1
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Röhlig D, Kuhn E, Thränhardt A, Blaudeck T. Simultaneous occurrence and compensating effects of multi‐type disorder in two‐dimensional photonic structures. NANO SELECT 2023. [DOI: 10.1002/nano.202300021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023] Open
Affiliation(s)
- David Röhlig
- Technische Universität Chemnitz Institute of Physics Chemnitz Germany
| | - Eduard Kuhn
- Technische Universität Chemnitz Institute of Physics Chemnitz Germany
| | - Angela Thränhardt
- Technische Universität Chemnitz Institute of Physics Chemnitz Germany
| | - Thomas Blaudeck
- Center for Microtechnologies (ZfM) Technische Universität Chemnitz Chemnitz Germany
- Research Center for Materials, Architectures and Integration of Nanomembranes (MAIN) Technische Universität Chemnitz Chemnitz Germany
- Fraunhofer Institute for Electronic Nano Systems (ENAS) Chemnitz Germany
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2
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Bogachuk D, Girard J, Tilala S, Martineau D, Narbey S, Verma A, Hinsch A, Kohlstädt M, Wagner L. Nanoarchitectonics in fully printed perovskite solar cells with carbon-based electrodes. NANOSCALE 2023; 15:3130-3134. [PMID: 36723028 DOI: 10.1039/d2nr05856a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
A sacrificial film of polystyrene nanoparticles was utilized to introduce nano-cavities into mesoporous metal oxide layers. This enabled the growth of larger perovskite crystals inside the oxide scaffold with significantly suppressed non-radiative recombination and improved device performance. This work exemplifies potential applications of such nanoarchitectonic approaches in perovskite opto-electronic devices.
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Affiliation(s)
- Dmitry Bogachuk
- Fraunhofer Institute for Solar Energy Systems ISE, Heidenhofstr. 2, 79110 Freiburg, Germany.
| | - Jessica Girard
- Solaronix SA, Rue de l'Ouriette 129, Aubonne 1170, Switzerland
| | - Siddharth Tilala
- Fraunhofer Institute for Solar Energy Systems ISE, Heidenhofstr. 2, 79110 Freiburg, Germany.
| | - David Martineau
- Solaronix SA, Rue de l'Ouriette 129, Aubonne 1170, Switzerland
| | | | - Anand Verma
- Solaronix SA, Rue de l'Ouriette 129, Aubonne 1170, Switzerland
| | - Andreas Hinsch
- Fraunhofer Institute for Solar Energy Systems ISE, Heidenhofstr. 2, 79110 Freiburg, Germany.
| | - Markus Kohlstädt
- Fraunhofer Institute for Solar Energy Systems ISE, Heidenhofstr. 2, 79110 Freiburg, Germany.
- Freiburg Materials Research Center FMF, University of Freiburg, Stefan-Meier-Str. 21, 79104 Freiburg, Germany
| | - Lukas Wagner
- Solar Energy Conversion Group, Department of Physics, Philipps-University Marburg, Renthof 7, 35037 Marburg, Germany
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3
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Chen H, Zhang Y, Wang H, Dong X, Zang D. Evaporation Caused Invaginations of Acoustically Levitated Colloidal Droplets. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 13:133. [PMID: 36616043 PMCID: PMC9824602 DOI: 10.3390/nano13010133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 12/18/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
Controlled buckling of colloidal droplets via acoustic levitation plays an important role in pharmaceutical, coating, and material self-assembly. In this study, the evaporation process of PTFE colloidal droplets with two particle concentrations (60 wt% and 20 wt%) was investigated under acoustic levitation. We report the occurrence of surface invagination caused by evaporation. For the high particle concentration droplet, the upper surface was invaginated, eventually forming a bowl-shaped structure. While for the low particle concentration droplet, both the upper and lower surfaces of the droplet were invaginated, resulting in a doughnut-like structure. For the acoustically levitated oblate spherical droplet, the dispersant loss at the equatorial area of the droplet is greater than that at the two poles. Therefore, the thickness of the solid shell on the surface of the droplet was not uniform, resulting in invagination at the weaker pole area. Moreover, once the droplet surface was buckling, the hollow cavity on the droplet surface would absorb the sound energy and results in strong positive acoustic radiation pressure at bottom of the invagination, thus further prompting the invagination process.
