Study of adsorption properties of functionalized nanodiamonds in aqueous solutions of metal salts using optical spectroscopy

被引：34

作者：

Dolenko, T. A. ^{[1
]}

Burikov, S. A. ^{[1
]}

Laptinskiy, K. A. ^{[1
]}

Laptinskaya, T. V. ^{[1
]}

Rosenholm, J. M. ^{[2
]}

Shiryaev, A. A. ^{[3
,4
]}

Sabirov, A. R. ^{[1
,5
]}

Vlasov, I. I. ^{[6
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Phys, Moscow, Russia

[2] Abo Akad Univ, Dept Nat Sci, Phys Chem Lab, Ctr Funct Mat, Turku, Finland

[3] RAS, AN Frumkin Inst Phys Chem & Electrochem, Moscow 117901, Russia

[4] RAS, Inst Geol Ore Deposits Petrog Mineral & Geochem, Moscow 117901, Russia

[5] RAS, AN Nesmeyanov Inst Organoelement Cpds, Moscow 117901, Russia

[6] RAS, Inst Gen Phys, Moscow 117901, Russia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2014年 / 586卷

基金：

芬兰科学院; 俄罗斯基础研究基金会;

关键词：

Surfaces and interfaces; Liquid-solid reactions; Optical spectroscopy; Time-resolved optical spectroscopies; Light absorption and reflection; DETONATION NANODIAMOND;

D O I：

10.1016/j.jallcom.2013.01.055

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：

This paper presents results of a study of adsorption properties of the original (I6) and carboxyl-modified (I6COOH) detonation nanodiamonds (DNDs) dispersed in aqueous solutions, with respect to dissolved ions: Cu2+, Pb2+, NO3-. Application of complementary spectroscopic methods allows comparative analysis of the adsorption activity of DNDs in aqueous solutions of metal salts. It was shown that both types of functionalized NDs readily adsorb nitrate ions and metal cations, and the adsorption efficiency of I6COOH is approx. three times higher than that of I6. Hypothetic mechanism of nitrate and copper ions adsorption on NDs surface is proposed. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：S436 / S439

页数：4

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