(cid:2) ESSENTIALS IN NANOSCIENCE AND NANOTECHNOLOGY (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) (cid:2) ESSENTIALS IN NANOSCIENCE AND NANOTECHNOLOGY NARENDRAKUMAR SUNITAKUMBHAT (cid:2) (cid:2) (cid:2) (cid:2) Copyright©2016byJohnWiley&Sons,Inc.Allrightsreserved PublishedbyJohnWiley&Sons,Inc.,Hoboken,NewJersey PublishedsimultaneouslyinCanada Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformor byanymeans,electronic,mechanical,photocopying,recording,scanning,orotherwise,exceptas permittedunderSection107or108ofthe1976UnitedStatesCopyrightAct,withouteithertheprior writtenpermissionofthePublisher,orauthorizationthroughpaymentoftheappropriateper-copyfeeto theCopyrightClearanceCenter,Inc.,222RosewoodDrive,Danvers,MA01923,(978)750-8400,fax (978)750-4470,oronthewebatwww.copyright.com.RequeststothePublisherforpermissionshould beaddressedtothePermissionsDepartment,JohnWiley&Sons,Inc.,111RiverStreet,Hoboken,NJ 07030,(201)748-6011,fax(201)748-6008,oronlineathttp://www.wiley.com/go/permissions. 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Wileyalsopublishesitsbooksinavarietyofelectronicformats.Somecontentthatappearsinprintmay notbeavailableinelectronicformats.FormoreinformationaboutWileyproducts,visitourwebsiteat www.wiley.com. LibraryofCongressCataloging-in-PublicationData: Names:Kumar,Narendra(Materialsscientist),author.|Kumbhat,Sunita, author. Title:Essentialsinnanoscienceandnanotechnology/NarendraKumar,Sunita Kumbhat. Description:Hoboken,NewJersey:JohnWiley&Sons,Inc.2016.|Includes bibliographicalreferencesandindex. Identifiers LCCN2015040306|ISBN9781119096115(cloth) Subjects:LCSH:Nanotechnology.|Nanoscience. Classification LCCT174.7.K782016|DDC500–dc23LCrecordavailableat http://lccn.loc.gov/2015040306 Typesetin10/12ptTimesLTStdbySPiGlobal,Chennai,India 10987654321 (cid:2) (cid:2) CONTENTS Preface xiii (cid:2) (cid:2) Acknowledgments xv AbouttheAuthors xvii 1 Introduction 1 1.1 Definition ofNanoscienceandNanotechnologies, 1 1.2 UniquenessoftheNanoscale, 3 1.3 NanoscienceinNature, 4 1.3.1 NaturallyOccurringNanomaterials, 7 1.3.2 NanoscienceinActioninBiologicalWorld, 8 1.4 HistoricalPerspective, 10 1.5 Nanomaterials, 13 1.5.1 Nanoparticles, 16 1.5.2 NanowiresandNanotubes, 17 1.5.3 Nanolayers/Nanocoatings, 17 1.5.4 NanoporousMaterials, 17 1.6 StrategiesforSynthesisofNanomaterials, 18 1.7 PropertiesofNanomaterials, 18 1.8 Significanc ofNanoscience, 19 1.9 CommercialApplications, 20 1.9.1 FoodIndustry, 22 1.9.2 Cosmetics, 22 1.9.3 Textile, 22 (cid:2) (cid:2) vi CONTENTS 1.9.4 Medicine, 22 1.9.5 ElectricalandElectronicGoods, 23 1.10 PotentialHealthHazardsandEnvironmentalRisks, 24 1.11 FuturisticOutlook, 25 ReviewQuestions, 26 References, 27 2 Nanomaterials:GeneralSyntheticApproaches 29 2.1 Introduction, 29 2.2 Top-DownApproach, 30 2.2.1 MechanicalMilling, 31 2.2.2 MechanochemicalProcessing(MCP), 32 2.2.3 Electro-Explosion, 33 2.2.4 Sputtering, 34 2.2.5 Etching, 34 2.2.6 LaserAblation, 36 2.2.7 Lithography, 37 2.2.8 Aerosol-BasedTechniques, 43 2.2.9 Electrospinning, 47 2.3 Bottom-UpApproaches, 49 2.3.1 ChemicalVaporDeposition, 49 (cid:2) 2.3.2 ChemicalVaporCondensation(CVC), 54 (cid:2) 2.3.3 PlasmaArcing, 55 2.3.4 WetChemicalMethods, 55 2.3.5 Hydrothermal/Solvothermal, 60 2.3.6 ReverseMicelleMethod, 