There existsagreatinterestinzincoxide(ZnO)materials
because oftheirusefulnessinawiderangeofhightechnology
applications, lowcost,resourceavailability,non-toxicityandvery
high thermal/chemicalstability [1]. TheconcernsinZnOarefed
by itsprospectsinflatpaneldisplays,solarcellsandcommercial
significance inotherdifferentoptoelectronicdevices [2–6]
through itsdirectband-gapwidthbeingequalto3.37eVandits
large excitonbindingenergyof60meV