Patent ID: 8426623

Claim:
A surface-modified nanoparticle, comprising: a nanoparticle; and a phenol compound modifying the nanoparticle and having a chemical formula represented by formula (a)-(d), wherein n=1˜9; X is selected from the group consisting of NH 2 , OH, PH 4 , COOH and SH; each of R1 and R2 is selected from the group consisting of C1-C5 alkylene group and aryl group; and each carbon atom of the phenol group is independently substituted or non-substituted, and the substituent of the carbon atom of the phenol is selected from the group consisting of halogen, C1-C5 alkyl group, cyano (CN), triftuoromethyl (CF 3 ), alkylamino group, amino and alkoxy group.