Article
Chemistry, Physical
Ren Yan, Qizeng Sun, Xuewen Shi, Zhaoqing Sun, Shenxing Tan, Biao Tang, Wenting Chen, Fei Liang, Hai-Dong Yu, Wei Huang
Summary: In this study, a novel biomass-based hydrogel (FG-Ag hydrogel) was developed by integrating fish gelatin into polymer networks with in-situ formation of silver nanoparticles. The FG-Ag hydrogel exhibited great stretchability, excellent sensitivity, and strong self-adhesion. It also showed robust antibacterial activity and could be used for wearable strain sensors and real-time strain monitoring systems. The FG-Ag hydrogel demonstrated the potential to reduce bacterial infection and promote wound healing.
Article
Nanoscience & Nanotechnology
Li Dong, Mingxu Wang, Jiajia Wu, Chunhong Zhu, Jian Shi, Hideaki Morikawa
Summary: In this study, a novel dual-network conductive hydrogel was developed, which possessed adhesive, self-healable, deformable, and conductive properties. The hydrogel was used to fabricate a strain sensor for monitoring human motion and also served as a deformable triboelectric nanogenerator (D-TENG) for harvesting mechanical energy. This research provides a potential approach for the development of deformable energy sources and self-powered strain sensors.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Applied
Yang Hu, Meng Zhang, Chaoran Qin, Xinyi Qian, Lina Zhang, Jinping Zhou, Ang Lu
Summary: In this study, flexible, transparent, and conductive cellulose hydrogels were directly fabricated by regenerating chemically cross-linked cellulose in NaCl aqueous solution. NaCl played a dominant role in optimizing the mechanical, optical, conductive, and anti-freezing properties of the hydrogel. The cellulose hydrogel demonstrated good performance at low temperatures and sensors and nanogenerators based on it showed stable sensitivity and response.
CARBOHYDRATE POLYMERS
(2021)
Article
Nanoscience & Nanotechnology
Kangshuai Li, Dongzhi Zhang, Hao Zhang, Dongyue Wang, Zhenyuan Xu, Haolin Cai, Hui Xia
Summary: In this paper, a composite hydrogel composed of polyacrylamide, hydroxypropylmethylcellulose, and MXene (Ti3C2Tx) nanosheets was developed, which formed a stable double-chain structure by hydrogen bonding. Based on the excellent properties of the hydrogel, a flexible and multifunctional triboelectric nanogenerator (PHM-TENG) was prepared, which can collect biomechanical energy and convert it to 183 V with a maximum power density of 78.3 mW/m(2). This work holds great potential in providing a green power source for miniature electronics and developing intelligent systems for handwriting recognition.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Yule Cao, Yinben Guo, Zixi Chen, Weifeng Yang, Kerui Li, Xingyu He, Jianmin Li
Summary: By utilizing crumpled MXene film as the single-electrode mode TENG, a self-powered pressure and strain sensor with high sensitivity and stretchability was achieved.
Article
Nanoscience & Nanotechnology
Hao Zhang, Dongzhi Zhang, Zihu Wang, Guangshuai Xi, Ruiyuan Mao, Yanhua Ma, Dongyue Wang, Mingcong Tang, Zhenyuan Xu, Huixin Luan
Summary: In this study, an ionic hydrogel (PTSM) was developed for wearable electronic devices and virtual reality technology. The hydrogel showed excellent stretchability, adhesion, and self-healing due to the multiple weak H-bonds. The addition of MXene nanosheets resulted in a high gauge factor for the hydrogel sensor and improved energy harvesting efficiency for triboelectric nanogenerators (PTSM-TENGs). A glove-based human-computer interaction (HMI) system was created using PTSM-TENGs, enabling gesture visualization and robot hand control. The system also demonstrated potential for object recognition through triboelectric signals and machine learning techniques.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Qianqian Zhu, Weiqiang Liao, Cong Sun, Xuan Qin, Fangjia Zhang, Haifeng Ji, Yuqi Li, Zhen Wen, Xuhui Sun
Summary: This study proposes a thermally stable and stretchable ionogel-based triboelectric nanogenerator (SI-TENG) for biomechanical energy collection. The SI-TENG exhibits high temperature stability, stretchability, and washability, and the output performance can be further improved by adding nano SiO2 to the triboelectric layer. It can be used as a self-powered motion sensor to detect the amplitude and frequency changes of finger bending, human swallowing, nodding, and shaking of the head.
