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965 results on '"Li, Hairong"'

8. Simple regulation of dielectric pulsing properties of polyethylene glycol-poly(vinylidene fluoride) coaxial nanofiber films based on blow-spinning process

Author

Li, Zhenzhen, Gong, Yutie, Li, Hairong, Xu, Aihua, Wang, Lina, Gong, Xue, and Jiang, Ming

Subjects
Polyvinylidene fluoride -- Production processes -- Mechanical properties -- Analysis, Electrical conductivity -- Mechanical properties -- Analysis, Costs (Law) -- Mechanical properties -- Analysis, Dielectrics -- Analysis -- Mechanical properties, Polyethylene glycol -- Analysis -- Mechanical properties -- Production processes, Fluorides -- Production processes -- Analysis -- Mechanical properties, Engineering and manufacturing industries, Science and technology
Abstract

Understanding the relationship between the fabrication process and the dielectric behavior of thermo-responsive dielectric materials and accordingly optimizing the dielectric response behavior through simple regulation is critical to advancing their practical applications. For this purpose, we systematically analyze and demonstrate the effects of blow-spinning process parameters, the feed rate and airflow pressure, on the orientation of poly(vinylidene fluoride) (PVDF) chains, the individual phase fractions of PVDF, the structure of the core-sheath nanofibers, the mechanical properties, and the dielectric pulsing properties in polyethylene glycol (PEG)-PVDF core-sheath fiber films, and achieve the goal of effectively regulating the thermo-responsive dielectric behavior. In particular, by increasing the airflow pressure, the polar phase fraction of the PVDF can be effectively increased, thus strengthening the dielectric pulsing effect. The significant influence of the processing parameters on the nanofiber structure also allows us to tailor the strength and toughness of the nanofiber films over a wide range by adjusting the feed rate and airflow pressure. Our work shows that the regulation of feed rate and airflow pressure can be used as an effective strategy to optimize the dielectric pulsing and mechanical properties of PEG-PVDF films, enabling a simple and low-cost performance optimization of thermo-responsive dielectric materials. Highlights * Effective regulation of thermal dielectric behavior by tuning process parameters. * Simple tuning of mechanical properties of nanofiber films over a wide range. * High ratio of [beta]- and [gamma]-phases of PVDF by solution blow spinning. * Major polar phases contribute to improved mechanical and dielectric properties. KEYWORDS blow spinning, coaxial nanofiber, dielectric pulse, processing, PVDF, 1 | INTRODUCTION Nowadays, electrical energy storage and conversion, sensing, information storage, and communication are the most important actual and potential applications for dielectric materials. (1-6) In particular, electrical energy [...]

Published
2023
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26. Artificial empathy in marketing interactions: Bridging the human-AI gap in affective and social customer experience

Author

Liu-Thompkins, Yuping, Okazaki, Shintaro, and Li, Hairong

Subjects
Artificial intelligence -- Usage, Empathy -- Analysis -- Usage, Customer relations -- Methods, Marketing -- Methods, Artificial intelligence, Advertising, marketing and public relations, Business
Abstract

Artificial intelligence (AI) continues to transform firm-customer interactions. However, current AI marketing agents are often perceived as cold and uncaring and can be poor substitutes for human-based interactions. Addressing this issue, this article argues that artificial empathy needs to become an important design consideration in the next generation of AI marketing applications. Drawing from research in diverse disciplines, we develop a systematic framework for integrating artificial empathy into AI-enabled marketing interactions. We elaborate on the key components of artificial empathy and how each component can be implemented in AI marketing agents. We further explicate and test how artificial empathy generates value for both customers and firms by bridging the AI-human gap in affective and social customer experience. Recognizing that artificial empathy may not always be desirable or relevant, we identify the requirements for artificial empathy to create value and deduce situations where it is unnecessary and, in some cases, harmful., Author(s): Yuping Liu-Thompkins [sup.1] , Shintaro Okazaki [sup.2] , Hairong Li [sup.3] Author Affiliations: (1) grid.261368.8, 0000 0001 2164 3177, Strome College of Business, Old Dominion University, , 2123 Constant [...]

Published
2022
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27. Thermo-responsive dielectric pulse in poly(vinylidene fluoride)/polyethylene glycol fibrous mats

Author

Zhou, Weijie, Gong, Yutie, Li, Hairong, Huang, Jing, Liu, Qiongxin, Wang, Wei, Qu, Xiaoyuan, Jiang, Ming, and Sun, Jiuxiao

Subjects
Polyvinylidene fluoride -- Thermal properties -- Electric properties, Thermoelectricity -- Observations, Polyethylene glycol -- Thermal properties -- Electric properties, Engineering and manufacturing industries, Science and technology
Abstract

Abstract Thermo-responsive dielectric materials have attracted broad attention in smart electronic device applications. Here, we present a facile one-step fabrication technique of thermo-responsive dielectric fibrous mats via efficient solution blow [...]

Published
2022
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33. Thermal-induced dielectric response in mechanically durable polyvinylidene fluoride-kapok encapsulated polyethylene glycol composite films

Author

Gong, Yutie, Li, Zhenzhen, Li, Hairong, Wu, Wenqi, Pei, Xianglin, Tu, Junyang, Zhou, Weijie, Jiang, Ming, and Gong, Wei

Subjects
Polyvinylidene fluoride -- Usage, Dielectrics -- Composition, Polyethylene glycol -- Usage, Engineering and manufacturing industries, Science and technology
Abstract

Dielectric materials with thermally responsive property are being pursued in fields such as next-generation sensors, smart switches, and novel actuators. These applications require that the dielectric materials have mechanical durability and stable serviceability besides thermally responsive dielectric behavior. Herein, we report a novel thermally responsive, mechanically durable, and low-cost dielectric composite simply fabricated by vacuum impregnating polyethylene glycol (PEG) into kapok fiber and compounding them with polyvinylidene fluoride. A remarkable dielectric susceptibility, controlled dielectric transition temperature, and obvious thermal hysteresis of the composite films induced by the solid-liquid phase transition of PEG are demonstrated. The effect of molecular weights of PEG on the dielectric response behaviors is evaluated. Such thermally responsive dielectric materials with satisfactory mechanical durability will offer a chance toward constructing thermally responsive systems for reliable and stable operation. KEYWORDS dielectric response, kapok fiber, polarization, polyethylene glycol, polyvinylidene fluoride, temperature, 1 | INTRODUCTION Thermally responsive dielectric materials have received increasing attention in the last decade because of their ability to undergo dielectric transitions in response to temperature stimuli.[1-4] These materials [...]

Published
2022
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45. Enhanced Performance of Carbon Quantum Dots Based Organic Solar Cells

Author

Fan, Wenhao, Li, Hairong, Zhang, Huan, Cai, Lina, Wang, Jianan, Wang, Xudong, Wang, Yongchang, Tang, Ying, Song, Yuzhe, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zhang, Junjie James, Series Editor, Peng, Yingquan, editor, and Dong, Xinyong, editor

Published
2021
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46. High Performance Gas Sensor Based on ZnO/CuO Heterostructures

Author

Cai, Lina, Li, Hairong, Zhang, Huan, Fan, Wenhao, Wang, Jianan, Wang, Yongchang, Wang, Xudong, Tang, Ying, Song, Yuzhe, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zhang, Junjie James, Series Editor, Peng, Yingquan, editor, and Dong, Xinyong, editor

Published
2021
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