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Affiliation(s)
- Hongyue Chen
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions, School of Physical Science and Technology, Northwestern Polytechnical University, Xi’an 710129, China
| | - Yongjian Zhang
- Shaanxi Key Laboratory of Surface Engineering and Remanufacturing, School of Mechanical and Material Engineering, Xi’an University, Xi’an 710065, China
| | - Heyi Wang
- Shaanxi Key Laboratory of Surface Engineering and Remanufacturing, School of Mechanical and Material Engineering, Xi’an University, Xi’an 710065, China
| | - Xin Dong
- Shaanxi Key Laboratory of Surface Engineering and Remanufacturing, School of Mechanical and Material Engineering, Xi’an University, Xi’an 710065, China
| | - Duyang Zang
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions, School of Physical Science and Technology, Northwestern Polytechnical University, Xi’an 710129, China
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4
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Kim H, Gonçalves M, Kang SH, Weon BM. High density deposits of binary colloids. Sci Rep 2022; 12:22307. [PMID: 36566318 PMCID: PMC9790000 DOI: 10.1038/s41598-022-26151-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 12/09/2022] [Indexed: 12/25/2022] Open
Abstract
Colloids are essential materials for modern inkjet printing and coating technology. For printing and coating, it is desirable to have a high density of colloids with uniformity. Binary colloids, which consist of different size colloidal particles, have the potential to achieve high coating density and uniformity from size effects. We report a strategy to attain high-density deposits of binary colloids with uniform, crack-free, and symmetric deposits through droplet evaporation on micropillar arrays. We modify surfaces of micropillar arrays with plasma treatment to control their surface energy and investigate how binary colloidal fluids turn into well-controlled deposits during evaporation with X-ray microscopic and tomographic characterizations. We attribute temporary surface energy modification of micropillar arrays to the well-controlled high-density final deposits. This simple, low-cost, and scalable strategy would provide a viable way to get high-quality, high-density deposits of colloids for various applications.
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Affiliation(s)
- Hyoeun Kim
- grid.264381.a0000 0001 2181 989XSoft Matter Physics Laboratory, School of Advanced Materials Science and Engineering, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 16419 South Korea ,grid.264381.a0000 0001 2181 989XResearch Center for Advanced Materials Technology, Sungkyunkwan University, Suwon, 16419 South Korea ,grid.21107.350000 0001 2171 9311Department of Mechanical Engineering and Hopkins Extreme Materials Institute, Johns Hopkins University, Baltimore, MD 21218 USA
| | - Marta Gonçalves
- grid.264381.a0000 0001 2181 989XSoft Matter Physics Laboratory, School of Advanced Materials Science and Engineering, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 16419 South Korea
| | - Sung Hoon Kang
- grid.21107.350000 0001 2171 9311Department of Mechanical Engineering and Hopkins Extreme Materials Institute, Johns Hopkins University, Baltimore, MD 21218 USA
| | - Byung Mook Weon
- grid.264381.a0000 0001 2181 989XSoft Matter Physics Laboratory, School of Advanced Materials Science and Engineering, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 16419 South Korea ,grid.264381.a0000 0001 2181 989XResearch Center for Advanced Materials Technology, Sungkyunkwan University, Suwon, 16419 South Korea
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5
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Rehberger M, Mertin J, Vedder C, Stollenwerk J, Schleifenbaum JH. Rotation Grids for Improved Electrical Properties of Inkjet-Printed Strain Gauges. SENSORS (BASEL, SWITZERLAND) 2022; 22:6119. [PMID: 36015880 PMCID: PMC9415692 DOI: 10.3390/s22166119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/08/2022] [Accepted: 08/11/2022] [Indexed: 06/15/2023]
Abstract
We report an image data driven approach for inkjet printing (IJP) to improve the electrical properties of printed metallic strain gauges (SGs). The examined SGs contain narrow conducting paths of multiple orientations and therefore suffer from two challenges: 1. The printing direction of inkjet printed conducting paths has an impact on film formation and electrical properties. 2. A loss-free rotation algorithm for IJP image data is lacking. New ways of IJP image data processing are required to compensate for quality-reducing effects. Novel grid types in terms of loss-free rotation algorithms are introduced. For this purpose, a new grid (e.g., 45° tilted) with a different grid constant is placed over a given pixel grid in such a way that all cell centers of the given pixel grid can be transferred to the rotated grid. Via straightening the tilt, the image data is rotated without interpolation and information loss. By applying these methods to measurement gratings of a full bridge with two perpendicular grating orientations, the influence on the manufacturing quality is investigated. It turns out that the electrical detuning of full bridges can be reduced by one order of magnitude compared to state-of-the-art printing by using so-called diagonal rotation grids.