Article
Chemistry, Physical
Yiwei Zhang, Yu Dai, Fan Xia, Xiaojin Zhang
Summary: This study presents a gelatin/polyacrylamide double network ionic conductive hydrogel with skin temperature-triggered adhesion and low temperature-triggered detachment. The hydrogel exhibits excellent stretchability, compressibility, and conductivity, enabling it to be used in applications such as sensing human movement and harvesting low-grade body heat.
Article
Engineering, Manufacturing
Zixuan Zhou, Weizhong Yuan
Summary: In the field of wearable devices, hydrogel has gained popularity as a new material due to its flexibility and multifunctionality. However, practical applications still face challenges in meeting the requirements for flexible electronic devices. This study successfully developed a stretchable, self-adhesive, anti-freezing, and moisturizing ion-conductive organohydrogel. The organohydrogel exhibits adjustable optical properties in different solvents and serves as an excellent strain sensor with real-time responsiveness to various strains, pressures, and human body, as well as an efficient energy harvester when combined with Ecoflex elastomers.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2023)
Article
Chemistry, Physical
Wei Zhang, Pei-Lin Wang, Ling-Zhi Huang, Wen-Yan Guo, Jinjin Zhao, Ming-Guo Ma
Summary: This study utilizes cellulose nanofiber stabilized liquid metal droplets to construct a hydrogel with high stretchability and environmental adaptability, which is used for flexible electrodes and multifunctional sensors. The hydrogel demonstrates excellent temperature sensing, deformation sensing, and antibacterial properties.
Article
Chemistry, Physical
Guanjun Zhu, Penggang Ren, Junjun Yang, Jie Hu, Zhong Dai, Hongtao Chen, Yanhao Li, Zhongming Li
Summary: This study develops a self-powered multi-mode flexible sensing system based on thermoplastic polyurethane film, which integrates TENG, FSSC, and strain sensor, and prepares the strain sensor with a unique conductive network through screen printing process. The system can provide continuous power supply and demonstrate excellent sensing performance in wearable devices.
Article
Chemistry, Physical
Jong-Nam Kim, Jeehee Lee, Haeshin Lee, Il-Kwon Oh
Summary: A highly stretchable and self-healable hydrogel conductor was synthesized using marine biomaterials, which was used for energy harvesting and health monitoring in Parkinson's disease patients. The self-powered tremor sensor, incorporating a machine learning algorithm, was able to identify the health conditions of PD patients.
Article
Engineering, Electrical & Electronic
Latafat Ara, Mansoor Khan, Rafi Ullah, Luqman Ali Shah
Summary: The potential uses of strain-sensitive and conductive hydrogels have attracted great scientific interest in various sectors. This study presents a simple and effective method to create stretchable and conductive hydrogels with remarkable sensitivity, excellent mechanical characteristics, and shape-recovery properties. These hydrogels can be used for sensing and detecting human movements and as metallic touch pens for electronic devices.
SENSORS AND ACTUATORS A-PHYSICAL
(2023)
Article
Materials Science, Composites
Xu Yang, Chunyan Xu, Kaiyue Feng, Liying Yang, Shougen Yin
Summary: In this study, a flexible and multifunctional conductive textile with remarkable conductivity and Joule heating properties was fabricated for applications in wearable heaters and on-skin sensors. The textile demonstrated excellent energy harvesting capability and fast Joule heating response. The study provides a simple, lightweight, and effective system with integrated superior sensing and electro-thermal conversion characteristics, which are highly desirable for wearable electronics, intelligent electronics, and personal self-heating systems.
