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| 1 | Inorganic semiconducting materials for flexible and stretchable electronics显示文摘Recent progress in the synthesis and deterministic assembly of advanced classes of single crystalline inorganic semiconductor nanomaterial establishes a foundation for high-performance electronics on bendable,and even elastomeric,substrates.The results allow for classes of systems with capabilities that cannot be reproduced using conventional wafer-based technologies.Specifically,electronic devices that rely on the unusual shapes/forms/constructs of such semiconductors can offer mechanical properties,such as flexibility and stretchability,traditionally believed to be accessible only via comparatively low-performance organic materials,with superior operational features due to their excellent charge transport characteristics.Specifically,these approaches allow integration of high-performance electronic functionality onto various curvilinear shapes,with linear elastic mechanical responses to large strain deformations,of particular relevance in bio-integrated devices and bio-inspired designs.This review summarizes some recent progress in flexible electronics based on inorganic semiconductor nanomaterials,the key associated design strategies and examples of device components and modules with utility in biomedicine. | Ki Jun Yu Zheng Yan Mengdi Han John A.Rogers | 2017 | npj Flexible Electronics2017，1，1： | 14 |
| 2 | Random Networks and Aligned Arrays of Single-Walled Carbon Nanotubes for Electronic Device Applications显示文摘Singled-walled carbon nanotubes(SWNTs),in the form of ultrathin fi lms of random networks,aligned arrays,or anything in between,provide an unusual type of electronic material that can be integrated into circuits in a conventional,scalable fashion.The electrical,mechanical,and optical properties of such fi lms can,in certain cases,approach the remarkable characteristics of the individual SWNTs,thereby making them attractive for applications in electronics,sensors,and other systems.This review discusses the synthesis and assembly of SWNTs into thin film architectures of various types and provides examples of their use in digital electronic circuits with levels of integration approaching 100 transistors and in analog radio frequency(RF)systems with operating frequencies up to several gigahertz,including transistor radios in which SWNT transistors provide all of the active functionality.The results represent important steps in the development of an SWNT-based electronics technology that could fi nd utility in areas such as fl exible electronics,RF analog devices and others that might complement the capabilities of established systems. | Qing Cao John A.Rogers | 2008 | Nano Research2008，1，4： | 6 |
| 3 | Controlled mechanical assembly of complex 3D mesostructures and strain sensors by tensile buckling显示文摘Recent research establishes methods of controlled mechanical assembly as versatile routes to three-dimensional(3D)mesostructures from patterned 2D films,with demonstrated applicability to a broad range of materials(e.g.,semiconductors,polymers,metals,and their combinations)and length scales(e.g.,from sub-microscale to centimeter scale).Previously reported schemes use pre-stretched elastomeric substrates as assembly platforms to induce compressive buckling of 2D precursor structures,thereby enabling their controlled transformation into 3D architectures.Here,we introduce tensile buckling as a different,complementary strategy that bypasses the need for a pre-stretched platform,thereby simplifying the assembly process and opening routes to additional classes of 3D geometries unobtainable with compressive buckling.A few basic principles in mechanics serve as guidelines for the design of 2D precursor structures that achieve large out-of-plane motions and associated 3D transformations due to tensile buckling.Experimental and computational studies of nearly 20 examples demonstrate the utility of this approach in the assembly of complex 3D mesostructures with characteristic dimensions from micron to millimeter scales.The results also establish the use of nonlinear mechanics modeling as a mechanism for designing systems that yield desired 3D geometries.A strain sensor that offers visible readout and large detectable strain range through a collection of mechanically triggered electrical switches and LEDs serves as an application example. | Xiaogang Guo Xueju Wang Dapeng Ou Jilong Ye Wenbo Pang Yonggang Huang John A.Rogers Yihui Zhang | 2018 | npj Flexible Electronics2018，2，1： | 4 |