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Affiliation(s)
| | - Jonas Mertin
- Fraunhofer Institute for Laser Technology ILT, 52074 Aachen, Germany
| | - Christian Vedder
- Fraunhofer Institute for Laser Technology ILT, 52074 Aachen, Germany
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6
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Ghosh S, Johnson MV, Neupane R, Hardin J, Berrigan JD, Kalidindi SR, Kong YL. Machine learning-enabled feature classification of evaporation-driven multi-scale 3D printing. FLEXIBLE AND PRINTED ELECTRONICS 2022; 7:014011. [PMID: 35528227 PMCID: PMC9074853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The freeform generation of active electronics can impart advanced optical, computational, or sensing capabilities to an otherwise passive construct by overcoming the geometrical and mechanical dichotomies between conventional electronics manufacturing technologies and a broad range of three-dimensional (3D) systems. Previous work has demonstrated the capability to entirely 3D print active electronics such as photodetectors and light-emitting diodes by leveraging an evaporation-driven multi-scale 3D printing approach. However, the evaporative patterning process is highly sensitive to print parameters such as concentration and ink composition. The assembly process is governed by the multiphase interactions between solutes, solvents, and the microenvironment. The process is susceptible to environmental perturbations and instability, which can cause unexpected deviation from targeted print patterns. The ability to print consistently is particularly important for the printing of active electronics, which require the integration of multiple functional layers. Here we demonstrate a synergistic integration of a microfluidics-driven multi-scale 3D printer with a machine learning algorithm that can precisely tune colloidal ink composition and classify complex internal features. Specifically, the microfluidic-driven 3D printer can rapidly modulate ink composition, such as concentration and solvent-to-cosolvent ratio, to explore multi-dimensional parameter space. The integration of the printer with an image-processing algorithm and a support vector machine-guided classification model enables automated, in-situ pattern classification. We envision that such integration will provide valuable insights in understanding the complex evaporative-driven assembly process and ultimately enable an autonomous optimisation of printing parameters that can robustly adapt to unexpected perturbations.
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Affiliation(s)
- Samannoy Ghosh
- Department of Mechanical Engineering, University of Utah, Salt Lake City, UT, 84112, USA
| | - Marshall V. Johnson
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30313, USA
| | - Rajan Neupane
- Department of Mechanical Engineering, University of Utah, Salt Lake City, UT, 84112, USA
| | - James Hardin
- Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson Air Force Base, OH, USA
| | - John Daniel Berrigan
- Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson Air Force Base, OH, USA
| | - Surya R. Kalidindi
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30313, USA
| | - Yong Lin Kong
- Department of Mechanical Engineering, University of Utah, Salt Lake City, UT, 84112, USA
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7
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Kawabata K, Totani M, Kawaguchi D, Matsuno H, Tanaka K. Two-Dimensional Cellular Patterning on a Polymer Film Based on Interfacial Stiffness. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:14911-14919. [PMID: 34902971 DOI: 10.1021/acs.langmuir.1c02776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The mechanical properties in the outermost region of a polymer film strongly affect various material functions. We here propose a novel and promising strategy for the two-dimensional regulation of the mechanical properties of a polymer film at the water interface based on an inkjet drawing of silica nanoparticles (SNPs) underneath it. A film of poly(2-hydroxyethyl methacrylate) (PHEMA), which exhibits excellent bioinertness properties at the water interface, was well fabricated on a substrate with a pattern of SNPs. X-ray photoelectron spectroscopy and atomic force microscopy confirmed that the surface of the PHEMA film was flat and chemically homogeneous. However, the film surface was in-plane heterogeneous in stiffness due to the presence of the underlying SNP lines. It was also noted that NIH/3T3 fibroblast cells selectively adhered and formed aggregates on the areas under which an SNP line was drawn.
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Affiliation(s)
- Kento Kawabata
- Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
| | - Masayasu Totani
- Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
| | - Daisuke Kawaguchi
- Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
- Centre for Polymer Interface and Molecular Adhesion Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Hisao Matsuno
- Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
- Centre for Polymer Interface and Molecular Adhesion Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Keiji Tanaka
- Department of Applied Chemistry, Kyushu University, Fukuoka 819-0395, Japan
- Centre for Polymer Interface and Molecular Adhesion Science, Kyushu University, Fukuoka 819-0395, Japan
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8
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Kuhn E, Röhlig D, Sowade E, Rittrich D, Willert A, Schulz SE, Baumann RR, Thränhardt A, Blaudeck T. Disorder explains dual‐band reflection spectrum in spherical colloidal photonic supraparticle assemblies. NANO SELECT 2021. [DOI: 10.1002/nano.202100263] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- Eduard Kuhn
- Theoretical Physics Simulation of New Materials Technische Universität Chemnitz 09107 Chemnitz Germany
| | - David Röhlig
- Theoretical Physics Simulation of New Materials Technische Universität Chemnitz 09107 Chemnitz Germany
| | - Enrico Sowade
