化工新型材料

化工新型材料 ›› 2020, Vol. 48 ›› Issue (12) : 231-235. DOI: 10.19817/j.cnki.issn 1006-3536.2020.12.054

开发与应用

层状结构硫化物KSb₅S₈用于可见光催化降解甲基橙的研究

^1,2

⁴

^3*

作者信息 +

Visible light driven photoderadation of KSb₅S₈ with layered crystal structure for MO

Li Yuanyuan^1,2, Wu Meijun¹, Chen Baoyu¹, Long Xiao³, Zhang Bin⁴, Zhang Junfeng², Yang Dingfeng³

Author information +

文章历史 +

Received		Published
2019-08-15		2020-12-20
Issue Date	Revised Date
2021-01-21	2019-08-15

PDF

摘要

采用硫脲自助熔方法制备光催化材料KSb₅S₈,通过X射线多晶衍射对其进行结构表征,并将其用于降解甲基橙(MO)溶液的研究。光催化降解MO溶液实验表明,当溶液的pH=2时,KSb₅S₈对MO溶液的降解率远高于g-C₃N₄,在20min内其降解率可达到99%,且符合一级动力学模型。光催化活性自由基捕获实验表明,空穴(h⁺)是主要的氧化活性物种。光催化循环实验表明,KSb₅S₈具有较高的光催化稳定性。

Abstract

The synthesis of KSb₅S₈ via a self-flux method and its photodegradation of methyl orange (MO) solution under visible light irradiation were reported.The crystal structure of KSb₅S₈ was characterized by powder-X ray diffraction.In contrast to the state-of-art layered g-C₃N₄,KSb₅S₈ had preferable photocatalytic performance over MO solution,and the photodegradation ratio could be reached to 99% within 20min at pH=2,the corresponded photodegradation dynamic reaction could be evaluated by the pseudo-first-order model.Trapping experiments revealed that hole (h⁺) acted as an critical role in the photocatalytic reaction.Further,cycling running experiments indicated that KSb₅S₈ embraced relatively high photocatalytic stable performance.A substantial guidance was offered to design,and discovered novel efficient sulfide photocatalyst with layered crystal structure.

关键词

层状硫族化合物 / KSb₅S₈ / 光催化 / 可见光 / 甲基橙

Key words

layered sulfide compound / KSb₅S₈ / photocatalysis / visible light / methyl orange

引用本文

引用格式 ▾

层状结构硫化物KSb₅S₈用于可见光催化降解甲基橙的研究[J]. 化工新型材料, 2020, 48(12): 231-235 DOI:10.19817/j.cnki.issn 1006-3536.2020.12.054