| 4 | A strain-isolation design for stretchable electronics显示文摘Stretchable electronics represents a direction of recent development in next-generation semiconductor devices.Such systems have the potential to offer the performance of conventional wafer-based technologies,but they can be stretched like a rubber band,twisted like a rope, bent over a pencil,and folded like a piece of paper.Isolating the active devices from strains associated with such deformations is an important aspect of design.One strategy involves the shielding of the electronics from deformation of the substrate through insertion of a compliant adhesive layer. This paper establishes a simple,analytical model and validates the results by the finite element method.The results show that a relatively thick,compliant adhesive is effective to reduce the strain in the electronics,as is a relatively short film. | Jian Wu Ming Li Wei-Qiu Chen Dae-Hyeong Kim Yun-Soung Kim Yong-Gang Huang Keh-Chih Hwang Zhan Kang John A.Rogers | 2010 | Acta Mechanica Sinica2010，26，6： | 3 |
| 5 | Silk‐Based Conformal, Adhesive, Edible Food Sensors显示文摘 | HuTao Mark A.Brenckle MiaomiaoYang JingdiZhang MengkunLiu Sean M.Siebert Richard D.Averitt Manu S.Mannoor Michael C.McAlpine John A.Rogers David L.Kaplan Fiorenzo G.Omenetto | 2012 | Adv Mater2012，，8： | 1 |
| 6 | Micromechanics and Advanced Designs for Curved Photodetector Arrays in Hemispherical Electronic‐Eye Cameras显示文摘 | GunchulShin InhwaJung ViktorMalyarchuk JizhouSong ShuodaoWang Heung ChoKo YonggangHuang Jeong SookHa John A.Rogers | 2010 | Small2010，，7： | 1 |
| 7 | Stretchable Electronics: Materials Strategies and Devices显示文摘 | Dae‐HyeongKim John A.Rogers | 2008 | Mater2008，，24： | 1 |
| 8 | Theory and Practice of“Striping”for Improved ON/OFF Ratio in Carbon Nanonet Thin Film Transistors显示文摘A new technique to reduce the influence of metallic carbon nanotubes(CNTs)relevant for large-scale integrated circuits based on CNT-nanonet transistorsis proposed and verified.Historically,electrical and chemical filtering of the metallic CNTs have been used to improve the ON/OFF ratio of CNT-nanonet transistors;however,the corresponding degradation in ON-current has made these techniques somewhat unsatisfactory.Here,we abandon the classical approaches in favor of a new approach based on relocation of asymmetric percolation threshold of CNT-nanonet transistors by a technique called“striping”;this allows fabrication of transistors with ON/OFF ratio>1000 and ON-current degradation no more than a factor of 2.We offer first principle numerical models,experimental confirmation,and renormalization arguments to provide a broad theoretical and experimental foundation of the proposed method. | Ninad Pimparkar Qing Cao John A.Rogers Muhammad A.Alam | 2009 | Nano Research2009，2，2： | 1 |
| 9 | Outcomes and timing for intervention of partial adrenalectomy in patients with a solitary adrenal remnant and history of bilateral phaeochromocytomas显示文摘 | Thomas H.Sanford Benjamin BarckleyStorey William MarstonLinehan Craig A.Rogers Peter A.Pinto GennadyBratslavsky | 2011 | BJU International2011，，4： | 1 |
| 10 | Epidermal radio frequency electronics for wireless power transfer显示文摘Epidermal electronic systems feature physical properties that approximate those of the skin,to enable intimate,long-lived skin interfaces for physiological measurements,human–machine interfaces and other applications that cannot be addressed by wearable hardware that is commercially available today.A primary challenge is power supply;the physical bulk,large mass and high mechanical modulus associated with conventional battery technologies can hinder efforts to achieve epidermal characteristics,and near-field power transfer schemes offer only a limited operating distance.Here we introduce an epidermal,farfield radio frequency(RF)power harvester built using a modularized collection of ultrathin antennas,rectifiers and voltage doublers.These components,separately fabricated and tested,can be integrated together via methods involving soft contact lamination.Systematic studies of the individual components and the overall performance in various dielectric environments highlight the key operational features of these systems and strategies for their optimization.The results suggest robust capabilities for battery-free RF power,with relevance to many emerging epidermal technologies. | Xian Huang Yuhao Liu Gil Woo Kong Jung Hun Seo Yinji Ma Kyung-In Jang Jonathan A.Fan Shimin Mao Qiwen Chen Daizhen Li Hank Liu Chuxuan Wang Dwipayan Patnaik Limei Tian Giovanni A.Salvatore Xue Feng Zhenqiang Ma Yonggang Huang John A.Rogers | 2016 | Microsystems & Nanoengineering2016，2，1： | 1 |
| 11 | Theoretical and Experimental Studies of Schottky Diodes that Use Aligned Arrays of Single-Walled Carbon Nanotubes显示文摘We present theoretical and experimental studies of Schottky diodes that use aligned arrays of single-walled carbon nanotubes. A simple physical model, taking into account the basic physics of current rectification, can adequately describe the single-tube and array devices. We show that for as-grown array diodes, the rectification ratio, defined by the maximum-to-minimum-current-ratio, is low due to the presence of metallic-single-walled nanotube (SWNT) shunts. These tubes can be eliminated in a single voltage sweep resulting in a high rectification array device. Further analysis also shows that the channel resistance, and not the intrinsic nanotube diode properties, limits the rectification in devices with channel length up to 10 μm. | Xinning Ho Lina Ye Slava V.Rotkin Xu Xie Frank Du Simon Dunham Jana Zaumseil John A.Rogers | 2010 | Nano Research2010，3，6： | 0 |
