Article
Engineering, Manufacturing
YongAn Huang, Hao Wu, Chen Zhu, Wennan Xiong, Furong Chen, Lin Xiao, Jianpeng Liu, Kaixin Wang, Huayang Li, Dong Ye, Yongqing Duan, Jiankui Chen, Hua Yang, Wenlong Li, Kun Bai, Zhouping Yin, Han Ding
Summary: The study introduces a robotized 'transfer-and-jet' printing strategy for assembling electronic devices on complex surfaces, breaking the constraints of traditional 2D planar microfabrication. This innovative method enables versatile conformal microfabrication for 3D curved electronics.
INTERNATIONAL JOURNAL OF EXTREME MANUFACTURING
(2021)
Review
Chemistry, Multidisciplinary
Jeremy Money, Juan G. Munguia-Fernandez, Sepideh Norouzi, Mohsen Esmaeili, Jose A. Martinez-Gonzalez, Monirosadat Sadati
Summary: Blue phase liquid crystals possess unique optical and electro-optical properties but are limited by their thermal stability and crystalline nature. This feature article provides an overview of efforts to stabilize these phases and create monodomain structures, highlighting the complex relationship between geometrical confinement, induced curvature, and the structural stability and photonic features of blue phases. Understanding the coupling effects of physical and mechanical forces on the structural stability of these systems is crucial for the development of efficient and practical devices based on blue phase liquid crystals.
CHEMICAL COMMUNICATIONS
(2023)
Article
Optics
Gabriel Lasry, Yaniv Brick, Timor Melamed
Summary: An efficient scheme for the design of aperture fields that radiate arbitrary trajectory curved beams with enhanced controllability of various beam features is presented. The scheme overcomes the main hurdles in designing large apertures by utilizing a frame-based phase-space representation of aperture fields and adopting a linearization approach for optimization. The controllability over beam parameters is significantly enhanced through the proposed approach.
Article
Engineering, Electrical & Electronic
Sachin Kalraiya, Raghvendra Kumar Chaudhary, Mahmoud A. Abdalla
Summary: A resistor-loaded wideband conformal metamaterial absorber has been designed, fabricated, and experimentally analyzed, showing absorption from 3.25 - 13.6 GHz with a bandwidth of 123%. The wideband absorption mechanism was analyzed through an equivalent circuit model, and the designed structure has good agreement between simulated and experimental results. This absorber is suitable for scientific and military applications due to its wideband absorption bandwidth, polarization-insensitivity, and conformability.
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Changhee Son, Zhengyu Yang, Seungbeom Kim, Placid M. Ferreira, Jie Feng, Seok Kim
Summary: This study introduces a bidirectional droplet manipulation method on a magnetically actuated superhydrophobic ratchet surface. Computational models were developed to predict the manipulation effect, which was confirmed by experimental results. The findings provide substantial insights into the design and optimization of magnetically actuated superhydrophobic ratchet surfaces for droplet manipulation in digital microfluidic applications.
Article
Engineering, Electrical & Electronic
Akhila Gouda, Saptarshi Ghosh
Summary: This paper presents an analytical study on nonplanar frequency selective surfaces (FSSs) for X-band electromagnetic shielding applications. The FSSs are fabricated using a metallic square loop unit cell arranged in a periodic pattern on a 3-D printer compatible dielectric substrate. The FEBI technique is used to investigate the FSSs wrapped on cylindrical, paraboloid, and hemispherical surfaces. The results show a band stop characteristic with a fractional bandwidth of 62.74% and resonance at 9.53 GHz, demonstrating the feasibility of nonplanar FSSs.