- Digital Printing and Imaging Technology Technische Universität Chemnitz 09107 Chemnitz Germany
| | - Dirk Rittrich
- Center for Microtechnologies (ZfM) Technische Universität Chemnitz 09107 Chemnitz Germany
| | - Andreas Willert
- Printed Functionalities Fraunhofer Institute for Electronic Nano Systems (ENAS) 09126 Chemnitz Germany
| | - Stefan E. Schulz
- Center for Microtechnologies (ZfM) Technische Universität Chemnitz 09107 Chemnitz Germany
- Nano Device Technologies Fraunhofer Institute for Electronic Nano Systems (ENAS) 09126 Chemnitz Germany
- Research Center for Materials, Architectures and Integration of Nanomembranes (MAIN) Technische Universität Chemnitz 09107 Chemnitz Germany
| | - Reinhard R. Baumann
- Digital Printing and Imaging Technology Technische Universität Chemnitz 09107 Chemnitz Germany
- Printed Functionalities Fraunhofer Institute for Electronic Nano Systems (ENAS) 09126 Chemnitz Germany
| | - Angela Thränhardt
- Theoretical Physics Simulation of New Materials Technische Universität Chemnitz 09107 Chemnitz Germany
| | - Thomas Blaudeck
- Center for Microtechnologies (ZfM) Technische Universität Chemnitz 09107 Chemnitz Germany
- Nano Device Technologies Fraunhofer Institute for Electronic Nano Systems (ENAS) 09126 Chemnitz Germany
- Research Center for Materials, Architectures and Integration of Nanomembranes (MAIN) Technische Universität Chemnitz 09107 Chemnitz Germany
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9
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Kabi P, Razdan V, Roy D, Bansal L, Sahoo S, Mukherjee R, Chaudhuri S, Basu S. Evaporation-induced alterations in oscillation and flow characteristics of a sessile droplet on a rose-mimetic surface. SOFT MATTER 2021; 17:1487-1496. [PMID: 33459336 DOI: 10.1039/d0sm02106g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Strategic control of evaporation dynamics can help control oscillation modes and internal flow field in an oscillating sessile droplet. This article presents the study of an oscillating droplet on a bio-inspired "sticky" surface to better understand the nexus between the modes of evaporation and oscillation. Oscillation in droplets can be characterized by the number of nodes forming on the surface and is referred to as the mode of oscillation. An evaporating sessile droplet under constant periodic perturbation naturally self-tunes between different oscillation modes depending on its geometry. The droplet geometry evolves according to the mode of evaporation controlled by substrate topography. We use a bio-inspired, rose patterned, "sticky" hydrophobic substrate to perpetually pin the contact line of the droplet in order to hence achieve a single mode of evaporation for most of the droplet's lifetime. This allows the prediction of experimentally observed oscillation mode transitions at different excitation frequencies. We present simple scaling arguments to predict the velocity of the internal flow induced by the oscillation. The findings are beneficial to applications which seek to tailor energy and mass transfer rates across liquid droplets by using bio-inspired surfaces.
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Affiliation(s)
- Prasenjit Kabi
- Department of Mechanical Engineering, Indian Institute of Science, Bangalore, India.
| | - Vishank Razdan
- Department of Mechanical Engineering, Indian Institute of Science, Bangalore, India.
| | - Durbar Roy
- Department of Mechanical Engineering, Indian Institute of Science, Bangalore, India.
| | - Lalit Bansal
- School of Mechanical Engineering, Vellore Institute of Technology, Vellore, India
| | - Sumita Sahoo
- Department of Chemical Engineering, Indian Institute of Technology Kharagpur, Kharagpur, India
| | - Rabibrata Mukherjee
- Department of Chemical Engineering, Indian Institute of Technology Kharagpur, Kharagpur, India
| | | | - Saptarshi Basu
- Department of Mechanical Engineering, Indian Institute of Science, Bangalore, India.
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10
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Zhang P, Wu X, Gardashova G, Yang Y, Zhang Y, Xu L, Zeng Y. Molecular and functional extracellular vesicle analysis using nanopatterned microchips monitors tumor progression and metastasis. Sci Transl Med 2020; 12:eaaz2878. [PMID: 32522804 PMCID: PMC8024111 DOI: 10.1126/scitranslmed.aaz2878] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 12/30/2019] [Accepted: 04/02/2020] [Indexed: 12/14/2022]
Abstract
Longitudinal cancer monitoring is crucial to clinical implementation of precision medicine. There is growing evidence indicating important functions of extracellular vesicles (EVs) in tumor progression and metastasis, including matrix remodeling via transporting matrix metalloproteases (MMPs). However, the clinical relevance of EVs remains largely undetermined, partially owing to challenges in EV analysis. Distinct from existing technologies mostly focused on characterizing molecular constituents of EVs, here we report a nanoengineered lab-on-a-chip system that enables integrative functional and molecular phenotyping of tumor-associated EVs. A generalized, high-resolution colloidal inkjet printing method was developed to allow robust and scalable manufacturing of three-dimensional (3D) nanopatterned devices. With this nanochip platform, we demonstrated integrative analysis of the expression and proteolytic activity of MMP14 on EVs to detect in vitro cell invasiveness and monitor in vivo tumor metastasis, using cancer cell lines and mouse models. Analysis of clinical plasma specimen showed that our technology could be used for cancer detection including accurate classification of age-matched controls and patients with ductal carcinoma in situ, invasive ductal carcinoma, or locally metastatic breast cancer in a training cohort (n = 30, 96.7% accuracy) and an independent validation cohort (n = 70, 92.9% accuracy). With clinical validation, our technology could provide a useful liquid biopsy tool to improve cancer diagnostics and real-time surveillance of tumor evolution in patients to inform personalized therapy.
