Article
Chemistry, Physical
Vasileios Charitatos, Satish Kumar
Summary: A model was developed to study droplet evaporation on soft solid substrates, showing that softer substrates speed up droplet evaporation and can qualitatively reproduce key trends observed in experiments. The systematic formulation of the model allows for extension to more complex situations such as evaporation of particle-laden droplets on soft solid substrates.
Article
Chemistry, Multidisciplinary
Zehui Sun, Yuankun Wang, Shenyu Shen, Xinyang Li, Xiaofei Hu, Mingyou Hu, Yaqiong Su, Shujiang Ding, Chunhui Xiao
Summary: A high-flux solid electrolyte interphase (SEI) strategy is used to achieve (110) orientated lithium deposition, even on (200)-orientated Li substrate. The SEI induced by CF3Si(CH3)3 promotes Li+ transport dynamics and directs Li (110) orientation. This method enables long-term stability and improved electrochemical performance of lithium metal batteries.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Ting Cheng, Zhirong Liu, Zhongfan Liu, Feng Ding
Summary: Researchers systematically explored the absorption of carbon species on insulating substrates and found that graphene growth is dominated by reactions between active carbon species and hydrogen-passivated graphene edges, rather than being influenced by the substrate type. The gas phase precursor CH3 plays crucial roles in feeding graphene growth and removing excessive hydrogen atoms from graphene edges during growth on insulating substrates. The calculated threshold reaction barriers for graphene growth on insulating substrates suggest that zigzag edges grow faster than armchair edges.
Article
Chemistry, Physical
Silvina Real, Omar Espindola, Maria Priscila Zelaya, Oscar Marin, David Comedi, Monica Tirado
Summary: This study explored the conditions for the direct self-assembly of one-dimensional ZnO nanorod bunches on boron-doped crystalline Si substrates with different conductivities. The results showed differences in the morphology of ZnO nanostructures depending on the Si substrate conductivity used, and XRD patterns indicated preferential formation of ZnO nanorods in the (002) direction. Photoluminescence measurements revealed quantum confined excitons and high emission intensity in the visible range, while spectra showed emission was dominated by the ZnO nanoparticles forming the nanostructures. The study expands the EPD technique applications to form nanorod nanostructures in a single step.
SURFACES AND INTERFACES
(2021)
Article
Materials Science, Multidisciplinary
Domingo J. Mateo-Feliciano, Derick DeTellem, Pritish Mukherjee, Sarath Witanachchi
Summary: This study introduces a two-step growth process involving self-assembly and physical vapor deposition to grow zinc oxide crystalline nanostructures in a columnar configuration on a nano template. The experimental results show that the size of the underlying spheres affects the aspect ratios and density of the columnar structures.
JOURNAL OF MATERIALS RESEARCH
(2021)
Article
Chemistry, Physical
Kaihao Zhang, A. John Hart
Summary: The transfer-free synthesis route allows highly-uniform bilayer graphene to grow directly on dielectric substrates, addressing the issue of wrinkles and folds that occur in traditional methods. The graphene produced through this technique has a smooth surface, free of wrinkles, and exhibits low twist angles, making it promising for various applications.
APPLIED SURFACE SCIENCE
(2022)
Article
Thermodynamics
Jieguang Huang, Lehua Qi, Jun Luo, Hongcheng Lian
Summary: In this study, the microgravity adaptability of the uniform metal micro-droplets deposition manufacturing (MDDM) technique in terrestrial environments was investigated. The directional effect, caused by the difference in droplet deposition when the substrate travels upward and downward, makes it challenging to avoid defects and ensure good geometric appearance. To overcome this problem, the off-center overlapping of a new-coming droplet on a previously deposited and solidified droplet was investigated using experimental methods and numerical simulations. The directional effect was found to be mainly caused by the irregular geometric morphology of the pre-solidified droplet and gravity field, and it can be effectively eliminated by differentiating the deposition step distance in the uphill and downhill deposition modes.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2023)
Article
Chemistry, Multidisciplinary
Amir Azimi Yancheshme, Giuseppe R. R. Palmese, Nicolas J. J. Alvarez
Summary: In this study, the spreading dynamics of Newtonian filaments on solid surfaces were investigated through experiments, numerical simulations, and theoretical analysis. The experimental results showed that the only important parameter for Newtonian filaments is the initial filament radius. A numerical model was used to relate the initial filament radius to two dimensionless parameters, Bond number and viscous timescale. A theoretical model was developed to correlate the steady-state shape of filaments with these parameters. These findings have important applications in predicting and controlling fluid dynamics in direct ink writing and other extrusion-based processes.
