Effect of vacuum on bandgap in copper complex

Home Forums Emphathogens Effect of vacuum on bandgap in copper complex

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  • #1655

    Benedict
    Participant

    Hi everyone,

    Is there any effect of the vacuum on the bandgap, for example between d-d orbitals ?

    I am asking this since I have a blue copper complex that I put in 140 degC under very high vacuum and I noticed that the color changes from blue-green-yellow-transparent. Which either means that the bandgap is getting closer and closer, or the the Cu2+ was partially reduced to Cu1+.

    Thanks and regards,

    #5654

    Aidan
    Participant

    More likely, you’re simply drying a moist or hydrated solid.  Does it seem likely to you that a macro effect, like vacuum, has an effect on quantum phenomena, such as d-d orbitals?

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