein gel in a specialized layered-Carbopol supporting bath with different water concentrations in an ethanol-water mixture modulates hydrophobic and hydrogen bonding that causes temporal changes in *** part of the construct printed in a supporting bath with higher water content exhibits higher drug loading,faster drug release and degradation than those printed in the supporting bath with lower water ***-segment conduit and butterfly-shaped construct with two asymmetrical wings are printed using this system to evaluate biomedical function as nerve conduit and drug delivery system.4D printed conduits are also effective as a drug-eluting urethral stent in the porcine ***,this study extends the concept of 4D printing beyond shape transformation and presents an approach of fabricating specialized baths for 4D printing that can also be extended to other materials to obtain 4D printed medical devices with translational potential.

关键词： Zein gels Water-driven 4D printing Protein self-assembly Tunable degradation controlled drug release

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Photonics-assisted THz wireless communication enabled by wide-bandwidth packaged backilluminated modified uni-traveling-carrier photodiode

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Opto-Electronic Science 2024年第7期3卷 20-29页

作者： Yuxin Tian Boyu Dong Yaxuan Li Bing Xiong Junwen Zhang Changzheng Sun Zhibiao Hao Jian Wang Lai Wang Yanjun Han Hongtao Li Lin Gan Nan Chi Yi Luo Beijing National Research Center for Information Science and Technology(BNRist) Department of Electronic EngineeringTsinghua UniversityBeijing 100084China Key Laboratory of Information Science of Electromagnetic Waves(MoE) Department of Communication Science and EngineeringFudan UniversityShanghai 200433China Flexible Intelligent Optoelectronic device and Technology Center Institute of Flexible Electronics Technology of THUJiaxing 314000China

This paper presents a wide-bandwidth back-illuminated modified uni-traveling-carrier photodiode(MUTC-PD)packaged with standard WR-5 rectangular waveguide for high-speed wireless *** optimized epitaxy structure and coplanar waveguide electrodes,the fabricated 4-μm-diameter PD exhibits ultra-flat frequency response and high saturation *** passive circuits including low-loss bias-tee and E-plane probe are designed to package the PD into a compact module with waveguide *** packaged PD module has demonstrated a flat frequency response with fluctuations within±2.75 d B over a broadband of 140–220 GHz and a high saturated output power of-7.8 d Bm(166μW)at 140 *** wireless communication applications,the packaged PD is used to implement 1-m free space transmission at carrier frequencies of 150.5 and 210.5 GHz,with transmission rates of 75 and 90 Gbps,respectively.

关键词： modified uni-traveling-carrier photodiode integrated bias-tee E-plane probe flat frequency response high saturation power WR-5 output THz wireless communications

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Anisotropy-free arrayed waveguide gratings on X-cut thin film lithium niobate platform of in-plane anisotropy

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Light(Science & Applications) 2024年第7期13卷 1416-1426页

作者： Junjie Yi Changjian Guo Ziliang Ruan Gengxin Chen Haiqiang Wei Liwang Lu Shengqi Gong Xiaofu Pan Xiaowan Shen Xiaowei Guan Daoxin Dai Kangping Zhong Liu Liu State Key Laboratory of Extreme Photonics and Instrumentation College of Optical Science and EngineeringInternational Research Center for Advanced PhotonicsZhejiang UniversityHangzhou 310058China. Guangdong Provincial Key Laboratory of Optical Information Materials and Technology South China Academy of Advanced OptoelectronicsSouth China Normal UniversityHigher-Education Mega-CenterGuangzhou 510006China. National Center for International Research on Green Optoelectronics South China Normal UniversityGuangzhou 510006China Photonics Research Institute Department of Electrical and Electronic EngineeringThe Hong Kong Polytechnic UniversityHung HomKowloonHong Kong(SAR)China. jiaxing Key Laboratory of Photonic Sensing&Intelligent Imaging Intelligent Optics&Photonics Research CenterJiaxing Research Institute Zhejiang UniversityJiaxing 314000China

Arrayed waveguide grating is a versatile and scalable integrated light dispersion device,which has been widely adopted in various applications,including,optical communications and optical ***,thin-film lithium niobate emerges as a promising photonic integration platform,due to its ability of shrinking largely the size of typical lithium niobate based optical *** would also enable multifunctional photonic integrated chips on a single lithium niobate ***,due to the intrinsic anisotropy of the material,to build an arrayed waveguide grating on X-cut thin-film lithium niobate has never been ***,a universal strategy to design anisotropyfree dispersive components on a uniaxial in-plane anisotropic photonic integration platform is introduced for the first *** leads to the first implementation of arrayed waveguide gratings on X-cut thin-film lithium niobate with various configurations and *** best insertion loss of 2.4 dB and crosstalk of−24.1 dB is obtained for the fabricated arrayed waveguide grating *** of such arrayed waveguide gratings as a wavelength router and in a wavelength-division multiplexed optical transmission system are also demonstrated.