Article
Chemistry, Multidisciplinary
Lihua Feng, Yumeng Zhou, Wenqin Wang
Summary: In this study, Ag(NH3)(2)NO3 microcubes were obtained by evaporating the silver ammonia complex solution directly. In a Na(3)Cit solution, each Ag(NH3)(2)NO3 microcube can be broken into numerous Ag(3)Cit sub-microcubes with uniform size, serving as sacrificial templates for generating Ag sub-microcages. The resulting Ag cages exhibit ultra-high surface-enhanced Raman scattering (SERS) sensitivity towards R6G and thiram.
CHEMICAL COMMUNICATIONS
(2022)
Article
Multidisciplinary Sciences
Shan Zhou, Jiahui Li, Jun Lu, Haihua Liu, Ji-Young Kim, Ahyoung Kim, Lehan Yao, Chang Liu, Chang Qian, Zachary D. Hood, Xiaoying Lin, Wenxiang Chen, Thomas E. Gage, Ilke Arslan, Alex Travesset, Kai Sun, Nicholas A. Kotov, Qian Chen
Summary: This study demonstrates the self-assembly of tetrahedral gold nanoparticles into chiral superlattices with different connection patterns on solid substrates. The chiral superlattices show strong mirror asymmetry and chiral properties. The thermodynamic equilibrium of the assembly is controlled by van der Waals and electrostatic interactions between nanoparticles, and the chirality can be fine-tuned by adjusting the corner-to-edge connections.
Article
Chemistry, Physical
Xiaoyu Bi, Meichun Li, Guoqiang Zhou, Chaozheng Liu, Runzhou Huang, Yang Shi, Ben Bin Xu, Zhanhu Guo, Wei Fan, Hassan Algadi, Shengbo Ge
Summary: This study successfully fabricated flexible composite negative and positive electrodes with excellent mechanical strength and matched positive and negative charges to meet practical application requirements. The assembled all-pseudocapacitance asymmetric device achieved an extended voltage window of 1.5 V, high energy density of 30.6 VVh.kg-1, and 86% capacitance retention after 5000 cycles. The device also showcased excellent bendable and foldable properties.
Article
Chemistry, Physical
Xiaoyu Bi, Meichun Li, Guoqiang Zhou, Chaozheng Liu, Runzhou Huang, Yang Shi, Ben Bin Xu, Zhanhu Guo, Wei Fan, Hassan Algadi, Shengbo Ge
Summary: The search for wearable electronics has led to an increasing demand for all-solid-state flexible energy storage devices. This study successfully fabricated flexible MXene (Ti3C2Tx)/cellulose nanofiber (CNF) composite film negative electrodes (MCNF) and positive electrodes (CP) combining polyaniline (PANI) with carbon cloth (CC). Both positive and negative electrodes showed excellent electrochemical behavior and bendable/foldable flexibility. The assembled MCNF//CP all-pseudocapacitance asymmetric device achieved an extended voltage window of 1.5 V, high energy density of 30.6 Wh center dot kg(-1) (1211 W center dot kg(-1)), 86% capacitance retention after 5000 cycles, and maintained excellent bendability.
Article
Materials Science, Multidisciplinary
Kewei Sun, Yuan Fang, Lifeng Chi
Summary: On-surface synthesis is a promising research field for fabricating low-dimensional materials with tailored structures and functionality. Most surface reactions are currently conducted on metal surfaces, but integrating functional molecular systems on insulating or semiconducting surfaces is highly desired for device fabrication. While progress has been made in realizing chemical reactions on nonmetallic substrates, further investigation is needed to clarify their catalytic mechanisms.
ACS MATERIALS LETTERS
(2021)
Article
Biochemistry & Molecular Biology
Monika Wasilewska, Paulina Zeliszewska, Katarzyna Pogoda, Piotr Deptula, Robert Bucki, Zbigniew Adamczyk
Summary: The adsorption kinetics of human vimentin on negatively charged substrates was analyzed using various techniques. The results showed that the adsorbed protein layer consisted of compact aggregates, and stable vimentin layers could be deposited on different substrates.
