Advanced Materials Interfaces Scrivener Publishing 100 Cummings Center, Suite 541J Beverly, MA 01915-6106 Advanced Materials Series The Advanced Materials Series provides recent advancements of the fascinating field of advanced materials science and technology, particularly in the area of structure, synthesis and processing, characterization, advanced-state properties, and applications. The volumes will cover theoretical and experimental approaches of molecular device materials, biomimetic materials, h ybrid-type composite materials, functionalized polymers, supramolecular systems, information- and energy-transfer materials, biobased and biodegradable or environmental friendly materials. Each volume will be devoted to one broad subject and the multidisciplinary aspects will be drawn out in full. Series Editor: Dr. Ashutosh Tiwari Biosensors and Bioelectronics Centre Linköping University SE-581 83 Linköping Sweden E-mail: [email protected] Managing Editors: Sachin Mishra and Sophie Thompson Publishers at Scrivener Martin Scrivener ([email protected]) Phillip Carmical ([email protected]) Advanced Materials Interfaces Edited by Ashutosh Tiwari, Hirak K. Patra and Xuemei Wang Copyright © 2016 by Scrivener Publishing LLC. All rights reserved. Co-published by John Wiley & Sons, Inc. Hoboken, New Jersey, and Scrivener Publishing LLC, Salem, Massachusetts. Published simultaneously in Canada. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning, or otherw ise, except as permit- ted under Section 107 or 108 of the 1976 United States Copyright Act, without either the prior writ- ten permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, Inc., 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 750-4470, or on the web at www.copyright.com. Requests to the Publisher for permission should be addressed to the Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201) 748-6008, or online at http://www.wiley.com/go/permission. Limit of Liability/Disclaimer of Warranty: While the publisher and author have used their best efforts in preparing this book, they make no representations or warranties with respect to the accuracy or completeness of the contents of this book and specifically disclaim any implied warranties of merchant- ability or fitness for a particular purpose. No warranty may be created or extended by sales representa- tives or written sales materials. The advice and strategies contained herein may not be suitable for your situation. You should consult with a professional where appropriate. Neither the publisher nor author shall be liable for any loss of profit or any other commercial damages, including but not limited to spe- cial, incidental, consequential, or other damages. For general information on our other products and services or for technical support, please contact our Customer Care Department within the United States at (800) 762-2974, outside the United States at (317) 572-3993 or fax (317) 572-4002. Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic formats. For more information about Wiley products, visit our web site at www.wiley.com. For more information about Scrivener products please visit www.scrivenerpublishing.com. Cover design by Russell Richardson Library of Congr ess Cataloging-in-Publication Data: ISBN 978-1-119-24245-1 Printed in the United States of America 10 9 8 7 6 5 4 3 2 1 Contents Preface xiii Part 1 Interfaces Design, Fabrication, and Properties 1 Mixed Protein/Polymer Nanostructures at Interfaces 3 Aristeidis Papagiannopoulos and Stergios Pispas 1.1 Introduction 3 1.2 Neutral and Charged Macromolecules at Interfaces 4 1.3 Interfacial Experimental Methods 7 1.4 Interactions of Proteins with Polymer-Free Interfaces 9 1.5 Polymers and Proteins in Solution 11 1.6 Proteins at Polymer-Modified Interfaces 14 1.6.1 Steric Effects 15 1.6.2 P olyelectrolyte Multilayers: Electrostatic Nature of Interactions 21 1.6.3 Counterion Release: Charge Anisotropy 23 1.7 Protein-Loaded Interfaces with Potential for Applications 26 1.8 Conclusions 30 References 30 2 Exploitation of Self-Assembly Phenomena in Liquid-Crystalline Polymer Phases for Obtaining Multifunctional Materials 37 M. Giamberini and G. Malucelli 2.1 Introduction 37 2.2 Amphiphilic Self-Assembled LCPs 41 2.3 