Density functional theory calculations on the structures and electronic properties of boron nitride clusters toward formaldehyde

被引:2
作者
Li, Zhi [1 ]
Li, Jia-cong [1 ]
Yang, Shu-qi [1 ]
Yin, Jia-hui [1 ]
机构
[1] Univ Sci & Technol Liaoning, Sch Met & Mat, Anshan 114051, Peoples R China
关键词
Boron nitride clusters; Density functional theory; Structures; Electronic properties; MAGNETIC-PROPERTIES; SENSING PROPERTIES; TRANSITION-METALS; BN NANOTUBES; ADSORPTION; PRISTINE; NANOSHEETS; DFT; DECOMPOSITION; MOLECULES;
D O I
10.1007/s11164-023-05184-3
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The low concentration of formaldehyde (HCHO) released from decoration materials still display potential carcinogenicity due to the high toxicity of HCHO. Boron nitride nanotubes (BNNTs) as a stable material become a candidate for adsorbing HCHO. The differences in the structural stability of HCHO interacted with BNNTs with different diameters owing to the adsorption sites deserve further discussion. It provides a promising direction for the experimental preparation of appropriate diameter BNNTs. The structures, stability and electronic properties of HCHO adsorbed on the surfaces of BmNm (HCHOBmNm(s)), HCHO adsorbed at the ends of BmNm (HCHOBmNm(e)) and HCHO embedded into BmNm (HCHO@BmNm) (m=48, 72 and 96) clusters have been investigated by using density functional theory. The results reveal that the diameter of B48N48 clusters (or (4,4) armchair single-walled BNNTs) is too small to embed HCHO while promote charge transfer between the HCHO and B48N48 clusters. The HCHOB48N48(s), HCHOB72N72(e) and HCHOB96N96(e) clusters exhibit higher chemical stability than other HCHOBmNm(s), HCHOBmNm(e) and HCHO@BmNm clusters. The results also suggest that BNNTs is an ideal material for HCHO adsorption since physisorption is helpful to recycle BNNTs.
引用
收藏
页码:397 / 412
页数:16
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