Neethi Thomas
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Absorption Coefficient

Started this discussion. Last reply by sandeep Feb 19. 2 Replies

To calculate optical band gap of TiO2 Thin film from transmission spectra for thati want to know formula for absorption coefficient. I got a formula like this absorption coefficient= 1/d*ln(1/T).The…Continue

 

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keerthika.s and Neethi Thomas are now friends
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sandeep replied to Neethi Thomas's discussion Absorption Coefficient
"As the number of layers increases, the Eg i.e., band gap decreases which results in the change in optical wavelength... "
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Neethi Thomas replied to Neethi Thomas's discussion Absorption Coefficient
"thank you for your reply and i have one doubt why optical band gap is decreasing with increase in no of layers of the thin film"
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Neethi Thomas posted a discussion

Absorption Coefficient

To calculate optical band gap of TiO2 Thin film from transmission spectra for thati want to know formula for absorption coefficient. I got a formula like this absorption coefficient= 1/d*ln(1/T).The problem is if i calculate ln(1/T) im getting value in negative whether its right or wrongSee More
Feb 1
Neethi Thomas updated their profile
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I am...
Student
My research field or area of interest innanotechnology
Carbon nanotube ,Sol gel
Interest in...
Solar Cells
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Bharathiar University
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http://www.b-u.ac.in
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