Self-Assembled LCPs Through External Stimuli 44 2.4 Supramolecular Self-Assembled LCPs 48 2.5 Self-Assembled LCPs Through Surface Effects 54 2.6 Conclusions and Perspectives 57 References 59 v vi Contents 3 Scanning Probe Microscopy of Functional Materials Surfaces and Interfaces 63 Pankaj Sharma and Jan Seidel 3.1 Introduction 64 3.2 Scanning Probe Microscopy Approach 65 3.2.1 Piezoresponse Force Microscopy 68 3.2.1.1 Advanced Modes of PFM 73 3.2.1.2 Enhancing Temporal Resolution 76 3.2.2 Conductive-Atomic Force Microscopy 79 3.2.3 Kelvin Probe Force Microscopy 81 3.3 Functional Material Surfaces and Interfaces 85 3.3.1 Ferroelectric Tunnel Junctions 86 3.3.2 Ferroic Domain Walls and Structural-Phase Boundaries 93 3.3.3 Complex-Oxide Thin Films and Heterostructures 95 3.3.4 Photovoltaics 104 3.4 Conclusion and Outlook 111 References 114 4 AFM Approaches to the Study of PDMS-Au and Carbon-Based Surfaces and Interfaces 127 Giorgio Saverio Senesi, Alessandro Massaro, Angelo Galiano and Leonardo Pellicani 4.1 Introduction 127 4.2 AFM Characterization of Micro–Nano Surfaces and Interfaces of Carbon-Based Materials and PDMS-Au Nanocomposites 130 4.3 3D Image Processing: ImageJ Tools 136 4.4 Scanning Capacitance Microscopy, Kelvin Probe Microscopy, and Electromagnetic Characterization 138 4.5 AFM Artifacts 141 4.6 Conclusions (General Guidelines for Material Characterization by AFM) 143 Acknowledgments 146 References 146 Contents vii 5 One-Dimensional Silica Nanostructures and Metal–Silica Nanocomposites: Fabrication, Characterization, and Applications 149 Francesco Ruffino 5.1 Introduction: The Weird World of Silica Nanowires and Metal–Silica Composite Nanowires 150 5.2 Silica Nanowires: Fabrication Methodologies, Properties, and Applications 155 5.2.1 Metal-Catalyzed Growth 158 5.2.2 Oxide-Assisted Growth 174 5.3 Metal NPs-Decorated Silica Nanowires: Fabrication Methodologies, Properties, and Applications 177 5.4 Metal NPs Embedded in Silica Nanowires: Fabrication Methodologies, Properties, and Applications 188 5.5 Conclusions: Open Points and Perspectives 197 References 197 6 Understanding the Basic Mechanisms Acting on Interfaces: Concrete Elements, Materials and Techniques 205 Dimitra V. Achilllopoulou 6.1 Summary 205 6.2 Introduction 207 6.3 Existing Knowledge on Force Transfer Mechanisms on Reinforced Concrete Interfaces 212 6.3.1 Concrete Interfaces 212 6.3.2 Reinforcement Effect on Concrete Interfaces 217 6.3.3 Interfaces of Strengthened RC Structural Elements 224 6.4 International Standards 236 6.4.1 Fib Bulletin 2010 237 6.4.2 ACI 318-08 238 6.4.3 Greek Retrofit Code (Gre. Co.) Attuned to EN-1998/part 3 238 6.5 Conclusions 241 References 242 7 Pressure-Sensitive Adhesives (PSA) Based on Silicone 249 Adrian Krzysztof Antosik and Zbigniew Czech 7.1 Introduction 249 7.2 Pressure-Sensitive Adhesives 250 7.2.1 Goal of Cross-Linking 251 viii Contents 7.3 Significant Properties of Pressure-Sensitive Adhesives 253 7.3.1 Tack (Initial Adhesion) 253 7.3.2 Peel Adhesion (Adhesion) 254 7.3.3 Shear Strength (Cohesion) 255 7.3.4 Shrinkage 255 7.4 Silicone PSAs 256 7.4.1 Properties 256 7.4.2 E ffect of Cross-LinkingAgent to the Basic Properties Si–PSA 260 7.4.3 Application 267 7.5 Conclusion 272 References 273 Part 2 Functional Interfaces: Fundamentals and Frontiers 8 Interfacing Gelatin with (Hydr)oxides and Metal Nanoparticles: Design of Advanced Hybrid Materials for Biomedical Engineering Applications 277 Nathalie Steunou 8.1 Introduction 278 8.2 Physical Gelation of Gelatin 279 8.3 Synthesis of Gelatin-Based Hybrid Nanoparticles and Nanocomposites 282 8.3.1 Preparation of Hybrid Composites by Gelification and Complex Coacervation 282 8.3.2 Processing of Gelatin-Based Hybrid Materials into Monoliths, Films, Foams and Nanofibers 288 8.3.3 Synthesis of Hybrid and Core–Shell Nanoparticles and Nano-Objects 290 8.4 C haracterization of Gelatin-Based Hybrid Nanoparticles and Nanocomposites 294 8.5 Mechanical Properties of Gelatin-Based Hybrid Nanoparticles and Nanocomposites 296 8.6 Design of Gelatin-Based Hybrid Nanoparticles for Drug Delivery 302 8.7 Design of Nanostructured Gelatin-Based Hybrid Scaffolds for Tissue Engineering and Regeneration Applications 310 8.8 Conclusions and Outlook 316 References 318