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Affiliation(s)
- Peng Zhang
- Department of Chemistry, University of Kansas, Lawrence, KS 66045, USA
| | - Xiaoqing Wu
- Department of Molecular Biosciences, University of Kansas, Lawrence, KS 66045, USA
| | - Gulhumay Gardashova
- Department of Molecular Biosciences, University of Kansas, Lawrence, KS 66045, USA
| | - Yang Yang
- Department of Chemistry, University of Kansas, Lawrence, KS 66045, USA
| | - Yaohua Zhang
- Bioengineering Graduate Program, University of Kansas, Lawrence, KS 66045, USA
| | - Liang Xu
- Department of Molecular Biosciences, University of Kansas, Lawrence, KS 66045, USA.
- Department of Radiation Oncology, University of Kansas Medical Center, Kansas City, KS 66160, USA
- University of Kansas Cancer Center, Kansas City, KS 66160, USA
| | - Yong Zeng
- Department of Chemistry, University of Kansas, Lawrence, KS 66045, USA.
- Bioengineering Graduate Program, University of Kansas, Lawrence, KS 66045, USA
- University of Kansas Cancer Center, Kansas City, KS 66160, USA
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11
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Kubochkin N, Venzmer J, Gambaryan-Roisman T. Superspreading and Drying of Trisiloxane-Laden Quantum Dot Nanofluids on Hydrophobic Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:3798-3813. [PMID: 32208609 DOI: 10.1021/acs.langmuir.0c00337] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Nanofluids hold promise for a wide range of areas of industry. However, understanding the wetting behavior and deposition formation in the course of drying and spreading of nanofluids, particularly containing surfactants, is still poor. In this paper, the evaporation dynamics of quantum dot-based nanofluids and evaporation-driven self-assembly in nanocolloidal suspensions on hexamethyldisilazane-, polystyrene-, and polypropylene-coated hydrophobic surfaces have been studied experimentally. Moreover, for the very first time, we make a step toward understanding the wetting dynamics of superspreader surfactant-laden nanofluids. It was revealed that drying of surfactant-free quantum dot nanofluids in contrast to pure liquids undergoes not three but four evaporation modes including last additional pinning mode when the contact angle decreases while the triple contact line is pinned by the nanocrystals. In contrast to previous studies, it was found out that addition of nanoparticles to aqueous surfactant solutions leads to deterioration of the spreading rate and to formation of a double coffee ring. For all surfaces examined, superspreading in the presence and absence of quantum dot nanoparticles takes place. Despite the formation of coffee rings on all substrates, they have different morphologies. In particular, the knot-like structures are incorporated into the ring on hexamethyldisilazane- and polystyrene-coated surfaces.
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Affiliation(s)
- Nikolai Kubochkin
- Institute for Technical Thermodynamics, Technische Universität Darmstadt, Alarich Weiss Strasse 10, 64287 Darmstadt, Germany
| | - Joachim Venzmer
- Research Interfacial Technology, Evonik Nutrition & Care GmbH, Goldschmidtstrasse 100, 45127 Essen, Germany
| | - Tatiana Gambaryan-Roisman
- Institute for Technical Thermodynamics, Technische Universität Darmstadt, Alarich Weiss Strasse 10, 64287 Darmstadt, Germany
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12
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Kang H, Lee GH, Jung H, Lee JW, Nam Y. Inkjet-Printed Biofunctional Thermo-Plasmonic Interfaces for Patterned Neuromodulation. ACS NANO 2018; 12:1128-1138. [PMID: 29402086 DOI: 10.1021/acsnano.7b06617] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Localized heat generation by the thermo-plasmonic effect of metal nanoparticles has great potential in biomedical engineering research. Precise patterning of the nanoparticles using inkjet printing can enable the application of the thermo-plasmonic effect in a well-controlled way (shape and intensity). However, a universally applicable inkjet printing process that allows good control in patterning and assembly of nanoparticles with good biocompatibility is missing. Here we developed inkjet-printing-based biofunctional thermo-plasmonic interfaces that can modulate biological activities. We found that inkjet printing of plasmonic nanoparticles on a polyelectrolyte layer-by-layer substrate coating enables high-quality, biocompatible thermo-plasmonic interfaces across various substrates (rigid/flexible, hydrophobic/hydrophilic) by induced contact line pinning and electrostatically assisted nanoparticle assembly. We experimentally confirmed that the generated heat from the inkjet-printed thermo-plasmonic patterns can be applied in micrometer resolution over a large area. Lastly, we demonstrated that the patterned thermo-plasmonic effect from the inkjet-printed gold nanorods can selectively modulate neuronal network activities. This inkjet printing process therefore can be a universal method for biofunctional thermo-plasmonic interfaces in various bioengineering applications.