| 12 | Bioresorbable Multilayer Photonic Cavities as Temporary Implants for Tether-Free Measurements of Regional Tissue Temperatures显示文摘Objective and Impact Statement.Real-time monitoring of the temperatures of regional tissue microenvironments can serve as the diagnostic basis for treating various health conditions and diseases.Introduction.Traditional thermal sensors allow measurements at surfaces or at near-surface regions of the skin or of certain body cavities.Evaluations at depth require implanted devices connected to external readout electronics via physical interfaces that lead to risks for infection and movement constraints for the patient.Also,surgical extraction procedures after a period of need can introduce additional risks and costs.Methods.Here,we report a wireless,bioresorbable class of temperature sensor that exploits multilayer photonic cavities,for continuous optical measurements of regional,deep-tissue microenvironments over a timeframe of interest followed by complete clearance via natural body processes.Results.The designs decouple the influence of detection angle from temperature on the reflection spectra,to enable high accuracy in sensing,as supported by in vitro experiments and optical simulations.Studies with devices implanted into subcutaneous tissues of both awake,freely moving and asleep animal models illustrate the applicability of this technology for in vivo measurements.Conclusion.The results demonstrate the use of bioresorbable materials in advanced photonic structures with unique capabilities in tracking of thermal signatures of tissue microenvironments,with potential relevance to human healthcare. | Wubin Bai Masahiro Irie Zhonghe Liu Haiwen Luan Daniel Franklin Khizar Nandoliya Hexia Guo Hao Zang Yang Weng Di Lu Di Wu Yixin Wu Joseph Song Mengdi Han Enming Song Yiyuan Yang Xuexian Chen Hangbo Zhao Wei Lu Giuditta Monti Iwona Stepien Irawati Kandela Chad R.Haney Changsheng Wu Sang Min Won Hanjun Ryu Alina Rwei Haixu Shen Jihye Kim Hong-Joon Yoon Wei Ouyang Yihan Liu Emily Suen Huang-yu Chen Jerry Okina Jushen Liang Yonggang Huang Guillermo A.Ameer Weidong Zhou John A.Rogers | 2021 | Biomedical Engineering Frontiers2021，2，1： | 0 |
| 13 | 一种商用弧菌病疫苗诱导杂交条纹石Zhi产生免疫保护显示文摘 | Wilmer A.Rogers Dehai Xu | 1998 | 珠江水产1998，，2： | 0 |
| 14 | Integrated nanoelectronic-photonic devices and bioresorbable materials显示文摘I am honored receive,with Prof.Zhao,this years Nano Research Award.In my case,the recognition is largely an acknowledgement of the scientific advances achieved by a diverse set of graduate students,undergraduates and postdoctoral fellows as they passed through my group over the years-talented,dedicated,creative,collaborative people,of the very highest caliber.Several of these former group members,each now leading large and highly successful academic research programs of their own,contributed outstanding articles to this special issue-21 in total!I would like to extend my special thanks to them-I feel a strong sense of pride and joy in their many impressive accomplishments as pioneering,independent researchers.The topics of these articles span a wide range,as a powerful set of projects at the forefront of nanoscience and nanotechnology,briefly summarized by topic area in the following. | John A.Rogers | 2021 | Nano Research2021，14，9： | 0 |
| 15 | Functional Hydrogel Interface Materials for Advanced Bioelectronic Devices显示文摘CONSPECTUS:A frontier area of modern research focuses on emerging classes of implantable bioelectronic devices with unique modes of operation that are relevant both to research studies and to medical practice.These advanced technologies have the potential to enable revolutionary diagnostic and therapeutic capabilities relevant to a wide spectrum of disorders,where seamless integration onto the surfaces of vital organs allows for accurate sensing,stimulation,or even concurrent sensing and stimulation.Materials for tissue-like interfaces,such as hydrogels,that enable soft mechanical coupling and multifunctional,bidirectional exchange between these technology platforms and living systems are critically important.Functional hydrogels offer significant promise in this context,as illustrated in recent demonstrations of interlayers that support optical,mechanical,electrical,optical,thermal,and biochemical modes of interaction,with chronic biocompatibility and stable function in live animal models.This Account highlights recent progress in hydrogel materials that serve as interfaces between bioelectronics systems and soft tissues to facilitate implantation and to support sensing and stimulation.The content