Development of nanowalls-like Co3O4 synthesized via a rapid direct heating approach

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2025-02-01 DOI:10.1016/j.matlet.2025.138124

Soo-Ling Bee , Chia-Wen Ooi , Swee-Yong Pung

引用次数: 0

Abstract

Conventional methods for synthesizing Co₃O₄ nanomaterials, such as sol–gel and hydrothermal techniques, typically require high energy consumption and long processing times. This study introduces a single-step direct heating (DH) method, offering a faster and more energy-efficient alternative by synthesizing Co₃O₄ nanomaterials on kanthal substrate in just 20 min, using minimal electrical power of only 50 W. The influence of precursor selection on the formation of Co₃O₄ was examined using XRD, FESEM, EDX, and UV–Visible spectroscopy. Among the tested precursors, C₄H₆CoO₄·4H₂O was identified as the optimal precursor, leading to the formation of a nanowall-like morphology with band gaps ranging from 1.85 to 2.17 eV.

Abstract Image

查看原文本刊更多论文

求助全文

约1分钟内获得全文求助全文

来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive