Fabrication of Sn(IV)porphyrin-Imbedded Silica Aerogel Compositeopen access
- Authors
- Jo, Min-Gyeong; Kim, Nam-Gil; Kim, Hee-Joon
- Issue Date
- Sep-2023
- Publisher
- MDPI
- Keywords
- Sn(IV)porphyrin; silica; aerogel; porous structure; hybrid composite
- Citation
- JOURNAL OF COMPOSITES SCIENCE, v.7, no.9
- Journal Title
- JOURNAL OF COMPOSITES SCIENCE
- Volume
- 7
- Number
- 9
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/26595
- DOI
- 10.3390/jcs7090401
- ISSN
- 2504-477X
- Abstract
- Optoelectronic functional composite materials with porous structures are of great importance in various fields. A hybrid composite (SnP@SiA) composed of (trans-dihydroxo)(5,10,15,20-tetraphenylporphyrinato)tin(IV) (SnP) in silica aerogel (SiA) was successfully fabricated through the reaction of SnP with silanol groups of SiA in the presence of hexamethyldisilazane (HMDS). SnP@SiA was then characterized using various instrumental techniques. The zeta potential for SnP@SiA (-11.62 mV) was found to be less negative than that for SiA (-18.26 mV), indicating that the surface of SnP@SiA is covered by hydrophobic species such as SnP and trimethylsilyl groups. The Brunauer-Emmett-Teller (BET) surface area, pore volume, and average pore size of SnP@SiA are 697.07 m(2)/g, 1.69 cm(3)/g, and 8.45 nm, respectively, making it a suitable composite for catalytic applications. SnP@SiA, a photocatalyst with high porosity and a large surface area, yields promising performance in the photodegradation of acid orange 7 (AO7) under visible light irradiation in aqueous solution. This hybrid composite exhibited the desirable properties of aerogels along with the photoelectronic features of porphyrins. Therefore, this porphyrin-imbedded mesoporous material has valuable potential in various applications such as photocatalysis, light energy conversion, biochemical sensors, and gas storage.
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