登录浏览全文

4963

注册一个新账户忘记密码

参考文献

原文顺序 | 出版日期 | 本文引用

[1] Kudo A,Miseki Y.Heterogeneous photo-catalyst materials for water splitting[J].Chem Soc Rev,2009,38:253-278.
[2] Chen X B,Shen S H,Guo L J,et al.Semiconductor-based photocatalytic hydrogen generation[J].Chem Rev,2010,110:6503-6570.
[3] Kim D H,Yeo H C,Shin D B,et al.Dissimilar anisotropy of electron versus hole bulk transport in anatase TiO₂:implications for photo-catalysis[J].Phys Rev B,2017,95:045209-045214.
[4] Hussain H,Tocci G,Woolcot T,et al.Structure of a model TiO₂ photocatalytic interface[J].Nat Mater,2017,16:461-466.
[5] Praveen S,Maschio L,Rerat M,et al.BiVO₃:a bi-based material with promising UV-visible light absorption properties[J].Phys Rev B,2017,96:165152-165159.
[6] Yan T J,Li L P,Li G S,et al.Porous SnIn₄S₈ microspheres in a new polymorph that promotes dyes degradation under visible light irradiation[J].J Hazard Mater,2011,186:272-279.
[7] Yang J,Fu H,Yang D F,et al.ZnGa_2-xIn_xS₄(0<x<0.4) and Zn_1-2_y(CuGa)_yGa_1.7In_0.3S₄(0.1<y<0.2):optimize visible light photocatalytic H₂ evolution by fine modulation of band structures[J].Inorg Chem,2015,54:2467-2473.
[8] Bao N Z,Shen L M,Takata T,et al.Self-templated synthesis of nanoporous Cd Snanostructures for highly efficient photocatalytic hydrogen production under visible light[J].Chem Mater,2008,2:110-117.
[9] Lei Z B,You W S,Liu M Y,et al.Photocatalytic water reduction under visible light on a novel ZnIn₂S₄ catalyst synthesized by hydrothermal method[J].Chem Commun,2003,0:2142-2143.
[10] Jing Y,Ma Y D,Wang Y,et al.Ultrathin layers of PdPX (X=S,Se):two dimensional semiconductors for photocatalytic water splitting[J].Chem Eur J,2017,23:13612-13616.
[11] Zhang X,Zhao X D,Wu D H,et al.MnPSe₃ monolayer:a promising 2D visible-light photohydrolytic catalyst with high carrier mobility[J].Adv Sci,2016,3:1-5.
[12] Wingkei H,Yu J C,Lin J,et al.Preparationand photocatalytic behavior of MoS₂ and WS₂ nanocluster sensitized TiO₂[J].Langmuir,2004,20:5865-5869.
[13] Cao S W,Yu J G.g-C₃N₄-basedphotocatalysts for hydrogen generation[J].J Phys Chem Lett,2014,5:2101-2107.
[14] Cao J,Xu B Y,Luo B D,et al.Novel BiOI/BiOBr heterojunction photocatalysts with enhanced visible light photocatalytic properties[J].Catal Commun,2011,13:63-68.
[5] Sinha S K,Song T W,Wan X F,et al.Scratch and normal hardness characteristics of polyamide 6/nano-clay composite[J].Wear,2009,266(7-8):814-821.
[6] 王志忠,斩英,巩志坚.煤渐青利用新途径一制造碳纤维机[J].山西化工,1991(3):25-26.
[7] 张规诚,韩宝莲.浅析渐青基碳纤维的市场前景与生产现状饥[J].煤化工,2001(3):20-22.
[8] 王太炎.碳纤维工业发展态势与我国渐青基碳纤维现状机[J].燃料与化工,1999,30(6):259-266.
[9] Harsha A P.An investigation on low stress abrasive wear characteristics of high performance engineering thermoplastic polymers[J].Wear,2011,271(5-6);942-951.
[10] Kim S S,Yu H N,Lee D G,et al.Tribological behaviors of plasma-treated carbon composite grooved surfaces[J].Compos Struct,2010,92(5):1039-1046.
[11] Jia J H,Zhou H D,Gao S Q,et al.A comparative investigation of the friction and wear behavior of polyimide composites under dry sliding and water-lubricated condition[J].Materials Science and Engineering:A,2003,A356:48-53.
[12] Li Y,Fang Q F,Yi Z G,et al.A study of internal friction in polypropylene (PP) filled with nanometer-scale CaCO₃ particles[J].Materials Science and Engineering:A,2004,A370:268-272.
[13] 倪艳,鲁希华,林中清,等.聚丙烯复合材料性能的研究[J].塑料工业,1995,23(4):31-33.
[14] 段卫华,周乐,陈弦,等.长玻璃纤维增强尼龙66力学性能的研究[J].塑料工业,2009,37(4):32-34.
[15] Zhang Yuanyuan,Zhu Shiwei,Liu Yuan,et al.The mechanical and tribological properties of nitric acid-treated carbon fiber-reinforced polyoxymethylene composites[J].Journal of Applied Polymer Science,2015,132(15):41812.
[16] Kukureka S N,Hooke C J,Rao M,et al.The effect of fifibrereinforcement on the friction and wear of polyamide 66 under dry rolling-sliding contact[J].Tribol Int,1999,32:107-116.
[17] Emad Omrani,Bamdad Barari,Afsaneh Dorri Moghadam,et al.Mechanical and tribological properies of self-lubricating bio-based carbon-fabri epoxy composites made using liquid composite molding[J].Tribology International,2015,92:222-232.