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Affiliation(s)
- Hongki Kang
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141, Republic of Korea
| | - Gu-Haeng Lee
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141, Republic of Korea
| | - Hyunjun Jung
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141, Republic of Korea
| | - Jee Woong Lee
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141, Republic of Korea
| | - Yoonkey Nam
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141, Republic of Korea
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13
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Alberts E, Warner C, Barnes E, Pilkiewicz K, Perkins E, Poda A. Genetically tunable M13 phage films utilizing evaporating droplets. Colloids Surf B Biointerfaces 2018; 161:210-218. [DOI: 10.1016/j.colsurfb.2017.10.039] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 08/11/2017] [Accepted: 10/12/2017] [Indexed: 12/30/2022]
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14
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Parsa M, Harmand S, Sefiane K, Bigerelle M, Deltombe R. Effect of Substrate Temperature on Pattern Formation of Bidispersed Particles from Volatile Drops. J Phys Chem B 2017; 121:11002-11017. [DOI: 10.1021/acs.jpcb.7b09700] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Maryam Parsa
- LAMIH
Laboratory, UMR CNRS 8201, University of Valenciennes, Valenciennes 59313, France
- University of Lille Nord de France, Rue Jules Guesde, Villeneuve d’Ascq 59658, France
| | - Souad Harmand
- LAMIH
Laboratory, UMR CNRS 8201, University of Valenciennes, Valenciennes 59313, France
- University of Lille Nord de France, Rue Jules Guesde, Villeneuve d’Ascq 59658, France
| | - Khellil Sefiane
- School
of Engineering, University of Edinburgh, Kings Buildings, Edinburgh EH9 3JL, U.K
- International
Institute for Carbon-Neutral Energy Research (I2CNER), Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
| | - Maxence Bigerelle
- LAMIH
Laboratory, UMR CNRS 8201, University of Valenciennes, Valenciennes 59313, France
- University of Lille Nord de France, Rue Jules Guesde, Villeneuve d’Ascq 59658, France
| | - Raphaël Deltombe
- LAMIH
Laboratory, UMR CNRS 8201, University of Valenciennes, Valenciennes 59313, France
- University of Lille Nord de France, Rue Jules Guesde, Villeneuve d’Ascq 59658, France
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Inkjet Printing of Drug-Loaded Mesoporous Silica Nanoparticles-A Platform for Drug Development. Molecules 2017; 22:molecules22112020. [PMID: 29160839 PMCID: PMC6150386 DOI: 10.3390/molecules22112020] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 11/12/2017] [Accepted: 11/17/2017] [Indexed: 12/22/2022] Open
Abstract
Mesoporous silica nanoparticles (MSNs) have shown great potential in improving drug delivery of poorly water soluble (BCS class II, IV) and poorly permeable (BCS class III, IV) drugs, as well as facilitating successful delivery of unstable compounds. The nanoparticle technology would allow improved treatment by reducing adverse reactions of currently approved drugs and possibly reintroducing previously discarded compounds from the drug development pipeline. This study aims to highlight important aspects in mesoporous silica nanoparticle (MSN) ink formulation development for digital inkjet printing technology and to advice on choosing a method (2D/3D) for nanoparticle print deposit characterization. The results show that both unfunctionalized and polyethyeleneimine (PEI) surface functionalized MSNs, as well as drug-free and drug-loaded MSN-PEI suspensions, can be successfully inkjet-printed. Furthermore, the model BCS class IV drug remained incorporated in the MSNs and the suspension remained physically stable during the processing time and steps. This proof-of-concept study suggests that inkjet printing technology would be a flexible deposition method of pharmaceutical MSN suspensions to generate patterns according to predefined designs. The concept could be utilized as a versatile drug screening platform in the future due to the possibility of accurately depositing controlled volumes of MSN suspensions on various materials.
