Fabrication of copper cobaltite films by drop-on-demand inkjet printing

被引：2
|
作者：
Samos-Puerto, Angel [1 ]
Oskam, Gerko [1 ]
Ruiz-Gomez, Miguel A. [1 ,2 ]
机构：
[1] CINVESTAV IPN, Dept Fis Aplicada, Merida 97310, Yucatan, Mexico
[2] CINVESTAV IPN, CONACYT, Dept Fis Aplicada, Merida 97310, Yucatan, Mexico
来源：
MATERIALS LETTERS | 2021年 / 290卷
关键词：
Copper cobalt oxide materials; p-CuCo2O4; Photoelectrochemistry; Inkjet drop spacing; FACILE SYNTHESIS; SPINEL CUCO2O4; ELECTRODES;
D O I：
10.1016/j.matlet.2021.129499
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Inkjet printing has become an efficient and scalable technique for materials deposition using digital patterning. We report the use of inkjet printing as an alternative for the preparation of copper cobaltite films, with control over the pattern definition and film thickness from 180 nm to 815 nm by adjusting the drop spacing for an optimized ink and jetting voltage. The inkjet-printed films are formed by nanoparticles with size similar to 100 nm and the principal crystalline phase corresponds to copper cobaltite with the overall stoichiometry Cu0.92Co2.08O4. The films are characterized by a dark-brown color showing absorption in the range from 400 nm to 800 nm, and present a cathodic photocurrent under simulated solar illumination in an inert aqueous solution (pH 5.3). (C) 2021 Elsevier B.V. All rights reserved.
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页数：4
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