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
(2023)
Article
Materials Science, Multidisciplinary
Wang Qin, Shujuan Li, Sha Wei, Shuaitong Qi, Weipei Zhang, Tuo Kang, Yan Li
Summary: This study proposes a new manufacturing method using high-precision direct printing technology to print circuits on hard, arbitrarily curved surfaces. The method involves using 3D projection technology to map a 2D planar functional circuit onto a 3D digital curved surface and then directly printing the integrated circuit on the complex surface. Optimal printing parameters are determined by exploring the main factors affecting molding quality and electrical conductivity of curved surface circuits. The feasibility and potential of the proposed technology are demonstrated through simple examples.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Chemistry, Multidisciplinary
Consuelo Rodriguez-Padilla, Enrique Cuan-Urquizo, Armando Roman-Flores, Jose L. Gordillo, Carlos Vazquez-Hurtado
Summary: In contrast to traditional 3D printing, conformal 3D printing enables structures to be created on non-planar surfaces, with a mathematical algorithm proposed to project printing trajectories onto such surfaces. The effectiveness of the algorithm is demonstrated through examples and comparisons with tessellated surfaces, showing that error depends on resolution rather than the algorithm itself.
APPLIED SCIENCES-BASEL
(2021)
Review
Engineering, Manufacturing
Wanqing Zhang, Ling Zhang, Yabin Liao, Huanyu Cheng
Summary: This article discusses the need for and existing techniques in manufacturing and integrating flexible deformable devices on complex 3D surfaces. While planar fabrication methods are not directly applicable, they can be combined with stretchable structures and transfer printing to achieve device integration.
INTERNATIONAL JOURNAL OF EXTREME MANUFACTURING
(2021)
Article
Nanoscience & Nanotechnology
Chengjie Jiang, Tianyu Li, Xian Huang, Rui Guo
Summary: This study proposes a simple and rapid method for preparing patterned liquid-metal-enabled universal soft electronics (PLUS-E). The PLUS-E exhibits rapid fabrication, excellent stretchability, and high forming accuracy. The stability of PLUS-E on 3D surfaces is improved by using low-fluidity liquid metal composites. The finite element simulation accurately forecasts the deformation and resistance changes of the PLUS-E and provides guidance for device design. Various sensors developed using this method have demonstrated stable and reliable signal measurements in real-world applications.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Yuandong Jia, Kecheng Guan, Pengfei Zhang, Qin Shen, Titik Istirokhatun, Yuqing Lin, Hideto Matsuyama
Summary: Functional coatings with superwetting surfaces, constructed using tannic acid complexed with cations, show nanostructural dependence on their superwetting performance. While the nanosmooth and nanorough coatings exhibit similar surface chemistry and superwetting properties, the nanorough coating demonstrates significantly higher efficiency in separating oil-in-water emulsions compared to the nanosmooth coating and the pristine one without a coating, due to its specific nanostructure.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Article
Computer Science, Information Systems
Adam Steckiewicz, Kornelia Konopka, Agnieszka Choroszucho, Jacek Maciej Stankiewicz
Summary: This article presents novel 3D printed sensors for temperature measurement, utilizing a planar structure of resistive elements that can be used on curved and irregular surfaces. The flexibility of the detectors allows for customized designs and the ability to withstand possible damage. The nonlinear effect of temperature on resistance is experimentally determined, leading to the derivation of analytical formulas.
Article
Engineering, Manufacturing
Kostas Andritsos, Ioannis Theodorakos, Filimon Zacharatos, Ayala Kabla, Semyon Melamed, Fernando de la Vega, Yoan Porte, Patrick Too, Ioanna Zergioti
Summary: This study investigates the behavior of conformal laser printing of silver nanoparticle inks on non-planar substrates and validates the versatility of laser processing in multilayered and multimaterial electronics.
