Hydrothermal growth and characterization of shape-controlled NH4V3O8

被引：17

作者：

Vernardou, D. ^{[1
]}

Apostolopoulou, M. ^{[2
]}

Louloudakis, D. ^{[1
,3
]}

Katsarakis, N. ^{[1
,4
]}

Koudoumas, E. ^{[1
,5
]}

机构：

[1] Technol Educ Inst Crete, Sch Appl Technol, Ctr Mat Technol & Photon, Iraklion 71004, Crete, Greece

[2] Univ Crete, Dept Mat Sci & Technol, Iraklion 71003, Crete, Greece

[3] Univ Crete, Dept Phys, Iraklion 71003, Crete, Greece

[4] Fdn Res & Technol Hellas, Inst Elect Struct & Laser, Iraklion 71110, Crete, Greece

[5] Technol Educ Inst Crete, Sch Appl Technol, Dept Elect Engn, Iraklion 71004, Crete, Greece

来源：

NEW JOURNAL OF CHEMISTRY | 2014年 / 38卷 / 05期

关键词：

OXIDE THIN-FILMS; ELECTROCHEMICAL PROPERTIES; V2O5; NANOSTRUCTURES; SINGLE-CRYSTAL; LITHIUM; ELECTROCHROMISM; INTERCALATION; BATTERIES; TEMPERATURE; NANOBELTS;

D O I：

10.1039/c3nj01446k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The growth of ammonium trivanadate coatings was carried out on fluorine doped tin dioxide glass substrates by the hydrothermal method using an aqueous solution of ammonium metavanadate and hydrochloric acid to adjust the pH. Among the various pH values, the coating grown at pH 6 and 95 degrees C after 2 h exhibited the highest electrochemical activity and the fastest time response. In addition, the kinetics of lithium ions for the oxides prepared at pH 2 was found to be affected by the deposition period. These findings are discussed in terms of possible variations in crystals' shape, crystallinity and thickness occurring at the different pH and deposition periods studied. The importance of achieving crystalline materials exhibiting the best electrochemical performance is presented.

引用

页码：2098 / 2104

页数：7

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