Innovative synthesis and performance enhancement of yttria-stabilized zirconia nanocrystals via hydrothermal method with Uncaria gambir Roxb. leaf extract as a capping agent

IF 1.2 4区综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES

Kuwait Journal of Science Pub Date : 2024-11-07 DOI:10.1016/j.kjs.2024.100342

Zulhadjri , Alfir Rizki , Yulia Eka Putri , Tio Putra Wendari , Nandang Mufti , Henry Setiyanto , Muhammad Safwan Aziz

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Abstract

Yttria-stabilized zirconia (YSZ) is a ceramic material with versatile applications, yet its synthesis and performance improvements remain essential. This study introduces an innovative hydrothermal synthesis method with pH control and Uncaria gambir Roxb. leaf extract as a bio-capping agent for YSZ nanocrystals with the composition Zr_0.92Y_0.08O_1.96. Structural analysis revealed that the capping agent led to a single-phase cubic structure, enhancing YSZ stability and performance. Scanning electron micrographs showed improved particle homogeneity and reduced agglomeration in the presence of the bio-capping agent. Infrared spectroscopy highlighted the vibrational features of YSZ, including O–Y–O and Zr(Y)–O bonds. The bio-capping agent significantly affected YSZ ionic conductivity and activation energy for ionic migration. These findings underscore the potential of utilizing Uncaria gambir Roxb. leaf extract as a bio-capping agent to enhance the structural stability and ionic conductivity of YSZ nanocrystals, with implications for applications in solid oxide fuel cells and other ionic transport systems.

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以 Uncaria gambir Roxb.叶提取物为封盖剂，通过水热法创新合成钇稳定氧化锆纳米晶体并提高其性能

钇稳定氧化锆（YSZ）是一种用途广泛的陶瓷材料，但其合成和性能改进仍然至关重要。本研究介绍了一种创新的水热合成方法，采用 pH 值控制和 Uncaria gambir Roxb.叶提取物作为 YSZ 纳米晶体的生物封端剂，其成分为 Zr0.92Y0.08O1.96。结构分析表明，封端剂导致了单相立方结构，提高了 YSZ 的稳定性和性能。扫描电子显微照片显示，在生物封端剂的作用下，颗粒的均匀性得到改善，团聚现象减少。红外光谱显示了 YSZ 的振动特征，包括 O-Y-O 和 Zr(Y)-O 键。生物封盖剂极大地影响了 YSZ 的离子导电性和离子迁移的活化能。这些发现强调了利用 Uncaria gambir Roxb.叶提取物作为生物封盖剂来提高 YSZ 纳米晶体的结构稳定性和离子导电性的潜力，对固体氧化物燃料电池和其他离子传输系统的应用具有重要意义。

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来源期刊

Kuwait Journal of Science MULTIDISCIPLINARY SCIENCES-

CiteScore

1.60

自引率

28.60%

发文量

132

期刊介绍： Kuwait Journal of Science (KJS) is indexed and abstracted by major publishing houses such as Chemical Abstract, Science Citation Index, Current contents, Mathematics Abstract, Micribiological Abstracts etc. KJS publishes peer-review articles in various fields of Science including Mathematics, Computer Science, Physics, Statistics, Biology, Chemistry and Earth & Environmental Sciences. In addition, it also aims to bring the results of scientific research carried out under a variety of intellectual traditions and organizations to the attention of specialized scholarly readership. As such, the publisher expects the submission of original manuscripts which contain analysis and solutions about important theoretical, empirical and normative issues.