VIRTUAL AND PHYSICAL PROTOTYPING
(2023)
Article
Engineering, Electrical & Electronic
Gunther Roelkens, Jing Zhang, Laurens Bogaert, Maximilien Billet, Dongbo Wang, Biwei Pan, Clemens J. Kruckel, Emadreza Soltanian, Dennis Maes, Tom Vanackere, Tom Vandekerckhove, Stijn Cuyvers, Jasper De Witte, Isaac Luntadila Lufungula, Xin Guo, He Li, Senbiao Qin, Grigorij Muliuk, Sarah Uvin, Bahawal Haq, Camiel op de Beeck, Jeroen Goyvaerts, Guy Lepage, Peter Verheyen, Joris Van Campenhout, Geert Morthier, Bart Kuyken, Dries Van Thourhout, Roel Baets
Summary: Silicon photonics is a disruptive technology that has rapidly developed in the field of integrated photonics. It has enabled the development of high-performance components and complex photonic integrated circuits on a small scale. However, there is still a need for non-native functions to further enhance the overall performance and cost-effectiveness of silicon photonic systems. This paper introduces micro-transfer printing as a technology for integrating non-native materials and opto-electronic components on silicon photonic platforms, enabling the integration of a wide range of materials/devices on a wafer scale in a parallel manner.
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
(2023)
Article
Engineering, Environmental
Hujun Wang, Zhihui Zhang, Jing Zheng, Jie Zhao, Yunhong Liang, Xiujuan Li, Luquan Ren
Summary: In this study, a switchable superhydrophobic surface was fabricated using a templating approach to control the morphology of micro/nanostructures, enabling reversible transition between high-adhesion superhydrophobic and hydrophobic states. This surface demonstrates multiple functions, serving as a droplet capturer or reaction platform, and the friction coefficient can be switched, showing potential applications in friction control. This work provides a promising multifunctional superhydrophobic platform with dynamically controllable morphology and wetting behaviors for droplet manipulation and friction control applications.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Bingda Chen, Feifei Qin, Meng Su, Daixi Xie, Zeying Zhang, Qi Pan, Huadong Wang, Xu Yang, Sisi Chen, Jingwei Huang, Dominique Derome, Jan Carmeliet, Yanlin Song
Summary: By tuning the Peclet number, the reaction kinetics of nanoparticles can be controlled. A self-driven multi-dimension microchannels reactor (MMR) was proposed for the one droplet synthesis of multi-sized nanoparticles. The MMR enables precise control of nanoparticle diameter and offers a new approach for the production and engineering of nanostructured materials.
Article
Chemistry, Multidisciplinary
Zeying Zhang, Yali Sun, Yaqi Yang, Xu Yang, Huadong Wang, Yang Yun, Xiangyu Pan, Zewei Lian, Artem Kuzmin, Ekaterina Ponkratova, Julia Mikhailova, Zian Xie, Xiaoran Chen, Qi Pan, Bingda Chen, Hongfei Xie, Tingqing Wu, Sisi Chen, Jimei Chi, Fangyi Liu, Dmitry Zuev, Meng Su, Yanlin Song
Summary: Researchers have developed a simple, culture-free diagnostic system for direct detection of pathogenic bacteria in water, urine, and serum samples. The system utilizes specific antibodies chemically conjugated to printed nanoarrays, which exhibit distinct color changes after capturing target pathogens. By utilizing capillarity within an evaporating droplet, rapid identification and efficient detection of bacterial pathogens are achieved. The nanoarrays significantly amplify the scattering signals of bacteria, enabling visualizable analysis of bacterial growth, reproduction, and cell activity at the single-cell level. This nanoarray-based biosensor also demonstrates high selectivity, accurate quantification, and continuous monitoring of bacterial load on food, making it an accessible and user-friendly tool for point-of-care testing of pathogens in clinical and environmental applications.
ADVANCED MATERIALS
(2023)
Article
Thermodynamics
Chuangde Zhang, Li Chen, Feifei Qin, Luguo Liu, Wen-Tao Ji, Wen-Quan Tao
Summary: Understanding flow boiling in a serpentine microchannel with U-bends is crucial for its practical design and application. In this study, a hybrid thermal multiphase model was used to investigate the heat transfer during flow boiling. The effects of curvature ratio, flow orientation, heat flux, and Reynolds number on bubble dynamics and heat transfer performance were comprehensively evaluated. The results showed that increasing curvature ratio led to elongated bubbles at the U-bend, and flow orientation had a significant impact on bubble dynamics and heat transfer characteristics.
