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SupplementaryInformationArtificialleafforswitchabledropletmanipulationXiaojingLiangac,DekeLid,ShanPengLie,ChenggongXuac,ZhiguangGuo*abaStateKeyLaboratoryofSolidLubrication,LanzhouInstituteofChemicalPhysics,ChineseAcademyofSciences,Lanzhou730000,People’sRepublicofChina.E-mail:zguo@licp.cas.cn;Fax:+86-931-8277088;Tel:+86-931-4968105bMinistryofEducationKeyLaboratoryfortheGreenPreparationandApplicationofFunctionalMaterials,HubeiUniversity,Wuhan430062,People’sRepublicofChinacUniversityofChineseAcademyofSciences,Beijing100049,People’sRepublicofChinadSchoolofmaterialsengineering,LanzhouInstituteofTechnology,Lanzhou730050,People’sRepublicofChina.eCollegeofEngineering,LishuiUniversity,Lishui323000,People’sRepublicofChinaATableofContentsXPSspectraoftheSHBsurface(Fig.S1),EDSspectraoftheartificialrubberleaf(Fig.S2),theartificialmagnolialeaf(Fig.S3)andtheartificialbodhileaf(Fig.S4),theDSC,TGandstretchcurveofthePCL(Fig.S5),thecontactangleandtherollingangleofthewaterdropletondifferentsurface(Fig.S6),directionaltransportationphenomenonoftheartificialleaves(Fig.S7),relevantparametersoftheartificialrubberleavesinthesimulationcalculation(Fig.S8),watercollectionprocessontheartificialrubberleaf(Fig.S9),waterdroppumpingphenomenonofartificialmagnolialeaves(Fig.S10)andartificialbodhileaves(Fig.S11),theshapeparametersofthemagnolia(Fig.S10)andbodhiveins(Fig.S10).S1
1Fig.S1XPSspectraoftheSHBsurface.Fig.S2SEMimageandelementdistributionmapsoftheartificialrubberleaf.S2
2Fig.S3SEMimageandelementdistributionmapsoftheartificialmagnolialeaf.Fig.S4SEMimageandelementdistributionmapsoftheartificialbodhileaf.S3
3Fig.S5(a)TheDSCcurveofthePCL(25℃-550℃).(b)ApartialenlargedviewofthePCLDSCcurvenearthemeltingpoint.(c)TheTGcurveofthePCL.(d)ThestretchcurveofthePCL.Fig.S6Thecontactangleofthewaterdroplet(10μL)onthepristine(a),SHL(b),SHB(c)PCLsurface.Therollingangleofthewaterdroplet(10μL)ontheSHB(d)PCLsurface.AftertheS4
4waterdropsonthesurfaceoftheSHL,thecontactanglewillgraduallybecome0°.Inthesimulationcalculation,thecontactangleofthenewlycontactedsurfaceisselected.Fig.S7Directionaltransportationphenomenonoftheartificialmagnolia(a),rubber(b),bodhi(c)leaves(titleangle=60°).S5
5Fig.S8Relevantparametersoftheartificialrubberleavesinthesimulationcalculation,includingthelengthandwidthofthemainveinandlateralvein,andthecontactangleofthethinvein.Fig.S9Formation,condensationandremovalofwaterdropletsduringwatercollectionontheartificialrubberleaf.S6
6Fig.S10Waterdroppumpingphenomenonofartificialmagnolialeaves(a-b).Theshapeofthemainandlateralveinsofmagnolia(c).Fig.S11Waterdroppumpingphenomenonofartificialbodhileaves(a-b).Theshapeofthemainandlateralveinsofbodhi(c).S7
