Chemistry on modified oxide and phosphate surfaces : fundamentals and applications / Robson Fernandes de Farias.

Format:

Book

Author/Creator:

Farias, Robson Fernandes de.

Series:

Interface science and technology ; v. 17.

Interface science and technology ; v. 17

Language:

English

Subjects (All):

Surfaces (Technology).

Surface chemistry.

Metallic oxides.

Physical Description:

x, 203 pages : illustrations ; 25 cm.

Edition:

First edition.

Place of Publication:

Amsterdam ; Boston ; London : Elsevier/Academic Press, 2009.

Contents:

1 Oxides and Phosphates 1

2 Surfaces and Modified Surfaces 3

3 Chemistry on Organofunctionalized Amorphous Oxides Surfaces 5

1 Introduction 5

2 Modified amorphous oxide surfaces as metal cation sequestrating agents 8

3 Organofunctionalized metal-modified surfaces for chromatographic applications 8

4 Modified amorphous oxides for luminescent devices 9

4.1 A 3-trimethoxypropylthioethylamine-modified surface 9

4.2 In situ synthesis of luminescent complexes on amorphous modified silica surfaces 12

5 Modified amorphous oxide surfaces as electrochemical sensors 20

5.1 Metal cation electrochemical sensors 20

5.2 Paracetamol sensors 20

5.3 Chemically modified oxide surfaces capable of molecular recognition 24

6 The influence of magnesium trisilicate and silicon dioxide on the thermal degradation of ascorbic acid 24

4 Chemistry on Organofunctionalized Nanostructured Oxides' Surfaces 33

1 Introduction 33

2 Inorganic-organic hybrids 34

3 Sol-gel lamellar silica 34

3.1 Eu(ii)-doped lamellar silica 35

4 Titania foam and thiol-functionalized nanoporous titania-silica 38

4.1 Thiol-functionalized nanoporous titania-silica 38

4.2 Titania foam 40

5 The effects of nanostructure on adsorption features: metal chemisorption on hexagonal templated zirconia obtained thorough sol-gel process 41

6 Surface modifications promoted by not bonded species 45

6.1 Effects of metal salts, DMF, and DMSO on the anatase-rutile transition in sol-gel-synthesized TiO2 45

7 Hexagonal mesoporous silica 48

5 Chemistry on Conducting Polymer-Modified Oxide Surfaces 51

1 Introduction 51

2 Synthetic approach 51

3 Effects of adsorbed conducting polymer on the oxide properties 52

4 Effects of the oxide on the adsorbed polymer properties 52

6 Chemistry on Modified Layered Oxides 57

1 Introduction 57

2 Titanates and niobates 57

3 Tungstates and molybdates 58

4 Molybdenum oxide as a molecular sieve 62

4.1 MoO3 intercalation compounds with nic and hmta 62

4.2 Adsorption of caffeine, dimethylglyoxime, and rodamin-B on lamellar molybdenum oxide 68

5 Sol-gel modified molybdenum oxide 72

6 Graphite oxide 77

7 Chemistry on Modified Phosphates 79

1 Introduction 79

2 Titanium and zirconium phosphates 79

3 Vanadyl phosphate 80

3.1 Synthesis and characterization of a VOPO4-NH3 hybrid 80

3.2 More vanadyl phosphate compounds 83

4 Barium and calcium phosphate 84

5 Adsorption of glycine on "animal" (bone) phosphate 84

5.1 Introduction 84

5.2 Experimental 84

5.3 Results and discussion 85

6 A final example 89

8 Chemistry on Modified Clay Surfaces 91

1 Introduction 91

2 Vermiculite surface modified with carnauba wax for oil cleaning 91

3 Water as a surface modifier: the hydrophobicity of vermiculite 95

4 The effect of surface chemical composition on the acide corrosion of pedra sabão (soapstone) 98

5 Thermal degradation of vegetable oils on clays (biodiesel production) 103

5.1 Introduction 103

6 Miscellaneous examples 106

9 Zeolites 109

1 Introduction 109

2 Some examples and applications 110.

Notes:

Includes bibliographical references (pages 113-197) and index.

ISBN:

9780123725547

0123725542

OCLC:

262892600