APPLIED THERMAL ENGINEERING
(2023)
Article
Thermodynamics
Chuangde Zhang, Li Chen, Zi Wang, Feifei Qin, Yi Yuan, Luguo Liu, Wen-Quan Tao
Summary: In this study, the corrosion process and morphology under reactive transport conditions are investigated using the corrosion lattice Boltzmann (LB) model. The flow boiling heat transfer in corroded microchannels is then studied using the hybrid thermal multiphase LB model and compared with intact microchannels. The effects of corrosion morphology, pit height, and staggered distance between pits on heat transfer characteristics are explored.
APPLIED THERMAL ENGINEERING
(2023)
Article
Chemistry, Multidisciplinary
Bingda Chen, Zelong Zhang, Meng Su, Feifei Qin, Qi Pan, Daixi Xie, Xu Yang, Kun Zhang, Zeying Zhang, Hongfei Xie, Jan Carmeliet, Yanlin Song
Summary: The traditional synthesis strategy for nanomaterials is complicated and costly, restricting their applications. In this study, we propose a simple process for the simultaneous synthesis and patterning of silver nanoparticles (Ag NPs) using a self-driven microchannel reactor inspired by transpiration. The evaporation process creates capillary and accumulation effects in the microchannels. Through the capillary effect, silver reactant droplets can be spontaneously divided and distributed in multiple microchannels throughout the fabrication process. The newly formed Ag NPs assemble on both sides of the microchannels through the accumulation effect. By combining microchannels of different widths, various Ag NPs-assembled patterns with stable electrical properties can be achieved. This efficient strategy with a simple fabrication procedure contributes to the technological engineering of nanoscale architected materials.
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
(2023)
Article
Chemistry, Multidisciplinary
Dengfeng Lu, Meng Qin, Yonghang Zhao, Hongxiang Li, Longbo Luo, Chunmei Ding, Pei Cheng, Meng Su, Huiying Li, Yanlin Song, Jianshu Li
Summary: Structurally-colored photonic hydrogels are promising biosensing materials that can be fabricated by introducing hydrogels into thin films or photonic crystal structures. However, the fabrication of high-performance photonic hydrogel biosensors is hindered by low anti-interference capability or complicated synthesis. In this study, a facilely prepared supramolecular photonic hydrogel biosensor is developed for high-sensitivity detection of alkaline phosphatase (ALP). The biosensor shows a sensitivity of 7.3 nm spectral shift per mU mL(-1) ALP and a detection limit of 0.52 mU mL(-1), enabling accurate colorimetric detection via a smartphone for point-of-care sensing and timely diagnosis.
Article
Materials Science, Multidisciplinary
Lijun Cheng, Jimei Chi, Meng Su, Yanlin Song
Summary: This perspective focuses on the recent progress of perovskite nanocrystals (PNCs) as fluorescent probes for biological diagnosis. Efforts in constructing water-resistant and biocompatible PNC probes through interface engineering are presented. Their applications in cell and tumor imaging, biomolecular detection, and fluorescence immunoassay are discussed.
JOURNAL OF MATERIALS CHEMISTRY C
(2023)
Article
Physics, Applied
Ping Han, Zhan-Dong Huang, Hao-Wen Dong, Sheng-Dong Zhao
Summary: We developed a reflective broadband acoustic coding metasurface utilizing bubble units. The reflected phase difference between the cube bubble unit and pure water unit is approximately pi across a wide range of frequencies. The broadband phenomenon is explained by the reflection theory between the soft water-air interface and the hard water-rigid interface. The relative bandwidth achieved is 187%, close to the theoretical limit of 200%. By reconstructing the 0/1 sequence, we conducted numerical simulations on broadband acoustic focusing and diffusing reflection. The research in this work has potential applications in enhancing underwater communication and cloaking.