COMPOSITES COMMUNICATIONS
(2023)
Article
Chemistry, Physical
Guang Li, Shuying Wu, Zhao Sha, Liya Zhao, Dewei Chu, Chun H. Wang, Shuhua Peng
Summary: In the era of IoTs, triboelectric nano-generators (TENGs) are widely researched for self-powered sensing due to their high efficiency, versatile configuration, and low cost. However, the inherent variation of TENG outputs limits their direct use as primary sensing signals. To solve this issue, a new method is proposed to extract the sensing signal that is independent of TENG output variations. This method accurately determines applied strain using the ratio of currents in two parallel branches, eliminating the effect of output variations and providing a self-powered sensing solution.
Article
Materials Science, Multidisciplinary
Maolin Yu, Peisheng Zhang, Le Liu, Han Wang, Hong Wang, Chonghua Zhang, Yong Gao, Chuluo Yang, Jiaxi Cui, Jian Chen
Summary: Novel photoswitchable tristate fluorescent polymeric nanoparticles can reversibly switch emission among different states, making them suitable for anticounterfeiting, data storage, and information encryption.
ADVANCED OPTICAL MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Yang Tang, Yuan Liu, Weiming Ning, Lisi Zhan, Junqiao Ding, Maolin Yu, Hengjia Liu, Yuhan Gao, Guohua Xie, Chuluo Yang
Summary: In this study, efficient solution-processed red PhOLEDs were successfully designed and demonstrated by introducing different thermally activated delayed fluorescence (TADF) hosts, achieving a high maximum external quantum efficiency (EQE) of up to 22.2%. Additionally, TADF hosts with added hindrance units played a role in achieving low efficiency roll-off without sacrificing EQE. Furthermore, ternary-blended solution-processed PhOLEDs showed easy color tuning from red to white.
JOURNAL OF MATERIALS CHEMISTRY C
(2022)
Article
Materials Science, Multidisciplinary
Maolin Yu, Weili Zhao, Fan Ni, Qiang Zhao, Chuluo Yang
Summary: This study presents a two-component photoswitchable TADF polymeric nanoparticle (PDFPNs) that incorporates a TADF molecule and a photochromic spiropyran derivative. The PDFPNs exhibit dual-color fluorescence and variable fluorescence lifetime, addressing the issue of TADF quenching by oxygen. The PDFPNs show high FRET efficiency, rapid photoresponsiveness, and excellent photoreversibility, making them promising for bioimaging.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Chemistry, Applied
Maolin Yu, Yin Chen, Yuecong Luo, Guo Gong, Yutong Zhang, Haihu Tan, Lijian Xu, Jianxiong Xu
Summary: This article describes a novel class of photoresponsive luminescent materials called PUCNPs, which have high-capacity information storage and multilevel anti-counterfeiting capability. These materials exhibit switchable dual-colored emission and can undergo dynamic reversible color changes under different light stimuli. They show great potential in complex information encryption and dynamic anti-counterfeiting patterns, and are expected to play an important role in data storage and rewritable optical materials.
REACTIVE & FUNCTIONAL POLYMERS
(2022)
Article
Chemistry, Multidisciplinary
Jingjing Du, Zhiyu Zhang, Chenchen Yue, Zhaojun Nie, Haihu Tan, Zengmin Tang, Na Li, Lijian Xu, Jianxiong Xu
Summary: In this study, WO3-x hydrate nanosheets with superior electrochromic properties were successfully fabricated using a template/surfactant-free solvothermal method. Films with mesostructured architecture were formed on FTO glass substrates by dip-coating process, and an analog smart window device (ASWD) was assembled. The ASWD exhibited excellent optical modulation range, switching time, coloration efficiency, and cyclic stability.
