用于检测正丁醇的 Sm 掺杂 CdS 纳米晶体气体传感器

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2025-04-01 DOI:10.1016/j.ceramint.2025.01.047

Kaiwen Zhou , Chen Yue , Mengxue Kang , Zhiguo Yang , Feifei Wang , Xiaoning Wang , Davoud Dastan , Xi-Tao Yin , Xiaoguang Ma

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引用次数: 0

摘要

本文首次提出了一种一步水热法制备负载钐的CdS传感材料作为正丁醇气体传感器。测试了该传感器的最佳工作温度和选择性性能，结果表明该传感器对正丁醇具有良好的选择性。在最佳工作温度225℃下，对100 ppm正丁醇气体的响应值可达51，几乎是原始CdS气体传感器的3倍，响应/恢复时间为19 s/8 s。此外，进一步测试了不同正丁醇浓度下的响应，并分析了其重复性和长期稳定性。利用x射线电子能谱（XPS）、扫描电子显微镜（SEM）、透射电子显微镜（TEM）和x射线衍射仪（XRD）分析了材料的结构、元素组成和表面形貌。在此基础上，全面解释了掺杂sm的CdS气体传感器对正丁醇的优异传感性能。

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Sm-doped CdS nanocrystals gas sensor for n-butanol detection

In this article, a one-step hydrothermal method for the preparation of samarium-loaded CdS sensing material is firstly given as a n-butanol gas sensor. The optimum operating temperature and selective performance of the gas sensor were tested, and the results indicated that the sensor has good selectivity to n-butanol. The response value to 100 ppm n-butanol gas can reach 51 which is almost three times higher than pristine CdS gas sensor at optimum operating temperature 225 °C and the response/recovery time is 19 s/8 s. In addition, the response in different n-butanol concentrations was further tested and its repeatability and long-term stability were also analyzed. In addition, the structure, elemental composition and surface morphology of the materials were analyzed by the X-ray electron spectroscopy (XPS), scanning electron microscope (SEM), transmission electron microscope (TEM), and X-ray diffraction (XRD). Based on the above research, the excellent sensing performance of Sm-doped CdS gas sensors to n-butanol are explained comprehensively.

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.