Article
Multidisciplinary Sciences
Xin Li, Guilin Wu, Leining Zhang, Deping Huang, Yunqing Li, Ruiqi Zhang, Meng Li, Lin Zhu, Jing Guo, Tianlin Huang, Jun Shen, Xingzhan Wei, Ka Man Yu, Jichen Dong, Michael S. Altman, Rodney S. Ruoff, Yinwu Duan, Jie Yu, Zhujun Wang, Xiaoxu Huang, Feng Ding, Haofei Shi, Wenxin Tang
Summary: This article reports a finding that single-crystal 2D materials can be epitaxially grown on twinned crystals. By establishing a geometric principle to describe the alignment of 2D materials on high-index surfaces, the authors demonstrate that 2D material islands grown on the two sides of a twin boundary can be well aligned. They also successfully grow wafer-scale single-crystal graphene and hexagonal boron nitride films on the surfaces of twinned copper foils. This discovery greatly increases the availability of large area high-quality 2D single crystals and expands the fundamental understanding of materials epitaxy.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Analytical
Hiro-Taka Yoshioka, Chuanjun Liu, Kenshi Hayashi
SENSORS AND ACTUATORS B-CHEMICAL
(2015)
Article
Chemistry, Analytical
Chuanjun Liu, Liang Shang, Hiro-Taka Yoshioka, Bin Chen, Kenshi Hayashi
ANALYTICA CHIMICA ACTA
(2018)
Article
Chemistry, Applied
Chuanjun Liu, Kenshi Hayashi
FLAVOUR AND FRAGRANCE JOURNAL
(2014)
Article
Engineering, Electrical & Electronic
Bin Chen, Chuanjun Liu, Masashi Watanabe, Kenshi Hayashi
IEEE SENSORS JOURNAL
(2013)
Article
Engineering, Electrical & Electronic
Bin Chen, Chuanjun Liu, Manami Ota, Kenshi Hayashi
IEEE SENSORS JOURNAL
(2013)
Article
Engineering, Electrical & Electronic
Bin Chen, Chuanjun Liu, Kenshi Hayashi
IEEE SENSORS JOURNAL
(2014)
Article
Chemistry, Physical
Chuanjun Liu, Zhiyun Noda, Kazunari Sasaki, Kenshi Hayashi
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2012)
Article
Chemistry, Analytical
Chuanjun Liu, Yudai Furusawa, Kenshi Hayashi
SENSORS AND ACTUATORS B-CHEMICAL
(2013)
Article
Chemistry, Analytical
Sunil K. Jha, Chuanjun Liu, Kenshi Hayashi
SENSORS AND ACTUATORS B-CHEMICAL
(2014)
Article
Materials Science, Multidisciplinary
Bin Chen, Masami Mokume, Chuanjun Liu, Kenshi Hayashi
Article
Chemistry, Multidisciplinary
Daohong Zhang, Junna Li, Jing Wang, Sufang Chen, Jiliang Zhou, Tingcheng Li, Junheng Zhang, Aiqing Zhang, Chuanjun Liu
Article
Engineering, Electrical & Electronic
Bin Chen, Chuanjun Liu, Lingpu Ge, Liang Shang, Hao Guo, Kenshi Hayashi
Summary: Gold nano-urchins (AuNUs) were synthesized and deposited on indium tin oxide (ITO) glass in this study. The study compared the influence of the resistance of ITO glass and the deposition density of NUs on refractive index sensitivity (RIS) of these ITO substrates. It was found that ITO glass with a resistance of 8-12 /sq and substrates with many AuNU dimers gave the highest RIS. Additionally, the study proposed the use of AuNU substrate for heparin detection through Au etching, achieving a linear range of 0.05 to 5 μg/mL with a detection limit of 8 ng/mL.
IEEE SENSORS JOURNAL
(2022)
Article
Computer Science, Information Systems
Yun Gu, Xinyue Zhong, Cheng Qu, Chuanjun Liu, Bin Chen
Summary: Emotion is a human attitude experience and corresponding behavioral response to objective things. Effective emotion recognition plays an important role in the intelligence and humanization of brain-computer interface (BCI). Although deep learning has been widely used for emotion recognition, it remains challenging in the practical application of EEG-based emotion recognition. In this study, a novel hybrid model combining generative adversarial networks, graph convolutional neural networks, and long short-term memory networks was proposed to recognize emotions from EEG signals. Experimental results on DEAP and SEED datasets demonstrated that the proposed model achieved promising emotion classification performance compared with state-of-the-art methods.
IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS
(2023)
Article
Computer Science, Information Systems
Jiongming Qin, Lin Chen, Yuhua Liu, Chuanjun Liu, Changhao Feng, Bin Chen
Proceedings Paper
Engineering, Electrical & Electronic
Bin Chen, Chuanjun Liu, Kenshi Hayashi
2012 IEEE SENSORS PROCEEDINGS
(2012)