MATERIALS TODAY CHEMISTRY
(2022)
Article
Biochemistry & Molecular Biology
Jianxiong Xu, Hongyi Zhang, Ziyu Guo, Chaoyang Zhang, Haihu Tan, Guo Gong, Maolin Yu, Lijian Xu
Summary: The article introduces a fully physical crosslinked conductive BSA-MA-PPy/P(AM-co-AA)/Fe3+ hydrogel with excellent mechanical strength, fast self-recovery performance, and good conductivity. It can be used as a strain sensor to monitor joint motion and as a soft electrode in an electrocardiogram device for wireless heart-rate monitoring.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Chemistry, Physical
Lijian Xu, Yin Chen, Maolin Yu, Mengjuan Hou, Guo Gong, Haihu Tan, Na Li, Jianxiong Xu
Summary: Flexible conductive hydrogels with self-healing ability were developed by incorporating dopamine-modified polypyrrole-coated antimony sulfide nanorods into a polymer matrix. The resulting hydrogel exhibited high tensile strength, elongation, and interfacial toughness, as well as excellent sensitivity. The integration of antimony sulfide nanorods improved the conductivity and accelerated the self-healing process under near-infrared light irradiation. The multifunctional hydrogel showed potential applications in strain sensing, biopotential electrodes, and energy harvesting.
Article
Polymer Science
Jingjing Du, Yutong Zhang, Yilin Huang, Qiao Zhang, Wenzhi Wang, Maolin Yu, Lijian Xu, Jianxiong Xu
Summary: In this research, chitosan-based hydrogels with integrated functionalities were easily prepared by solution polymerization. The hydrogel exhibited tough mechanical properties and moderate tissue adhesion due to the dual cross-linking between quaternized carboxymethyl chitosan and acrylamide/sodium p-styrene sulfonate. Furthermore, the hydrogel showed satisfactory biocompatibility, hemocompatibility, and excellent antibacterial ability, and it accelerated epidermal regeneration and wound closure in a rat model for bacterial infection incision.
MACROMOLECULAR RAPID COMMUNICATIONS
(2023)
Article
Polymer Science
Maolin Yu, Yuhan Gao, Ao Ying, Lili Li, Guohua Xie, Shaolong Gong, Xiang Gao, Tao Wang, Chuluo Yang
Summary: In this study, we designed and synthesized a TSCT-based alternating TADF copolymer consisting of non-conjugated poly(maleimide-alt-styrene) as the backbone, acridine as the electron donor, and triazine as the electron acceptor. The solution-processed OLED using the alternating TADF copolymer as the emitter achieved a maximum external quantum efficiency of 20.9%, which was 2.8 times higher than that of the corresponding random copolymer. This highlights the superiority of alternating copolymerization in constructing TSCT-based TADF copolymers.
Article
Chemistry, Multidisciplinary
Shaowen Xie, Yin Chen, Ziyu Guo, Yuecong Luo, Haihu Tan, Lijian Xu, Jianxiong Xu, Jie Zheng
Summary: This study demonstrated a low-cost and biocompatible fluorescent double network hydrogel as an anti-counterfeiting platform, featuring excellent mechanical properties, rapid recoverability, and self-healing capability, making it suitable for the fabrication of smart anti-counterfeiting products.
MATERIALS CHEMISTRY FRONTIERS
(2021)
Article
Chemistry, Physical
Sirinya Ukasi, Paritta Jutapukti, Chiranicha Ninthub, Nattapong Pinpru, Phakkhananan Pakawanit, Wanwilai Vittayakorn, Satana Pongampai, Naratip Vittayakorn, Thitirat Charoonsuk
Summary: This study explores the enhancement of electrical output of flexible hybrid piezoelectric-triboelectric nanogenerators by incorporating gamma-glycine into fully organic composites. The research demonstrates the importance of optimized concentrations of gamma-glycine and chitosan in achieving superior performance. The study identifies the critical content of gamma-glycine that leads to the highest output signal, and provides theoretical explanations for this observation.
