2(3), 9(10), 16(17), 23(24)-tetrakis[(3-mercapto)propoxy] phthalocyaninate zinc (II)/gold nanoparticle conjugates: Synthesis and photophysical properties

被引：4

作者：

Garcia Vior, Maria C. ^{[2
]}

Awruch, Josefina ^{[2
]}

Dicelio, Lelia E. ^{[1
]}

Diz, Virginia. E. ^{[1
]}

机构：

[1] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Quim Inorgan Anal & Quim Fis, Ciudad Univ,Pabellan 2,C1428EHA, Buenos Aires, DF, Argentina

[2] Univ Buenos Aires, Fac Farm & Bioquim, Dept Quim Organ, Junin 956,C1113AAD, Buenos Aires, DF, Argentina

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2019年 / 368卷

关键词：

Photodynamic therapy; Zinc(II) thiol-phthalocyanine; Gold nanoparticle; Spectroscopy; Oxygen quantum yield; GOLD NANOPARTICLES; SINGLET OXYGEN; COMPLEXES; CHEMISTRY; DELIVERY; CARRIER; SULFUR; SHAPE; SIZE;

D O I：

10.1016/j.jphotochem.2018.09.024

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Novel stable zinc (II) thiol-phthalocyaninate gold nanoparticle nanoconjugates (PcS-AuNP) with a reproducible and homogeneous distribution size of 16 +/- 4 nm were efficiently prepared by means of a ligand exchange reaction. The nanoconjugates were characterized by TEM, DLS, FT-IR and UV-vis. PcS-AuNP were a stable system at least for two months in darkness. Singlet molecular oxygen generation was observed when gold plasmon and phthalocyanine were independently excited at 510 nm and 610 nm, respectively. The PcS-AuNP system obtained is a photosensitive material in a wide range of the UV-vis spectrum (300-400 nm, 500-530 nm and 610-799 nm).

引用

页码：242 / 247

页数：6

共 17 条

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