Ito film, ito powder used in manufacturing same ito film, manufacturing method of ito powder, and manufacturing method of ito film

Abstract

An ITO film having a band gap in a range of 4.0 eV to 4.5 eV.

1 . (canceled) 
     
     
         2 . An ITO powder used in manufacture of an ITO film having: a band gap in a range of 4.0 eV to 4.5 eV; and an L*a*b* color tone in which L* is from 99.5 to 99.7, a* is from −0.35 to −0.17, and b* is from −0.24 to −0.06, the ITO powder comprising a perse color tone L*a*b* in which L* is 30 or less, a* is less than 0, and b* is less than 0. 
     
     
         3 - 12 . (canceled) 
     
     
         13 . The ITO powder according to  claim 2 , wherein a BET specific surface area of the ITO powder is 20 to 100 m 2 /g. 
     
     
         14 . The ITO powder according to  claim 2 , wherein a crystal particle size of the ITO powder determined by X-ray diffraction (XRD) is 5 to 30 nm.