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2023 Conference on Lasers and Electro-Optics, CLEO 2023

作者： Fang, Jie Zheng, Yuebing Materials Science & Engineering Program Texas Materials Institute The University of Texas at Austin AustinTX78712 United States Walker Department of Mechanical Engineering The University of Texas at Austin AustinTX78712 United States

ISBN: (纸本)9781957171258

By coupling well-designed moderate-refractive-index Mie resonators to monolayer semiconductors, we have demonstrated efficient modulation of two-dimensional excitons in multiple dimensions: far-field excitonic radiation patterns, intrinsic excitonic quantum dynamics, and bosonic exciton-polariton emission lines. © 2023 The Author(s)

关键词： Resonators

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Optothermal multimodal manipulation of micro/nanoparticles

Optothermal multimodal manipulation of micro/nanoparticles

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2023 Conference on Lasers and Electro-Optics, CLEO 2023

作者： Ding, Hongru Kollipara, Pavana Siddhartha Yao, Kan Zheng, Yuebing Walker Department of Mechanical Engineering The University of Texas at Austin AustinTX78712 United States Materials Science & Engineering Program Texas Materials Institute The University of Texas at Austin AustinTX78712 United States

ISBN: (纸本)9781957171258

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Bubble-pen lithography:Fundamentals and applications

Aggregate

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Aggregate 2022年第4期3卷 85-100页

作者： Pavana Siddhartha Kollipara Ritvik Mahendra Jingang Li Yuebing Zheng Walker Department of Mechanical Engineering The University of Texas at AustinAustinTexasUSA Department of Electrical and Computer Engineering The University of Texas at AustinAustinTexasUSA Material Science and Engineering Program Texas Materials InstituteThe University of Texas at AustinAustinTexasUSA

Developing on-chip functional devices requires reliable fabrication methods with high resolution for miniaturization,desired components for enhanced performance,and high throughput for fast prototyping and mass ***,laser-based bubble-pen lithography(BPL)has been developed to enable sub-micron linewidths,in situ synthesis of custom materials,and on-demand patterning for various functional components and *** exploits Marangoni convection induced by a laser-controlled microbubble to attract,accumulate,and immobilize particles,ions,and molecules onto different *** years have witnessed tremendous progress in theory,engineering,and application of BPL,which motivated us to write this ***,an overview of experimental demonstrations and theoretical understandings of BPL is ***,we discuss the advantages of BPL and its diverse applications in quantum dot displays,biological and chemical sensing,clinical diagnosis,nanoalloy synthesis,and *** conclude this review with our perspective on the challenges and future directions of BPL.

关键词： additive manufacturing capillary flow lithography marangoni convection microbubbles sensing

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WE43 Surface Composite with Oxide Particles by Friction Stir Processing

WE43 Surface Composite with Oxide Particles by Friction Stir...

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Magnesium Technology Symposium, 2025, held as part of the TMS Annual Meeting and Exhibition, TMS 2025

作者： Ghauri, Hamza Faisal Shunmugasamy, Vasanth C. Mansoor, Bilal Department of Materials Science and Engineering Texas A&M University College StationTX77840 United States Mechanical Engineering Program Texas A&M University at Qatar Doha Qatar Department of Mechanical Engineering Texas A&M University College StationTX77840 United States

ISBN: (纸本)9783031810602

WE43WE43 has superior mechanical and corrosionCorrosion performance compared to other magnesium alloysMagnesium alloy but surface treatments, mechanical processes, and heat treatments to further enhance its properties continue to be explored. Here we present our preliminary findings about a WE43WE43surface compositeSurface composite with oxide particles produced using friction stir processingFriction stir processing. Significant grain refinement, precipitate redistribution, and increase in microhardness by 25% were achieved in processed regions compared to base material. CorrosionCorrosion testing in 0.9% NaCl solution revealed that the FSP-treated material exhibited a 196% lower Icorr and a more stable open circuit potential (OCP) than cast WE43WE43, suggesting superior corrosion resistanceCorrosion resistance. While the findings promise suitability of the processed alloy for a more intensive range of operating conditions than the cast alloy, further work to study the effect of the size, volume, and composition of the oxide reinforcements needs to be carried out. © The Minerals, Metals & materials Society 2025.

关键词： Grain refinement

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DEVELOPMENT OF A LOW THERMAL EXPANSION NANOCOMPOSITE RESIN FOR MSLA 3D PRINTER

DEVELOPMENT OF A LOW THERMAL EXPANSION NANOCOMPOSITE RESIN F...