Article
Chemistry, Physical
Yoonsang Ra, Yu-seop Kim, Seonmo Yang, Namgyu Kang, Gyuwon Oh, Chungyeon Cho, Sangmin Lee, Dongwhi Choi
Summary: In this study, a portable energy harvester (STEP) was proposed to drive various functional LEDs using biomechanical energy. The roles and functionalities of a triboelectric nanogenerator (TENG) and electromagnetic generator (EMG) in the hybrid energy harvester were experimentally demonstrated, and the necessity of hybridization for LED-involved devices was described. The STEP showed promising potential as an effective energy supply strategy for various functional LEDs in related industries.
Article
Chemistry, Physical
Dae Sol Kong, Kyung Hoon Kim, Ying Chieh Hu, Jong Hun Kim, Inseo Kim, Jeongwan Lee, Joonhyuk Lee, Won Hyuk Shon, Hanjin Yoo, Chul-Un Ro, Seungsu Lee, Hyoungjeen Jeen, Minbaek Lee, Minseok Choi, Jong Hoon Jung
Summary: With the rapid development of the Internet of Things and artificial intelligence, smart home has emerged to fulfill the security, convenience, and energy-saving issues of modern life. A flexoelectric mica crystal is used to augment the finger touch-driven triboelectric output for operating a wireless and multichannel smart home controller. This work provides important ingredients for enhancing triboelectric output and realizing a convenient, multifunctional, cost-effective, and adaptable smart home control system without batteries.
Article
Chemistry, Physical
Yi Han, Fang Wu, Xiaozhen Du, Zihao Li, Haixiang Chen, Dongxing Guo, Junlei Wang, Hong Yu
Summary: This paper presents a novel type of triboelectric nanogenerator that utilizes wind energy, with a Y-type bluff body to enhance vibration and output power. The application of this generator successfully provides power for a wireless temperature and humidity sensor.
Article
Chemistry, Physical
Wen Zhang, Fangyuan Cheng, Miao Chang, Yue Xu, Yuyu Li, Shixiong Sun, Liang Wang, Leimin Xu, Qing Li, Chun Fang, Meng Wang, Yuhao Lu, Jiantao Han, Yunhui Huang
Summary: This study successfully induced the formation of a uniform and robust CEI by constructing ZrO2 nano-rivets on the surface of LCO, stabilizing the surface of high-voltage LCO and facilitating lithium-ion diffusion.
Article
Chemistry, Physical
Karl P. Olson, Laurence D. Marks
Summary: This paper investigates the role of contacting shapes in triboelectricity and provides scaling rules for designing energy harvesting devices.
Article
Chemistry, Physical
Jong-An Choi, Jingu Jeong, Mingyu Kang, Hee-Jin Ko, Taehoon Kim, Keun Park, Jongbaeg Kim, Soonjae Pyo
Summary: Wind-driven triboelectric nanogenerators (WTENGs) are a promising emerging technology for sustainable wind energy harvesting, offering high output performance, lightweight design, and compact dimensions. This study introduces an innovative WTENG design that leverages a rolling-based mechanism to achieve efficient omnidirectional wind energy harvesting.
Article
Chemistry, Physical
Liwei Dong, Qian Tang, Chaoyang Zhao, Guobiao Hu, Shuai Qu, Zicheng Liu, Yaowen Yang
Summary: This paper proposes a novel hybrid scheme for flag-type nanogenerators (FNGs) that enhances their performance and broadens their operational wind speed ranges by harnessing the synergistic potential of two aerodynamic behaviors. The proposed flag-type triboelectric-piezoelectric hybrid nanogenerator (FTPNG) integrates flapping piezoelectric flags (PEFs) and a fluttering triboelectric flag (TEF). The FTPNG achieves significant power generation and a broad wind speed range, surpassing other FNGs, making it suitable for various self-powered systems and Internet of Things applications.