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Lotito V, Zambelli T. Approaches to self-assembly of colloidal monolayers: A guide for nanotechnologists. Adv Colloid Interface Sci 2017; 246:217-274. [PMID: 28669390 DOI: 10.1016/j.cis.2017.04.003] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Revised: 04/04/2017] [Accepted: 04/05/2017] [Indexed: 01/08/2023]
Abstract
Self-assembly of quasi-spherical colloidal particles in two-dimensional (2D) arrangements is essential for a wide range of applications from optoelectronics to surface engineering, from chemical and biological sensing to light harvesting and environmental remediation. Several self-assembly approaches have flourished throughout the years, with specific features in terms of complexity of the implementation, sensitivity to process parameters, characteristics of the final colloidal assembly. Selecting the proper method for a given application amidst the vast literature in this field can be a challenging task. In this review, we present an extensive classification and comparison of the different techniques adopted for 2D self-assembly in order to provide useful guidelines for scientists approaching this field. After an overview of the main applications of 2D colloidal assemblies, we describe the main mechanisms underlying their formation and introduce the mathematical tools commonly used to analyse their final morphology. Subsequently, we examine in detail each class of self-assembly techniques, with an explanation of the physical processes intervening in crystallization and a thorough investigation of the technical peculiarities of the different practical implementations. We point out the specific characteristics of the set-ups and apparatuses developed for self-assembly in terms of complexity, requirements, reproducibility, robustness, sensitivity to process parameters and morphology of the final colloidal pattern. Such an analysis will help the reader to individuate more easily the approach more suitable for a given application and will draw the attention towards the importance of the details of each implementation for the final results.
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17
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Wu S, Liu B, Su X, Zhang S. Structural Color Patterns on Paper Fabricated by Inkjet Printer and Their Application in Anticounterfeiting. J Phys Chem Lett 2017; 8:2835-2841. [PMID: 28598163 DOI: 10.1021/acs.jpclett.7b01372] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Inkjet-printed structural color patterns have attracted great attention in recent years because of their broadly promising applications. However, the patterns are usually fabricated on pretreated plastic substrates. Herein a convenient inkjet printing method was developed to fabricate large-scale computer-designed structural color patterns on photo paper without any treatment using inks containing monodisperse CdS spheres. By this strategy, not only were the single-color and multicolor structural color patterns on paper successfully obtained, but also invisible photonic anticounterfeiting was achieved without any external stimuli. The key point of this anticounterfeiting technique is printing patterns and the background with inks containing uniformed CdS spheres with different diameters but similar intrinsic colors, so that the invisible patterns can be observed clearly by simply changing the viewing angle. The invisible and visible can be realized without the change of intrinsic structure, and the patterns are all solids. The patterns will have long lifetime and good durability, which is beneficial for their practical usage.
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Affiliation(s)
- Suli Wu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology , 2 Linggong Road, Dalian 116024, PR China
| | - Baoqi Liu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology , 2 Linggong Road, Dalian 116024, PR China
| | - Xin Su
- State Key Laboratory of Fine Chemicals, Dalian University of Technology , 2 Linggong Road, Dalian 116024, PR China
| | - Shufen Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology , 2 Linggong Road, Dalian 116024, PR China
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Ryu SA, Kim JY, Kim SY, Weon BM. Drying-mediated patterns in colloid-polymer suspensions. Sci Rep 2017; 7:1079. [PMID: 28439069 PMCID: PMC5430651 DOI: 10.1038/s41598-017-00932-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 03/17/2017] [Indexed: 11/09/2022] Open
Abstract
Drying-mediated patterning of colloidal particles is a physical phenomenon that must be understood in inkjet printing technology to obtain crack-free uniform colloidal films. Here we experimentally study the drying-mediated patterns of a model colloid-polymer suspension and specifically observe how the deposit pattern appears after droplet evaporation by varying particle size and polymer concentration. We find that at a high polymer concentration, the ring-like pattern appears in suspensions with large colloids, contrary to suppression of ring formation in suspensions with small colloids thanks to colloid-polymer interactions. We attribute this unexpected reversal behavior to hydrodynamics and size dependence of colloid-polymer interactions. This finding would be very useful in developing control of drying-mediated self-assembly to produce crack-free uniform patterns from colloidal fluids.
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Affiliation(s)
- Seul-A Ryu
- Soft Matter Physics Laboratory, School of Advanced Materials Science and Engineering, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 16419, Korea
| | - Jin Young Kim
- Soft Matter Physics Laboratory, School of Advanced Materials Science and Engineering, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 16419, Korea
| | - So Youn Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Korea
| | - Byung Mook Weon
- Soft Matter Physics Laboratory, School of Advanced Materials Science and Engineering, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 16419, Korea.
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Ooi Y, Hanasaki I, Mizumura D, Matsuda Y. Suppressing the coffee-ring effect of colloidal droplets by dispersed cellulose nanofibers. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 2017; 18:316-324. [PMID: 28567177 PMCID: PMC5439399 DOI: 10.1080/14686996.2017.1314776] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Accepted: 03/30/2017] [Indexed: 05/04/2023]
Abstract
We report that the addition of a small amount of cellulose nanofibers (CNFs) into an aqueous dispersion of colloidal particles suppresses the coffee-ring effect when the dispersion dries on a solid substrate, as revealed by the computational analysis of experimental time-series images and by particle image velocimetry. The addition of CNFs is much more effective than the increase of colloidal particle concentration at the same weight percentage; it is also more environment friendly than the use of typical molecular surfactants. This finding is promising for the fabrication of metamaterials from colloidal dispersions and for ink printing in electronics, where CNFs can also serve as a substrate for flexible devices.