includes materials concepts,compositions,chemistries,and structures that allow for bioelectronic integration.Use as interfacial adhesives and as surface coatings to support mechanical,electrical,optical,thermal,and/or chemical coupling highlight the broad range of options.The Account begins with hydrogels that exploit advanced chemistries to control internal hemorrhage,prevent bacterial infections,and to suppress foreign body responses.Subsequent sections summarize strategies to exploit the mechanics of hydrogels,such as their mechanical,tunable modulus,lubricating surfaces,and interface adhesion properties,to facilitate interactions between bioelectronic and biological systems.Discussions of functional characteristics begin with the electrical conductivity of different types of conductive hydrogels and their long-time stability,with applications in bioelectronic sensing and stimulation.Following sections focus on optical,thermal,and chemical properties,also in the context of device operation.A final passage on chemistry outlines recently developed photocurable and bioresorbable hydrogel adhesives that support multifunctional interfaces to soft biological tissues.The concluding paragraphs highlight remaining challenges and opportunities for research in hydrogel materials science for advanced bioelectronic devices. | Quansan Yang Ziying Hu John A.Rogers | 2021 | Accounts of Materials Research2021，2，11： | 0 |
| 16 | Wireless,battery-free,and fully implantable electrical neurostimulation in freely moving rodents显示文摘Implantable deep brain stimulation(DBS)systems are utilized for clinical treatment of diseases such as Parkinson's disease and chronic pain.However,long-term efficacy of DBS is limited,and chronic neuroplastic changes and associated therapeutic mechanisms are not well understood.Fundamental and mechanistic investigation,typically accomplished in small animal models,is difficult because of the need for chronic stimulators that currently require either frequent handling of test subjects to charge battery-powered systems or specialized setups to manage tethers that restrict experimental paradigms and compromise insight.To overcome these challenges,we demonstrate a fully implantable,wireless,battery-free platform that allows for chronic DBS in rodents with the capability to control stimulation parameters digitally in real time.The devices are able to provide stimulation over a wide range of frequencies with biphasic pulses and constant voltage control via low-impedance,surface-engineered platinum electrodes.The devices utilize off-the-shelf components and feature the ability to customize electrodes to enable broad utility and rapid dissemination.Efficacy of the system is demonstrated with a readout of stimulation-evoked neural activity in vivo and chronic stimulation of the medial forebrain bundle in freely moving rats to evoke characteristic head motion for over 36 days. | Alex Burton Sang Min Won Arian Kolahi Sohrabi Tucker Stuart Amir Amirhossein Jong Uk Kim Yoonseok Park Andrew Gabros John A.Rogers Flavia Vitale Andrew G.Richardson Philipp Gutruf | 2021 | Microsystems & Nanoengineering2021，7，4： | 0 |
| 17 | Recent advances in microsystem approaches for mechanical characterization of soft biological tissues显示文摘Microsystem technologies for evaluating the mechanical properties of soft biological tissues offer various capabilities relevant to medical research and clinical diagnosis of pathophysiologic conditions.Recent progress includes(1)the development of tissue-compliant designs that provide minimally invasive interfaces to soft,dynamic biological surfaces and(2)improvements in options for assessments of elastic moduli at spatial scales from cellular resolution to macroscopic areas and across depths from superficial levels to deep geometries.This review summarizes a collection of these technologies,with an emphasis on operational principles,fabrication methods,device designs,integration schemes,and measurement features.The core content begins with a discussion of platforms ranging from penetrating filamentary probes and shape-conformal sheets to stretchable arrays of ultrasonic transducers.Subsequent sections examine different techniques based on planar microelectromechanical system(MEMS)approaches for biocompatible interfaces to targets that span scales from individual cells to organs.One highlighted example includes miniature electromechanical devices that allow depth profiling of soft tissue biomechanics across a wide range of thicknesses.The clinical utility of these technologies is in monitoring changes in tissue properties and in targeting/identifying diseased tissues with distinct variations in modulus.The results suggest future opportunities in engineered systems for biomechanical sensing,spanning a broad scope of applications with relevance to many aspects of health care and biology research. | Enming Song Ya Huang Ningge Huang Yongfeng Mei Xinge Yu John A.Rogers | 2022 | Microsystems & Nanoengineering2022，8，4： | 0 |
