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基于负载在氧化石墨烯上的覆盆子状SiO@TiO纳米颗粒的光催化材料的合成与表征

Synthesis and Characterization of a Photocatalytic Material Based on Raspberry-like SiO@TiO Nanoparticles Supported on Graphene Oxide.

作者信息

Rios Citlalli, Bazán-Díaz L, Celaya Christian A, Salcedo Roberto, Thangarasu Pandiyan

机构信息

Facultad de Química, Circuito Escolar s/n, Ciudad Universitaria, Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México 04510, Mexico.

Instituto de Investigaciones en Materiales, Circuito Exterior s/n, Ciudad Universitaria, Universidad Nacional Autónoma de México, Coyoacán, Ciudad de México 04510, Mexico.

出版信息

Molecules. 2023 Oct 29;28(21):7331. doi: 10.3390/molecules28217331.

DOI:10.3390/molecules28217331
PMID:37959751
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10647393/
Abstract

A raspberry-like SiO@TiO new material supported on functionalized graphene oxide was prepared to reduce titania's band gap value. The material was characterized through different analytical methods such as Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and high-resolution transmission electron microscopy (HR-TEM). The band gap value was studied via UV-Vis absorption spectra and determined through the Kubelka-Munk equation. A theoretical study was also carried out to analyze the interaction between the species.

摘要

制备了一种负载在功能化氧化石墨烯上的树莓状SiO@TiO新型材料，以降低二氧化钛的带隙值。通过傅里叶变换红外光谱（FTIR）、X射线衍射（XRD）、扫描电子显微镜（SEM）、透射电子显微镜（TEM）和高分辨率透射电子显微镜（HR-TEM）等不同分析方法对该材料进行了表征。通过紫外-可见吸收光谱研究带隙值，并通过库贝尔卡-蒙克方程确定。还进行了理论研究以分析各物种之间的相互作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/8bd53a0f27a4/molecules-28-07331-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/0aed57fbcb32/molecules-28-07331-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/809c61673ab4/molecules-28-07331-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/5a6317e8c502/molecules-28-07331-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/6acdb2f4f1b4/molecules-28-07331-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/14a5e40ba167/molecules-28-07331-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/1322b75fd8d2/molecules-28-07331-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/43b729c781ee/molecules-28-07331-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/d5d07064b9c9/molecules-28-07331-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/8bd53a0f27a4/molecules-28-07331-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/0aed57fbcb32/molecules-28-07331-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/809c61673ab4/molecules-28-07331-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/5a6317e8c502/molecules-28-07331-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/6acdb2f4f1b4/molecules-28-07331-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/14a5e40ba167/molecules-28-07331-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/1322b75fd8d2/molecules-28-07331-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/43b729c781ee/molecules-28-07331-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/d5d07064b9c9/molecules-28-07331-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19a6/10647393/8bd53a0f27a4/molecules-28-07331-g009.jpg

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