Review
Chemistry, Physical
Yunmeng Li, Xin Liu, Zewei Ren, Jianjun Luo, Chi Zhang, Changyong (Chase) Cao, Hua Yuan, Yaokun Pang
Summary: The demand for green and eco-friendly materials is growing due to increasing environmental concerns related to traditional petroleum-based products. Marine biomaterials have emerged as a promising alternative, thanks to their abundant availability, biocompatibility, biodegradability, and low toxicity. In this review, we discuss the development and applications of triboelectric nanogenerators (TENGs) based on marine biomaterials. The operational modes, foundational principles, intrinsic qualities, and advantages of marine biomaterials commonly used in TENG designs are highlighted. Approaches to enhance the efficacy of TENGs derived from marine biomaterials are also discussed, along with documented applications from existing literature. Furthermore, the existing challenges and future directions in marine biomaterial-inspired TENGs are explored.
Article
Chemistry, Physical
Matthew P. Wells, Adam J. Lovett, Yizhi Zhang, Zhongxia Shang, Kosova Kreka, Babak Bakhit, Haiyan Wang, Albert Tarancon, Judith L. MacManus-Driscoll
Summary: Reversible solid oxide cells (rSOCs) offer a promising solution to efficient energy conversion, but have been limited in portable power and electrolysis applications due to excessive polarisation resistance of the oxygen electrode at low temperatures. This study demonstrates the growth of symmetric and complete rSOC structures with reduced polarisation resistance by tuning oxygen vacancy through annealing, providing a promising route towards high-performance rSOC devices for portable power applications.
Article
Chemistry, Physical
Kangkang Bao, Minghui Wang, Yue Zheng, Panpan Wang, Liwen Yang, Yang Jin, Hui Wu, Bin Sun
Summary: This study utilizes ethanol as an electrolyte additive to modulate the migration of zinc ions and the surface structure of zinc anodes, resulting in improved capacity retention and cycle life of zinc-based aqueous batteries.
Article
Chemistry, Physical
Haichao Yang, Wensi Cai, Ming Wang, Saif M. H. Qaid, Zhiyuan Xu, Huaxin Wang
Summary: The introduction of sodium alginate (SA) into perovskite solar cells improves the carrier dynamics, stability, and performance by inhibiting nonradiative recombination and retarded charge dynamics.
Article
Chemistry, Physical
Cuirong Zhang, Mingyuan Wei, Zihan Chen, Wansheng Lin, Shifan Yu, Yijing Xu, Chao Wei, Jinwei Zhang, Ziquan Guo, Yuanjin Zheng, Qingliang Liao, Xinqin Liao, Zhong Chen
Summary: Artificial Intelligence of Things (AIoT) aims to establish smart and informative interactions between humans and devices. However, common pixelated sensing arrays in AIoT applications present problems such as hard and brittle devices, complex structures, and low precision. This article introduces an innovative solution called the all-in-one intelligent semitransparent interactive nerve patch (AISI nerve patch), which integrates sensing, recognition, and transmission functionalities into a thin and flexible patch. The AISI nerve patch is semitransparent, allowing for accurate identification without affecting aesthetics, and it can be attached to any curved surface for intelligent and interactive applications. With rapid response time and high precision recognition, it enables the integration of artificial intelligence and achieves high recognition accuracy for further development of AIoT.
Article
Chemistry, Physical
Youcun Bai, Heng Zhang, Huijun Song, Chong Zhu, Lijin Yan, Qin Hu, Chang Ming Li
Summary: A novel stainless-steel supported lattice-mismatched V-S-Se layered compound with high selenium vacancy was synthesized by adjusting the molar ratio of sulfur to selenium. The introduction of selenium vacancies created additional redox peaks of sulfur, providing more mass transport channels and active sites for zinc ions. The specific capacity and cycle stability of the electrode were significantly improved, demonstrating great potential for practical applications and providing insights into the effects of defects on battery performance.
Article
Chemistry, Physical
Yao Xiao, Puxian Xiong, Yakun Le, Zhenjie Lun, Kang Chen, Zhiduo Wang, Peishan Shao, Zhicong Chen, Dongdan Chen, Zhongmin Yang
Summary: This study successfully synthesized a material with multi-stimulus-responsive luminescence and confirmed the internal relationship between luminescence and defects by regulating the distribution and depth of defects. The dynamic process of multi-stimulus-responsive luminescence was validated by experimental and calculation results.