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Affiliation(s)
- Yuto Ooi
- Institute of Engineering, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Itsuo Hanasaki
- Institute of Engineering, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Daiki Mizumura
- Institute of Engineering, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Yu Matsuda
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya, Japan
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Alamán J, Alicante R, Peña JI, Sánchez-Somolinos C. Inkjet Printing of Functional Materials for Optical and Photonic Applications. MATERIALS (BASEL, SWITZERLAND) 2016; 9:E910. [PMID: 28774032 PMCID: PMC5457235 DOI: 10.3390/ma9110910] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 10/26/2016] [Accepted: 11/04/2016] [Indexed: 12/16/2022]
Abstract
Inkjet printing, traditionally used in graphics, has been widely investigated as a valuable tool in the preparation of functional surfaces and devices. This review focuses on the use of inkjet printing technology for the manufacturing of different optical elements and photonic devices. The presented overview mainly surveys work done in the fabrication of micro-optical components such as microlenses, waveguides and integrated lasers; the manufacturing of large area light emitting diodes displays, liquid crystal displays and solar cells; as well as the preparation of liquid crystal and colloidal crystal based photonic devices working as lasers or optical sensors. Special emphasis is placed on reviewing the materials employed as well as in the relevance of inkjet in the manufacturing of the different devices showing in each of the revised technologies, main achievements, applications and challenges.
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Affiliation(s)
- Jorge Alamán
- Departamento de Física de la Materia Condensada, Instituto de Ciencia de Materiales de Aragón (ICMA), CSIC-Universidad de Zaragoza, C./Pedro Cerbuna 12, Zaragoza 50009, Spain.
- BSH, Polígono Industrial de PLA-ZA, Ronda del Canal Imperial de Aragón, 18-20, Zaragoza 50197, Spain.
| | - Raquel Alicante
- Departamento de Física de la Materia Condensada, Instituto de Ciencia de Materiales de Aragón (ICMA), CSIC-Universidad de Zaragoza, C./Pedro Cerbuna 12, Zaragoza 50009, Spain.
| | - Jose Ignacio Peña
- Departamento de Ciencia y Tecnología de Materiales y Fluidos, Instituto de Ciencia de Materiales de Aragón (ICMA), CSIC-Universidad de Zaragoza, C./María de Luna 3, Zaragoza 50018, Spain.
| | - Carlos Sánchez-Somolinos
- Departamento de Física de la Materia Condensada, Instituto de Ciencia de Materiales de Aragón (ICMA), CSIC-Universidad de Zaragoza, C./Pedro Cerbuna 12, Zaragoza 50009, Spain.
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Pathak B, Basu S. Modulation of Buckling Dynamics in Nanoparticle Laden Droplets Using External Heating. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:2591-2600. [PMID: 26938984 DOI: 10.1021/acs.langmuir.6b00544] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Dynamics of contact free (levitated) drying of nanofluid droplets is ubiquitous in many application domains ranging from spray drying to pharmaceutics. Controlling the final morphology (macro to micro scales) of the dried out sample poses some serious challenges. Evaporation of solvent and agglomeration of particles leads to porous shell formation in acoustically levitated nanosilica droplets. The capillary pressure due to evaporation across the menisci at the nanoscale pores causes buckling of the shell which leads to ring and bowl shaped final structures. Acoustics plays a crucial role in flattening of droplets which is a prerequisite for initiation of buckling in the shell. Introduction of mixed nanocolloids (sodium dodecyl sulfate + nanosilica) reduces evaporation rate, disrupts formation of porous shell, and enhances mechanical strength of the shell, all of which restricts the process of buckling. Although buckling is completely arrested in such surfactant added droplets, controlled external heating using laser enhances evaporation through the pores in the shell due to thermally induced structural changes and rearrangement of SDS aggregates which reinitializes buckling in such droplets. Furthermore, inclusion of anilinium hydrochloride into the nanoparticle laden droplets produces ions which adsorb and modify the morphology of sodium dodecyl sulfate crystals and reinitializes buckling in the shell (irrespective of external heating conditions). The kinetics of buckling is determined by the combined effect of morphology of the colloidal particles, particle/aggregate diffusion rate within the droplet, and the rate of evaporation of water. The buckling dynamics leads to cavity formation which grows subsequently to yield final structures with drastically different morphological features. The cavity growth is controlled by evaporation through the nanoscale pores and exhibits a universal trend irrespective of heating rate and nanoparticle type.
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Affiliation(s)
- Binita Pathak
- Department of Mechanical Engineering, Indian Institute of Science Bangalore , Bangalore, Karnataka - 560012, India
| | - Saptarshi Basu
- Department of Mechanical Engineering, Indian Institute of Science Bangalore , Bangalore, Karnataka - 560012, India
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