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SAMPE 2024 Conference and Exhibition

作者： Sufian, Muhammad A. Sheley, Rahul R. Shadman, Wasi Tanim, Ibrahim K. Cooper, Benicia Tate, Jitendra Materials Science Engineering and Commercialization Program Texas State University 601 University Drive San MarcosTX78666 United States Ingram School of Engineering Texas State University San MarcosTX78666 United States

ISBN: (纸本)9781934551455

Masked Stereolithography (MSLA) is a 3D printing technique that uses an LCD screen and a UV LED light source operated digitally to selectively cure photosensitive resin, forming a three-dimensional object through successive layers cured upon one another. Using MSLA offers superior dimensional precision, efficient surface finish, and printing resolution limits of 30 µm to 140µm, allowing to obtain complex 3D geometries. Using this technique gives advantage of astonishing results in the resolution of 3d printer surface but many times lacks in obtaining desired material properties compared to other available techniques. To overcome this lacuna one of the methods is to create a thin layer coating of nickel plating over the resin which enhances the mechanical strengths, heat diffraction, and resistance to chemicals. In this scenario, the CTE of resin does not align with that of nickel metal. This results in internal stresses when exposed to the harsh environment of space causing the part failure. In this work, an attempt has been made by using epoxy as a base resin and introducing nanomaterial Multi-Walled Carbon Nanotubes (MWCNTs) to reduce the CTE. Out of all different loading levels of MWCNT 0.5 wt% loading showed maximum reduction in terms of CTE which is more than 25% compared to neat resin. Tensile strength and tensile modulus increased by more than 47% and 61%. While flexural modulus increased by 66% and percentage elongation showed a reduction by 38% compared to neat resin. © 2024 Soc. for the Advancement of Material and Process engineering. All rights reserved.

关键词： Nickel plating

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Development of a mid-infrared fiber sensor for molecular monitoring 25

Development of a mid-infrared fiber sensor for molecular mon...

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Optical Fibers and Sensors for Medical Diagnostics, Treatment, and Environmental Applications XXV 2025

作者： Lee, Tse-Ang Xiao, Zhenyang Burghoff, David P. Hutter, Tanya The University of Texas at Austin AustinTX78712 United States The University of Texas AustinTX78712 United States Materials Science and Engineering Program Texas Materials Institute The University of Texas at Austin AustinTX78712 United States

ISBN: (纸本)9781510683686

Mid-infrared (mid-IR) optical fiber sensors offer highly specific and sensitive detection and analysis of various chemical species due to many molecular vibrations and fundamental absorption bands in this range. In this paper, we present a novel optical fiber probe design allowing for controlled optical pathlength. The optical fiber probe was fabricated using a silver halide polycrystalline fiber, a gold-coated short fiber as a mirror, and a connector to align the two parts to face each other. The outer diameter of the connector, 1.59 mm, dictates the overall probe diameter. To demonstrate the sensing performance, a quantum cascade laser (QCL) was coupled to the optical fiber probe to measure glucose solutions at physiological concentration levels by monitoring the C-O stretching vibration at 1,035 cm-1. A detection limit of 8.91 mM for glucose was achieved. The results highlight the potential of the proposed optical fiber probe for molecular detection and analysis, offering a promising solution for chemical and biomedical applications. © 2025 SPIE.

关键词： Gold coatings

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Effect of electrolyte anions on the cycle life of a polymer electrode in aqueous batteries

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escience 2022年第1期2卷 110-115页

作者： Ye Zhang Lihong Zhao Yanliang Liang Xiaojun Wang Yan Yao Department of Electrical and Computer Engineering Materials Science and Engineering ProgramUniversity of HoustonHoustonTX77204USA Texas Center for Superconductivity at the University of Houston HoustonTX77204USA

Redox polymers are a class of high-capacity, low-cost electrode materials for electrochemical energy storage, butthe mechanisms governing their cycling stability are not well understood. Here we investigate the effect of anionson the longevity of a p-dopable polymer through comparing two aqueous zinc-based electrolytes. Galvanostaticcycling studies reveal the polymer has better capacity retention in the presence of triflate anions than that withsulfate anions. Based on electrode microstructural analysis and evolution profiles of the cell stacking pressure, theorigin of capacity decay is ascribed to mechanical fractures induced by volume change of the polymer activematerials during repeated cycling. The volume change of the polymer with the triflate anion is 61% less than thatwith the sulfate anion, resulting in fewer cracks in the electrodes. The difference is related to the different anionsolvation structures—the triflate anion has fewer solvated water molecules compared with the sulfate anion,leading to smaller volume expansion. This work highlights that anions with low solvation degree are preferablefor long-term cycling.

