Surface modification of tin oxide nanowires through hydroxyl group anchoring

被引：0
|
作者：
Amorim, Cleber A. [1 ]
de Araujo, Estacio P. [2 ]
De Giovanni Rodrigues, Ariano [3 ]
Chiquito, Adenilson J. [3 ]
机构：
[1] Sao Paulo State Univ UNESP, Sch Agr, BR-18610034 Botucatu, SP, Brazil
[2] Brno Univ Technol, Cent European Inst Technol, Purkynova 123, Brno 61200, Czech Republic
[3] Univ Fed Sao Carlos, Dept Phys, Rodovia Washington Luiz,Km 235,Monjolinho, BR-13565905 Sao Carlos, SP, Brazil
来源：
MRS COMMUNICATIONS | 2024年 / 14卷 / 06期
基金：
巴西圣保罗研究基金会;
关键词：
Nanostructure; Sn; Oxide surface reaction; GAS SENSOR; SNO2; RAMAN; MODES; ZNO;
D O I：
10.1557/s43579-024-00642-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, the functionalization of SnO2 nanowires with grafted hydroxyl (OH) groups was introduced by changing the post-synthetic treatment and by growth in a vapor phase. Besides, the present paper describes two types of growth methods: (i) the vapor-solid one with post-synthesis treatment under NaOH solutions with different pH, and (ii) the direct growth using the vapor-liquid-solid one under water vapor. Structural characterizations demonstrated that OH groups were successfully anchored. Notably, band gap changes in the presence of OH groups are revealed. This kind of surface state engineering precisely opens new avenues of SnO2 nanowire applications in sensors and semiconductor uses.
引用
收藏
页码：1337 / 1344
页数：8
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