APPLIED PHYSICS EXPRESS
(2023)
Article
Chemistry, Physical
Zhenkun Gu, Yingjie Zhao, Yiqiang Zhang, Zhandong Huang, Zhonghao Zhou, Kang Wang, Lihong Li, Yong Sheng Zhao, Qun Xu, Yanlin Song
Summary: In this study, a facile printing strategy was reported to controllably fabricate perovskite single-crystal arrays with well-defined morphology and location. By modulating perovskite precursor ion aggregation in microdroplets through controlling the temperature of substrates, perovskite single-crystal arrays with controlled morphologies are fabricated and selectively integrated on silicon for high-performance tailored laser arrays. Additionally, integrated perovskite single-crystal microstructures were printed, showing efficient coupling property with well-maintained intrinsic characters of the original signals. This strategy enables fully inkjet-printed morphology-controllable perovskite single-crystal arrays and functional coupling-structure arrays, which offers new opportunities for integrated photonic and optoelectronic devices.
CHEMISTRY OF MATERIALS
(2023)
Article
Mechanics
Feifei Qin, Linlin Fei, Jianlin Zhao, Qinjun Kang, Dominique Derome, Jan Carmeliet
Summary: A 2-D double-distribution lattice Boltzmann method (LBM) is implemented to study the isothermal drying process of a colloidal suspension considering the local effects of nanoparticles. The model is validated by comparing with experimental results for drying of suspended colloidal droplet and a colloidal suspension in a capillary tube. The influence of three local nanoparticle effects on drying dynamics, deposition process and final configurations is analyzed, and a unified relation is proposed and verified.
JOURNAL OF FLUID MECHANICS
(2023)
Article
Multidisciplinary Sciences
Zhiyuan Qu, Peng Zhou, Fanyi Min, Shengnan Chen, Mengmeng Guo, Zhandong Huang, Shiyang Ji, Yongli Yan, Xiaodong Yin, Hanqiu Jiang, Yubin Ke, Yong Sheng Zhao, Xuehai Yan, Yali Qiao, Yanlin Song
Summary: We propose a bubble-template molecular printing concept that utilizes ultrathin liquid films to confine the self-assembly of molecules, achieving high-precision assembly at the molecular scale.
Article
Physics, Applied
Xiaobing Cai, Chunguang Wang, Zhandong Huang, Peipei Jia, Jun Yang, Liwen Zhang
Summary: Voice acquisition and recognition are important for seamless and hands-free human-machine interaction. A method to enhance the signal to noise ratio is demonstrated by using an acoustic metamaterial in front of a microphone, amplifying the evanescent portion of human voice. This passive and physical means provides an alternative to traditional active and algorithmic methods for improving voice sound acquisition.
APPLIED PHYSICS LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Zhiyuan Sun, Chao Dong, Bingda Chen, Wenbo Li, Huiyuan Hu, Jinsheng Zhou, Chong Li, Zhandong Huang
Summary: A strong and tough conductive polymer hydrogel with excellent anti-swelling properties is developed by incorporating hydrogen, coordination bonds, and cation-π interactions between a rigid conducting polymer and a soft hydrogel matrix. The obtained supramolecular hydrogel has remarkable tensile strength (1.63 MPa), superior elongation at break (453%), and remarkable toughness (5.5 MJ m(-3)). As a strain sensor, the hydrogel possesses high electrical conductivity (2.16 S m(-1)), a wide strain linear detection range (0-400%), and excellent sensitivity (gauge factor = 4.1), sufficient to monitor human activities with different strain windows. Furthermore, this hydrogel with high swelling resistance has been successfully applied to underwater sensors for monitoring frog swimming and underwater communication.
Article
Acoustics
Xiaobing Cai, Zhandong Huang, Chunguang Wang, Peipei Jia, Jun Yang, Liwen Zhang
Summary: In this study, we propose an ultrathin and holeless metasurface composed of simply a pair of membranes, which supports duo unity transmissions with completely conjugate phase shifts occurring at two extremely close frequencies. This metasurface enables giant phase delay and high refractive index (n = 18) for acoustic waves, allowing for wavefront control and applications such as planar lens focusing, negative refraction, negative reflection, and directional emission. The design principle of acoustic metasurface opens up promising avenues for acoustic wave manipulation with extensive applications in beam steering, acoustic imaging, energy harvesting, and surface waves.
JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME
(2023)
