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1.Listsomeproductsclaimtobe“nano-product”andgiveyouropinionsaboutwhethertheyarereal“nano”ornot.Answer:Inmydailylife,mymobilephonemaybecomehotwhenplayinggamesorhavingbatterycharging,soIboughtaheatsinkmadeofnano-material(graphene).Ithinkifthematerialisreallymadeofgraphene,itisareal“nano-product”becauseNano-materials,referstothesizeofitsstructuralunitsbetween1nmto100nmrange.2.Whatdoyouexpecttobenefitfrom“nano-technology”Answer:Iwanttousethe“nano-technology”tomakemehaveanundyinglife.Whensomeorgansinmybodybecomeweaker,Imayusethe“nano-technology”tochangethemandmakemehaveasoundbodyandlivelong.3.Whyinterfacesareimportant?Answer:Thepropertiesofcandeterminedthefunctionandtheextrinsicpropertiesofamaterials.Wecanchangethematerials’functionbychangethepropertiesoftheinterfaces.Themoleculebetweentheinnerandtheinterfaceareunderdifferentforce,whichcausetheinterfacemoleculehavespecialpropertiesthanthesidemolecule.4.Whichisbetterinself-assembly:noncovalentorcovalentbonding?Answer:Ithinkthenoncovalentbondingisbetter,becausethenoncovalenteffectismorereversible,thatcanmakethemoleculecombinedontheirown,andgetalowerenergy,theyaremorestable,besidestheycanalsohaveself-healing.Butwhenusingcovalentbonding,oncehavingrandomerror,itismoredifficulttorepairandveryhardtogetthelowestenergy.5.WhatistheadvantagesofSAMSovertheothermolecularassemblysystems,suchasLBfilmsandliquidcrystals?Answer:SAMScanusetoimprovethematerial’ssurfacefunctionsuchasapplyingtoreducefriction,anti-wearandsoon.SAMShastheadvantagesofhighorderandorientation,highdensity,lowstructurefaultandstability.SAMScanadapttoavarietyofsurfacesandalsocanchangethetypeofchaintoachievedifferentkindsofeffect.6.Imagewhatyoucoulddowithchemicalpatterns?Answer:Itisusedfortheimmobilizationofenzyme,andtheenzymemoleculeismodifiedonthecarrier.Thesurfacemodificationofmedicalmaterials,suchastheuseofheparintoimprovetheirbiocompatibilityinvivo7.Whataretheuniquepropertiesofcarbonnanotubes?Answer:Carbonnanotubesaregenerallyregardedasthesinglehardestmaterialsknowntoman.Asinglewallednanotubeisabletowithstandapressurethatamountsto24GPaNanotubesarealsoknowntohavekineticpropertiesthatmakethemgetnestedwitheachother.Thereisanoutstandingtelescopingpropertythattheytendtodisplaywithtimeandthisusuallyinvolvesslidingoftheinnercorenanotube.Thisslidingoccurswithverylittleornofrictionatallandusuallyleadstorotationalbearing.Thenanotubestructureusuallyhasaneffectontheelectricalpropertiesofgrapheneowingtoitselectronicstructurethatisquiteunique.Somesuperconductivitypropertieshavealsobeenregisteredwithsomeofthesenanotubesandalthoughthereareseveralotherexperimentsthatdisagreewiththisassertion,thesereportscontinuetocreateastiramongexperts.Thethermalpropertiesofcarbonnanotubesarequiteuniquetoobecausethesenanotubesaremostlyexpectedtohavegoodconduction.Ballisticconductionisactuallyapropertythatisshownbythenanotubesastheygoabouttheirthermalconduction.Anothervitalissueinthepropertiesofthesenanotubesistheissueoftoxicity.Whendealingwithnanotechnology,manyexpertshaveraisedseveralquestionsaboutthetoxicityofthenanotubes.Thisstudyandresearchisstillinitsearlystagesandthereisquitealotcriticismstillgoingon.Itisexpectedthatovertheyearstheresultswillhelptogiveexpertsalittlemoreunderstandingofhowthesenanotubesdealwiththequestionoftoxicity.8.WhyresearchersrediscoveredGraphenewasgivenNoblePrize?Answer:It’saworthyNobel,forthesimplereasonthatgraphenemaybeoneofthemostpromisingandversatilematerialseverdiscovered.Itcouldholdthekeytoeverythingfromsuper-smallcomputerstohigh-capacitybatteries.Grapheneisstrongerandstifferthandiamond,yetcanbestretchedbyaquarterofitslength,likerubber.Itssurfaceareaisthelargestknownforitsweight.Theenergyapplicationsofgraphenearealsoextraordinarilyrich.Companiescurrentlyusingcarbonnanotubestocreatewearableelectronicsarebeginningtoswitchtographene,whichisthinnerandpotentiallylessexpensivetoproduce.Muchoftheemergingresearchisdevotedtodevisingmorewaystoproducegraphenequickly,cheaplyandinhighquantities.Besides,thegraphenealsohaveotheradvantages.9.Intheabovementionedmethodsforsynthesizingnanopaticles,whichonedoyouprefer?Why?Answer:Comparedtochemicalmethods,Iprefertousephysicalmethodsbecausetheuseofphysicalmethodscanreducetheoccurrenceofchemicalreactions,thatwillreducepollution,inaddition,thephysicalmethodismoresimplethanchemicalmethods,andeasytocontrol.10.Trydrawanenergybanddiagramofametalandan-typesemiconductor,inwhichillustrate“Valenceband”,”Conductionband”,“Bandgap”and“Fermilevel”Answer:11.TrydrawaenergydiagramofthedyesensitizedTIO2SolarCellAnswer:12.Whenexcitedbylights,whatwouldhappentothetwonanoparticlesAandB?Answer:A:Theelectronsontheshellvalencebandareexcitedtotheconductionbandandthentransferredtotheconductionbandofthecore,thecavityoftheshellistransferredtothenuclearvalenceband.B:ThepriceoftheelectronicexcitationtotheconductionbandonShell1,leavingsomeholesinthepriceabove.13.Whatistheadvantagesofcontrolleddrugdeliverysystemscomparedwithconventionalmethods?Answer:1.Prolongtheefficacytime,reducethefrequencyofadministration