关键词： Aqueous batteries Polymer electrode Anions Volume chang

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Preface to the Special Issue:Anode materials for Rechargeable Batteries

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Acta Metallurgica Sinica(English Letters) 2021年第3期34卷 289-290页

作者： Jianmin Ma Yu-Tao Li School of Physics and Electronics Hunan UniversityChangsha 410082China Materials Science and Engineering Program and Texas Materials InstituteThe University of Texas At AustinAustinTX 78712USA

Rechargeable Li-ion batteries were first commercialized in 1991 by Sony company,and the current portable electronic devices and electric vehicles powered by rechargeable batteries have significantly accelerated the development of social *** Nobel Prize in Chemistry 2019 was also awarded jointly to John ***,*** Whittingham,and Akira Yoshino for their outstanding contribution to rechargeable Li-ion batteries.

关键词： charge jointly enough

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A Review on Application of Poly(3,4-ethylenedioxythiophene) (PEDOT) in Rechargeable Batteries

Organic Materials

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Organic materials 2022年第4期4卷 292-300页

作者： Su, Laisuo Kumar, Shwetha Sunil Manthiram, Arumugam Reeja-Jayan, B. Materials Science and Engineering Program Texas Materials Institute The University of Texas at Austin Austin 78712 TX United States Department of Mechanical Engineering Carnegie Mellon University Pittsburgh 15213 PA United States

Since the very first patent on poly(3,4-ethylenedioxythiophene) (PEDOT) that was filed in 1988, this polymer has been widely utilized and has achieved great success owing to its high electrical conductivity and excellent stability. The application of the conducting polymer, PEDOT, in renewable energy devices, especially rechargeable batteries, is attracting increasing attention due to its potential to solve the energy and climate crisis. In this review, we summarize the research over the past few decades directed toward the application of PEDOT in rechargeable batteries aimed at improving their electrochemical performance. We focus on PEDOT synthesized via oxidative chemical vapor deposition (oCVD), a relatively new process known for its ability to grow conducting polymer thin films with uniform, pinhole-free properties, and controllable thickness and conformality. For a comparison purpose, PEDOT synthesized via solution-based methods is also briefly summarized. Finally, future research directions for applying oCVD PEDOT in rechargeable batteries are discussed. Introduction PEDOT Synthesis Methods Application of oCVD PEDOT in Rechargeable Batteries Applications of Solution-Based PEDOT in Rechargeable Batteries Conclusions and Outlook. © 2022. The Author(s).

关键词： batteries coating oxidative chemical vapor deposition (oCVD) polyethylene dioxythiophene (PEDOT)

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Fluorine-Free Cosolvent Chemistry Empowering Sodium-Sulfurized Polyacrylonitrile Batteries

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Advanced Energy materials 2025年第0期

作者： Pai, Min-Hao Manthiram, Arumugam Materials Science and Engineering Program & Walker Department of Mechanical Engineering The University of Texas at Austin AustinTX78712 United States

Localized high-concentration electrolytes (LHCE) show great promise for room-temperature sodium-sulfur batteries. However, the majority of diluents in LHCE systems consist of fluorinated ethers, which are not only dense and expensive but also demonstrate poor reductive stability with sodium metal. Herein, a low-density, non-fluorinated ether electrolyte is presented that demonstrates localized high-concentration behavior. This feature is driven by the weak solvating capabilities of 1,2-dimethoxypropane (DMP) and the ultra-weak solvating nature of cyclopentyl methyl ether (CPME). Impressively, the fluorine-free CPME cosolvent acts as a diluent within the electrolyte. Therefore, the electrolyte achieves a tailored solvation structure characterized by anion-rich species, which fosters the development of a resilient inorganic-rich SEI with superior Na-ion transport. Consequently, with a high sulfur-content sulfurized polyacrylonitrile (SPAN, S content > 45% in SPAN) loading of 4.4 mg cm⁻2 (sulfur loading: 2 mg cm⁻2) and a low electrolyte-to-SPAN ratio of 9 µL mg⁻¹ (E/SPAN = 9), the Na-SPAN cell demonstrates remarkable reversibility of 530 mA h gsulfur⁻¹ after 200 cycles at C/5 rate. This performance surpasses the majority of state-of-the-art Na-SPAN ether-based electrolyte systems reported to date. Hence, this work presents a novel approach for designing cost-effective, high-performance electrolytes for stable, practical Na-SPAN batteries. © 2025 Wiley-VCH GmbH.

关键词： Sodium-ion batteries

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