关键词： waveguide arrayed lithium

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Photothermal-photocatalytic thin-layer flow system for synergistic treatment of wastewater

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Chinese Journal of Chemical Engineering 2023年第11期63卷 120-129页

作者： Zhongjiao Zha Jun Wu Shaoping Tong Xuebo Cao college of Chemical Engineering State Key Laboratory Breeding Base of Green Chemistry-Synthesis TechnologyZhejiang University of TechnologyHangzhou 310014China college of Biological Chemical Sciences and EngineeringJiaxing UniversityJiaxing 314001China college of Advanced Materials Engineering Jiaxing Nanhu UniversityJiaxing 314001China

The integration of the photocatalytic effect into solar steam is highly desirable for addressing freshwater shortages and water ***,a ternary film structure for the adsorption and photothermal and photocatalytic treatment of wastewater was designed by combining the technique of self-assembled carbon nano paper with a nitrogen composite titanium dioxide(N-TiO_(2))deposited on the surface of carbon nanotubes(CNT)using polyvinylidene fluoride(PVDF)as a *** photogeneration of reactive oxygen species can be promoted by rapid oxygen diffusion at the three-phase interface,whereas the interfacial photothermal effect promotes subsequent free radical reactions for the degradation of rhodamine B(93%).The freshwater evaporation rate is 1.35 kg·m^(-2)·h^(-1)and the solar-to-water evaporation efficiency is 94%.Importantly,the N-TiO_(2)/CNT/PVDF(N-TCP)film not only effectively resists mechanical damage from the environment and maintains structural integrity,but can also be made into a large film for outdoor experiments in a large solar energy conversion device to collect fresh water from polluted water and degrade organic dyes in source water simultaneously,opening the way for applications in energy conversion and storage.

关键词： Wastewater disposal Solar-driven distill Thin-layer flow Clean water production Ternary film

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Weakening co poisoning over size-and support-dependent Pt_(n)/X-graphene catalyst(X=C,B,N,n=1-6,13)

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Rare Metals 2023年第4期42卷 1138-1145页

作者： An-Qi Dong Hui Li Han-Ming Wu Kai-Xiang Li Yuan-Kai Shao Zhen-Guo Li Shu-Hui Sun Wei-Chao Wang Wei-Bo Hu Department of Electronics and Tianjin Key Laboratory of Photo-Electronic Thin Film device and Technology Nankai UniversityTianjin300071China college of Information Science and Engineering Jiaxing UniversityJiaxing314001China Zhejiang Engineering Research Center of Intelligent Human Health Situation Awareness Jiaxing UniversityJiaxing314001China National Engineering Laboratory for Mobile Source Emission control Technology China Automotive Technology&Research Center Co.LtdTianjin300300China Institute National de la Recherche Scientifique(INRS) CentreÉnergie Matériaux et TélécommunicationsVarennesQuébecJ3X 1P7Canada college of Electronic Information and Optical Engineering Nankai UniversityTianjin300071China

co poisoning is one of the obstacles for platinum catalysts toward the electro-catalysis process for proton exchange membrane fuel cell(PEMFC)or direct methanol fuel cell(DMFC).Herein,we aim to weaken the co poisoning... 详细信息

关键词： sizes methanol size

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Principle of Melt-glue Cloth

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Journal of Donghua University(English Edition) 2003年第1期20卷 39-42页

作者：陈人豪曹建达李济群张利梅何洋 Department of Textile Engineering Tianjin Polytechnic University Tianjin 300160 Department of Art and Design College of Jiaxing Jiaxing 314001

This paper advances a new concept of textile-meltglue cloth, and introduces the readers to the basic principle of melt-glue cloth. On the basis of melt spinning, the spinneret can be replaced by a spinning device that consists of an outer spinneret (a loop)and an inner spinneret ( a round plate), and between them there is an interval circle on which the centers of the holes are evenly distributed. When the machine is running, the outer spinneret (or the inner one) is fixed, the inner spinneret (or the outer one)is spinning, and a columnar net will be *** it will be excided with the help of a cutter in transporting it. Finally the once-forming melt-glue cloth will be produced. compared with the traditional woven fabric, melt-glue cloth has a lot of special features and a bright future of application.

关键词： textile concept principle melt-glue cloth

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Failure mechanisms in flexible electronics

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International Journal of Smart and Nano Materials 2023年第4期14卷 510-565页

作者： Zhehui Zhao Haoran Fu Ruitao Tang Bocheng Zhang Yunmin Chen Jianqun Jiang MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering Zhejiang UniversityHangzhouChina Department of Civil Engineering Zhejiang UniversityHangzhouChina R&D department Wuxi Innosonics Medical Technology CoLtdWuxiChina R&D Department of devices and processes Jiashan Fudan InstituteJiaxingChina

The rapid evolution of flexible electronic devices promises to revolutionize numerous fields by expanding the applications of smart ***,despite this vast potential,the reliability of these innovative devices currently falls short,especially in light of demanding operation environment and the intrinsic challenges associated with their fabrication *** heterogeneity in these processes and environments gives rise to unique failure modes throughout the devices'*** significantly enhance the reliability of these devices and assure long-term performance,it is paramount to comprehend the underpinning failure mechanisms thoroughly,thereby,enabling,optimal design solutions.A myriad of investigative efforts have been dedicated to unravel these failure mechanisms,utilizing a spectrum of tools from analytical models,numerical methods,to advanced characterization *** review delves into the root causes of device failure,scrutinizing both the fabrication process and the operation ***,We subsequently address the failure mechanisms across four commonly observed modes:strength failure,fatigue failure,interfacial failure,and electrical failure,followed by an overview of targeted characterization methods associated with each *** with an outlook,we spotlight ongoing challenges and promising directions for future research in our pursuit of highly resilient flexible electronic devices.

关键词： Flexible electronic devices failure mechanisms characterization methods

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