Why doesn't Si + Wo3 ignite?

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edig789
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Why doesn't Si + Wo3 ignite?

Post by edig789 »

Why doesn't Si + Wo3 ignite?

What can I do to find out why it doesn't ignite?
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ChenBeier
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Re: Why doesn't Si + Wo3 ignite?

Post by ChenBeier »

Why it should be. Acivation energy level is very high. But I think if you heat the mixture to some hundreds degree a reaction can take place. If silicon as a reducer is strong enough I dont know. Better use aluminium instead.
edig789
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Re: Why doesn't Si + Wo3 ignite?

Post by edig789 »

oh i see, Maybe it’s because of the activation energy.
and I raised it to about 800 degrees, but there is no ignition. :D
Thanks!
ameena45544
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Re: Why doesn't Si + Wo3 ignite?

Post by ameena45544 »

The energy level is very high so use aluminum. It's my favourite subject but unfortunately, I can't continue my educations because I am very poor so I did not pay mepco bill. Now I am thinking about education that I have to go to uni.
Warner Mortensen
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Re: Why doesn't Si + Wo3 ignite?

Post by Warner Mortensen »

I read in a paper that Si-doping increases and stabilizes the acetone-selective ε-WO3 phase while increasing its thermal stability and, thus, results in superior sensing performance with an optimum at about 10 mol % Si content.
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