资源描述：
《Piezotronics and piezo-phototronics压电电子学与压电电子学》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、REVIEWSPiezotronicsandpiezo-phototronicsforadaptiveelectronicsandoptoelectronicsWenzhuoWu1,2andZhongLinWang1,3Low-dimensionalpiezoelectricsemiconductornanomaterials,suchasZnOandGaN,havesuperiormechanicalpropertiesandcanbeintegratedintoflexibledevicesthatcanbesubjectedtol
2、argestrain.Moreimportantly,thecouplingbetweenpiezoelectricpolarizationandsemiconductorproperties(forexample,electronictransportandphotoexcitation)inthesematerialsgivesrisetounprecedenteddevicecharacteristics.Thishasincreasedresearchinterestintheemergingfieldsofpiezotroni
3、csandpiezo-phototronics,whichoffernewmeansofmanipulatingcharge-carriertransport,generation,recombinationorseparationinthecontrolledoperationofflexibledevicesthroughtheapplicationofexternalmechanicalstimuli.Wereviewtherecentprogressinadvancingourfundamentalunderstandingan
4、dinrealizingpracticalapplicationsofpiezotronicsandpiezo-phototronics,andprovideanin-depthdiscussionoffutureresearchdirections.Theseamlessandadaptiveinteractionsbetweenfunc‑thintransitionmetaldichalcogenides(TMDCs)),tionaldevicesandtheirenvironment(forexample,becausetheir
5、low‑dimensionalgeometriesandsuperiorthehumanbody)arecrucialforadvancingemergingmechanicalpropertiesfacilitatetheirintegrationintotechnologies,suchaswearableelectronics,robotics,theflexibledevicesthatcanpotentiallysustainlargestrain.InternetofThings,biomedicalengineeringa
6、ndhuman–Forexample,ZnOnanowirescantolerate5–7%strainmachineinterfacing1,2.Althoughmechanicalsignalsarewithoutplasticdeformation14,15,andmonolayerMoS2inherentintheseapplications,electricalmanipulationcansustain11%in‑planestrain16.Moreimportantly,ofchargecarriersistheimpor
7、tantphysicalprocessinthelongoverlookedcouplingbetweenpiezoelectricstate‑of‑the‑artsemiconductortechnology3,4andinpolarizationandsemiconductorpropertiesintheseemergingnanodevices5–11.Therefore,mechanicalstim‑materialsgivesrisetobothnovelfundamentalpheno‑ulineedtobeconvert
8、edtoelectricalsignalstobesensedmenaandunprecedenteddeviceapplications,which1SchoolofMaterialsSciencebya
