Adsorption of the diazo dye Direct Red 23 onto a zinc oxide surface: A spectroscopic study

被引：37

作者：

Lucilha, Adriana Campano ^{[1
]}

Bonancea, Carlos Eduardo ^{[2
]}

Barreto, Wagner Jose ^{[3
]}

Takashima, Keiko ^{[1
]}

机构：

[1] Univ Estadual Londrina, CCE, Dept Chem, Lab Adv Oxidat Proc, BR-86051990 Londrina, PR, Brazil

[2] Univ Sao Paulo, Inst Chem, Sao Paulo, Brazil

[3] Univ Estadual Londrina, CCE, Dept Chem, Lab Environm Phys Chem, BR-86051990 Londrina, PR, Brazil

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2010年 / 75卷 / 01期

关键词：

Direct Red 23; Zinc oxide; Adsorption; Spectroscopy; PHOTOCATALYTIC DEGRADATION; OPERATIONAL PARAMETERS; AZO DYES; WATER; ZNO;

D O I：

10.1016/j.saa.2009.10.046

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The adsorption of the diazo dye Direct Red 23 onto a zinc oxide surface at 30 degrees C in the dark was investigated. The color reduction was monitored by spectrophotometry at 503 run. The FTIR and Raman spectra of the Direct Red 23 adsorption as a function of ZnO concentration were registered. From the PM3 semi-empirical calculations of the atomic charge density and dipole moment of the Direct Red 23 molecule, it was demonstrated that the azo, dye molecule may be adsorbed onto the ZnO Surface through molecule geometry modifications, enhancing the interfacial area causing a variation in the bonding frequencies. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：389 / 393

页数：5

共 17 条

[1] Photocatalytic degradation of Remazol Red F3B using ZnO catalyst [J].

Akyol, A ;

Bayramoglu, M .

JOURNAL OF HAZARDOUS MATERIALS, 2005, 124 (1-3) :241-246

[2]

[Anonymous], 2018, Physical Chemistry

[3]

[Anonymous], SPART

[4] Advanced chemical oxidation of reactive dyes in simulated dyehouse effluents by ferrioxalate-Fenton/UV-A and TiO2/UV-A processes [J].

Arslan, I ;

Balcioglu, IA ;

Bahnemann, DW .

DYES AND PIGMENTS, 2000, 47 (03) :207-218

[5] INFRARED-SPECTRUM OF MICROCRYSTALLINE ZINC-OXIDE - ELECTRONIC AND VIBRATIONAL CONTRIBUTIONS UNDER DIFFERENT TEMPERATURE AND ENVIRONMENTAL-CONDITIONS [J].

BOCCUZZI, F ;

MORTERRA, C ;

SCALA, R ;

ZECCHINA, A .

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS II, 1981, 77 :2059-2066

[6] Solubilities of zinc oxide and cadmium oxide in KCl-LiCl eutectic melts [J].

Cherginets, V. L. ;

Rebrova, T. P. .

RUSSIAN JOURNAL OF INORGANIC CHEMISTRY, 2006, 51 (03) :484-487

[7] Effects of operational parameters on the photodegradation of direct red 23 azo dye at the titanium dioxide/water interface [J].

Clausen, Debora Nobile ;

Takashima, Keiko .

QUIMICA NOVA, 2007, 30 (08) :1896-1899

[8] Photocatalytic degradation of imazaquin in an aqueous suspension of titanium dioxide [J].

Garcia, JC ;

Takashima, K .

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 2003, 155 (1-3) :215-222

[9] Textile dyes. [J].

Guaratini, CCI ;

Zanoni, MVB .

QUIMICA NOVA, 2000, 23 (01) :71-78

[10] The effect of operational parameters on the photocatalytic degradation of three textile azo dyes in aqueous TiO2 suspensions [J].

Habibi, MH ;

Hassanzadeh, A ;

Mahdavi, S .

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 2005, 172 (01) :89-96

← 1 2 →