| 18 | Scalable Electrophysiology of Millimeter-Scale Animals with Electrode Devices显示文摘Millimeter-scale animals such as Caenorhabditis elegans,Drosophila larvae,zebrafish,and bees serve as powerful model organisms in the fields of neurobiology and neuroethology.Various methods exist for recording large-scale electrophysiological signals from these animals.Existing approaches often lack,however,real-time,uninterrupted investigations due to their rigid constructs,geometric constraints,and mechanical mismatch in integration with soft organisms.The recent research establishes the foundations for 3-dimensional flexible bioelectronic interfaces that incorporate microfabricated components and nanoelectronic function with adjustable mechanical properties and multidimensional variability,offering unique capabilities for chronic,stable interrogation and stimulation of millimeter-scale animals and miniature tissue constructs.This review summarizes the most advanced technologies for electrophysiological studies,based on methods of 3-dimensional flexible bioelectronics.A concluding section addresses the challenges of these devices in achieving freestanding,robust,and multifunctional biointerfaces. | Kairu Dong Wen-Che Liu Yuyan Su Yidan Lyu Hao Huang Nenggan Zheng John A.Rogers Kewang Nan | 2023 | Biomedical Engineering Frontiers2023，4，1： | 0 |
| 19 | Analytical Modeling of Flowrate and Its Maxima in Electrochemical Bioelectronics with Drug Delivery Capabilities显示文摘Flowrate control in flexible bioelectronics with targeted drug delivery capabilities is essential to ensure timely and safe delivery.For neuroscience and pharmacogenetics studies in small animals,these flexible bioelectronic systems can be tailored to deliver small drug volumes on a controlled fashion without damaging surrounding tissues from stresses induced by excessively high flowrates.The drug delivery process is realized by an electrochemical reaction that pressurizes the internal bioelectronic chambers to deform a flexible polymer membrane that pumps the drug through a network of microchannels implanted in the small animal.The flowrate temporal profile and global maximum are governed and can be modeled by the ideal gas law.Here,we obtain an analytical solution that groups the relevant mechanical,fluidic,environmental,and electrochemical terms involved in the drug delivery process into a set of three nondimensional parameters.The unique combinations of these three nondimensional parameters(related to the initial pressure,initial gas volume,and microfluidic resistance)can be used to model the flowrate and scale up the flexible bioelectronic design for experiments in medium and large animal models.The analytical solution is divided into(1)a fast variable that controls the maximum flowrate and(2)a slow variable that models the temporal profile.Together,the two variables detail the complete drug delivery process and control using the three nondimensional parameters.Comparison of the analytical model with alternative numerical models shows excellent agreement and validates the analytic modeling approach.These findings serve as a theoretical framework to design and optimize future flexible bioelectronic systems used in biomedical research,or related medical fields,and analytically control the flowrate and its global maximum for successful drug delivery. | Raudel Avila Yixin Wu Rinaldo Garziera John A.Rogers Yonggang Huang | 2022 | Research2022，，3： | 0 |
| 20 | Multimodal epidermal devices for hydration monitoring显示文摘Precise,quantitative in vivo monitoring of hydration levels in the near surface regions of the skin can be useful in preventing skinbased pathologies,and regulating external appearance.Here we introduce multimodal sensors with important capabilities in this context,rendered in soft,ultrathin,‘skin-like’formats with numerous advantages over alternative technologies,including the ability to establish intimate,conformal contact without applied pressure,and to provide spatiotemporally resolved data on both electrical and thermal transport properties from sensitive regions of the skin.Systematic in vitro studies and computational models establish the underlying measurement principles and associated approaches for determination of temperature,thermal conductivity,thermal diffusivity,volumetric heat capacity,and electrical impedance using simple analysis algorithms.Clinical studies on 20 patients subjected to a variety of external stimuli validate the device operation and allow quantitative comparisons of measurement capabilities to those of existing state-of-the-art tools. | Siddharth Krishnan Yunzhou Shi R.Chad Webb Yinji Ma Philippe Bastien Kaitlyn E.Crawford Ao Wang Xue Feng Megan Manco Jonas Kurniawan Edward Tir Yonggang Huang Guive Balooch Rafal M.Pielak John A.Rogers | 2017 | Microsystems & Nanoengineering2017，3，1： | 0 |
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