60 2.3.7 Sol–GelMethod, 61 2.3.8 SonochemicalMethod, 64 2.3.9 BiomimeticApproaches, 66 2.3.10 MolecularSelf-Assembly, 70 2.3.11 Langmuir–Blodgett(LB)FilmFormation, 71 2.3.12 StabilizationandFunctionalizationofNanoparticles, 72 ReviewQuestions, 73 References, 74 3 CharacterizationToolsforNanomaterials 77 3.1 Introduction, 77 3.2 ImagingThroughElectronMicroscopy, 79 3.2.1 ScanningElectronMicroscope(SEM), 85 3.2.2 TransmissionElectronMicroscope(TEM), 91 3.3 ScanningProbeMicroscopy(SPM), 97 3.3.1 ScanningTunnelingMicroscope(STM), 97 3.3.2 AtomicForceMicroscope(AFM), 102 (cid:2) (cid:2) CONTENTS vii 3.4 CharacterizationThroughSpectroscopy, 107 3.4.1 UV–VisiblePlasmonAbsorptionandEmission, 108 3.4.2 VibrationalSpectroscopies:FTIRandRaman Spectroscopy, 109 3.4.3 RamanSpectroscopyBasedImaging, 116 3.4.4 X-RayPhotoelectronSpectroscopy(XPS), 119 3.4.5 AugerElectronSpectroscopy, 126 3.4.6 SecondaryIonMassSpectrometry(SIMS), 130 3.5 ScatteringTechniques, 133 3.5.1 X-RayDiffractionMethods, 134 3.5.2 DynamicLightScattering(DLS), 140 3.5.3 ZetaPotentialAnalysis, 142 ReviewQuestions, 145 References, 146 4 Nanomaterials 149 4.1 Introduction, 149 4.2 InorganicNanomaterials, 150 4.2.1 MetalsandAlloys, 150 4.2.2 MetalOxidesofTransitionandNon-transitionElements, 156 4.2.3 Non-oxideInorganicNanomaterials, 161 (cid:2) 4.3 OrganicNanomaterials, 161 (cid:2) 4.3.1 PolymericNanoparticles, 161 4.3.2 PolymericNanofilms 162 4.3.3 Nanocellulose, 162 4.3.4 BiodegradablePolymerNanoparticles, 165 4.3.5 Dendrimers, 165 4.4 BiologicalNanomaterials, 166 4.4.1 Categories, 167 4.4.2 PotentialApplications, 169 4.5 NanoporousMaterials, 170 4.6 QuantumDots, 173 4.7 Nanoclusters, 175 4.8 NanomaterialsinDifferentConfigurations 178 4.8.1 Nanofibers 179 4.8.2 Nanowires, 179 4.8.3 Nanotubes, 180 4.8.4 Nanobelts, 183 4.8.5 Nanorods, 184 ReviewQuestions, 185 References, 186 (cid:2) (cid:2) viii CONTENTS 5 Carbon-BasedNanomaterials 189 5.1 GeneralIntroduction, 189 5.1.1 CarbonNanomaterials:SyntheticCarbonAllotropes (SCAs), 190 5.2 Fullerene, 192 5.2.1 PropertiesofFullerene, 193 5.2.2 ApplicationPotentialsofFullerene, 195 5.3 CarbonNanotubes(CNTs), 196 5.3.1 Classificatio ofCNTs, 196 5.3.2 SynthesisofCNTs, 198 5.3.3 FunctionalizationofCNTs, 203 5.3.4 Purificatio ofCNTs, 205 5.3.5 SpecialPropertiesofCarbonNanotubes, 207 5.3.6 Applications, 208 5.4 Graphene, 208 5.4.1 ElectronicStructureofGraphene, 210 5.4.2 UniquePropertiesofGraphene, 211 5.4.3 Synthesis, 212 5.4.4 CharacterizationofGraphene, 219 5.4.5 Applications, 221 5.5 CarbonNano-Onions, 222 (cid:2) 5.6 CarbonNanofibers 224 (cid:2) 5.7 CarbonBlack, 225 5.7.1 Crystallinity, 227 5.7.2 HomogeneityandUniformity, 227 5.8 Nanodiamond, 227 5.8.1 SynthesisofNanodiamond, 228 5.8.2 Properties, 230 5.8.3 Applications, 232 ReviewQuestions, 233 References, 234 6 Self-AssembledandSupramolecularNanomaterials 237 6.1 Introduction:Self-Assembly, 237 6.1.1 SupramolecularChemistry, 238 6.2 HistoricalPerspectiveofSupramolecularandSelf-Assembled Structures, 239 6.3 FundamentalAspectsofSupramolecularChemistry, 240 6.3.1 MolecularSelf-Assembly, 241 6.3.2 MolecularRecognitionandComplexation, 242 6.3.3 MechanicallyInterlockedMolecularArchitectures, 242 6.3.4 SupramolecularOrganicFrameworks(SOFs), 242 6.3.5 Biomimetic, 243 (cid:2)