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Thread: Increase Ce3+ in cerium oxide solution

  1. #1 Increase Ce3+ in cerium oxide solution 
    New Member
    Join Date
    Jul 2018
    Dear all,

    I'm finding method to increase Ce3+ in cerium oxide solution
    One of the option is use UV light to create free electron to reduce Ce4+ to Ce3+
    However, it's hard to active electron in valance band of Cerium because the penetration depth of UV is short
    Thus, I'm considering to add another photocatalyst into cerium oxide solution. By that action, the electron in valance band of that photocatalyst becomes free under UV energy and that electron will reduce Ce4+ to Ce3+.

    Does anyone has experience about this? or other method to increase Ce3+, please help.

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  3. #2  
    Bullshit Intolerant PhDemon's Avatar
    Join Date
    Feb 2013
    Newcastle-upon-Tyne, UK
    Have you thought about a chemical method? You could use a mild reducing agent like Fe 2+. Look up the redox potentials to see which reducing agents are feasible.

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  4. #3  
    New Member
    Join Date
    Jul 2018
    Thanks, I tried but it didn't work
    Does anyone has experience in using another photocatalyst to increase Ce3+ or increase Ce3+ by UV light
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