【公開日：2025.06.10】【最終更新日：2025.05.15】
課題データ / Project Data
課題番号 / Project Issue Number
24KU1049
利用課題名 / Title
Developing metallic, metal-oxide, and carbon-supported iron materials for energy and environmental remediation applications.
利用した実施機関 / Support Institute
九州大学 / Kyushu Univ.
機関外・機関内の利用 / External or Internal Use
内部利用（ARIM事業参画者以外）/Internal Use (by non ARIM members)
技術領域 / Technology Area
【横断技術領域 / Cross-Technology Area】（主 / Main）物質・材料合成プロセス/Molecule & Material Synthesis（副 / Sub）-
【重要技術領域 / Important Technology Area】（主 / Main）次世代ナノスケールマテリアル/Next-generation nanoscale materials（副 / Sub）革新的なエネルギー変換を可能とするマテリアル/Materials enabling innovative energy conversion
キーワード / Keywords
電極材料/ Electrode material,エネルギー貯蔵/ Energy storage,ナノ粒子/ Nanoparticles,二次電池/ Secondary battery,燃料電池/ Fuel cell
利用者と利用形態 / User and Support Type
利用者名（課題申請者）/ User Name (Project Applicant)
MAAMOUN Ibrahim
所属名 / Affiliation
九州大学大学院農学研究院
共同利用者氏名 / Names of Collaborators in Other Institutes Than Hub and Spoke Institutes
ARIM実施機関支援担当者 / Names of Collaborators in The Hub and Spoke Institutes
田中友基、KIM CHAERIN
利用形態 / Support Type
（主 / Main）機器利用/Equipment Utilization（副 / Sub）,技術代行/Technology Substitution
利用した主な設備 / Equipment Used in This Project
KU-512：透過型電子顕微鏡装置群
KU-511：走査電子顕微鏡装置群
報告書データ / Report
概要（目的・用途・実施内容）/ Abstract (Aim, Use Applications and Contents)
This work aimed to investigate the effect of using conventional heating and microwave irradiation on the synthesis of Ag and Fe-based nanoparticles by characterizing the morphological properties using STEM. The synthesized Fe-based nanoparticles will be used as nanoadditives in the anode chamber of microbial fuel cells to enhance the electron transfer from the anolyte to the electrode surface, thereby enhancing the generated voltage. The synthesized Ag nanoparticles will be used to prepare an antimicrobial peptide nanocomposite that can be used to sterilize spore-forming bacteria.
実験 / Experimental
Ag nanoparticles were prepared via the heating-assisted chemical reduction of silver precursor by trisodium citrate in the presence of PVP as a polymer stabilizer. Conventional and microwave heating approaches were considered at different temperatures. Fe-based nanoparticles were synthesized using the hydrothermal method and microwave-assisted irradiation, considering Fe(II) and Fe(III) precursors. After washing and drying the powder materials, the samples were loaded on a Cu TEM-grid, and later set in the designated sample holder of SU-9000 with the help of the collaborator and the instrument-responsible staff. Furthermore, the characterization and data exporting were conducted with the help of the collaborator and the instrument-responsible staff.
結果と考察 / Results and Discussion
STEM observations were conducted on several Ag and Fe-based nanoparticles synthesized by conventional heating and microwave irradiation. The results showed the aggregation of the particles in both synthesis approaches. However, nano spikes were observed on the surface of Fe-based nanoparticles that were synthesized by microwave irradiation. Further investigation will be needed to confirm the growth mechanism of these nano spikes and the corresponding effect of microwave irradiation conditions (i.e., frequency and power).
図・表・数式 / Figures, Tables and Equations
その他・特記事項（参考文献・謝辞等） / Remarks(References and Acknowledgements)
成果発表・成果利用 / Publication and Patents
論文・プロシーディング（DOIのあるもの） / DOI (Publication and Proceedings)
口頭発表、ポスター発表および、その他の論文 / Oral Presentations etc.
特許 / Patents
特許出願件数 / Number of Patent Applications：0件
特許登録件数 / Number of Registered Patents：0件