How much the band gap energy of Molybdenum trioxide is?

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V. Harish

Visit these pages, if you have access, you may find it useful.

http://www.springermaterials.com/docs/pdf/10681735_662.html

http://www.springermaterials.com/docs/navigation.do?m=n_136071_Non-Tetrahedrally+Bonded+Binary+Compounds+II

Nouman Rafiq

you must do IV measurement at different temperature. then u can easily find the bandgap

Mir Waqas Alam

Find the attached paper. and check last page for MoO3 bandgap

Yang Gan

But the sentence reads like "MoO3 layer is thermally evaporated therefore during evaporation MoO3 may contain some impurities like MoO or free Mo...". So any further studies on the effect of impurities on the bandgap?

Thaneti Ratnaji

when i do i get band gap value like 3.1eV

Amit Mishra

greater than 3 eV for alpha MoO3

Dhanavel Saminathan

i got 2.92 eV for alpha MoO3. It will differ for hexagonal MoO3.

Cyril Robinson Azariah John Chelliah

Go through the section 2.3.1 from this book

New and Future Developments in Catalysis: Chapter 2. Structural and ...

By Shenggang Li and, David A. Dixon

Here is the link: https://books.google.co.in/books?id=EtpzDAAAQBAJ&pg=PT18&lpg=PT18&dq=Bandgap+energy+of+MoO3+is+direct+or+indirect+band&source=bl&ots=VxL9GB_Plh&sig=ZlIgyoV8pl1VYlyJhwd0OmdYvpU&hl=en&sa=X&ved=0ahUKEwj0vrbvpanbAhUFQo8KHejADpkQ6AEIUDAE#v=onepage&q=Bandgap%20energy%20of%20MoO3%20is%20direct%20or%20indirect%20band&f=false

direct bandgap: 2.9eV, it will be lesser than 2.9eV for indirect band gap

variety of band gap reported for thin film MoO3: 2.8 to 3.4eV

O. de Melo

my result from UV-VIS transmittance spectra and suppossing an indirect band gap is 2.97 eV.