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Manganese doped upconversion luminescence nanoparticles

  • US 7,008,559 B2
  • Filed: 06/06/2002
  • Issued: 03/07/2006
  • Est. Priority Date: 06/06/2001
  • Status: Expired due to Fees
First Claim
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1. An upconversion luminescence nanoparticle material having the general formula (X):

  • (Mn, R), wherein(X) is a host having a size less than 100 nm and is represented by the formula (M1-zNz)1-xA1-rBr where M=Zn, Cd, Pb, Ca, Ba, Sr, and Mg;

    N=Zn, Cd, Pb, Ca, Ba, Sr, and Mg;

    A=S, Se, Te, and O;

    B=S, Se, Te, and O;

    wherein 0<

    x<

    1, 0<

    r≦

    1, 0<

    z≦

    1, and(R) is a rare earth ion.

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