在線閱讀 --自然科學版 2021年3期《囊包多酸的金屬-有機納米籠的機械研磨法制備及其催化降解染料性能》
囊包多酸的金屬-有機納米籠的機械研磨法制備及其催化降解染料性能--[在線閱讀]
張春晶1, 孫雨1, 甄慶芳1, 劉校1, 馬爽1, 龐海軍2
1. 黑龍江中醫藥大學 藥學院, 黑龍江 哈爾濱 150040;
2. 哈爾濱理工大學 化學與環境工程學院, 黑龍江 哈爾濱 150080
起止頁碼: 270--274頁
DOI: 10.13763/j.cnki.jhebnu.nse.202103007
摘要
利用機械研磨法,選用鈦取代的Keggin型磷鎢酸、醋酸銅以及有機配體均苯三甲酸為主要原料,制備了一種新型囊包多酸金屬-有機納米籠催化劑材料,并通過紅外光譜、粉末X射線衍射及氮氣吸附等技術進行了表征.再以所制備的材料為光催化劑考察了其光催化降解亞甲基藍染料的性能,經過250W汞燈照射加入催化劑的亞甲基藍溶液60min后,亞甲基藍的降解率達86%;而相同實驗條件不加催化劑的空白亞甲基藍溶液的染料降解率僅為28%.該實驗結果說明所制備材料是一種潛在的高效催化劑,可望應用于光催化降解工業染料廢水.

Preparation of a Polyoxometalate-encapsulated Metal Organic Nanocage by MechanicalGrinding and Its Catalytic Performance for Dye Degradation
ZHANG Chunjing1, SUN Yu1, ZHEN Qingfang1, LIU Xiao1, MA Shuang1, PANG Haijun2
1. College of Pharmaceutical Sciences, Heilongjiang University of Chinese Medicine, Heilongjiang Harbin 150040, China;
2. College of Chemical and Environmental Engineering, Harbin University of Science and Technology, Heilongjiang Harbin 150080, China
Abstract:
A novel polyoxometalate-encapsulated metal organic nanocage was prepared by mechanicalgrinding method using titanium substituted Keggin type polyoxometalate,copper acetate and organic ligand 1,3,5-benzenetricarboxylic acid as reaction materials.The obtained material was characterized by infrared spectroscopy,powder X-ray diffraction and nitrogen adsorption.The photocatalytic degradation of methylene blue dye was investigated by using the prepared materials as photocatalysts.After irradiation with 250W mercury lamp for 60minutes,the degradation rate of methylene blue reached 86%.While,the dye degradation rate of methylene blue in a blank experiment (without catalyst) was only 28%.The experimental results show that the obtained catalyst is high-efficiency,which can be applied to photocatalytic degradation of industrial dye waste-water.

收稿日期: 2020-11-08
基金項目: 國家自然科學基金(21501053,51572063);黑龍江省普通高等學校青年創新人才基金(UNPYSCT-2017213)

參考文獻:
[1]錢崇濂.致癌染料——芳香胺的致癌機理[J].染整技術,1996,18(2):30-32. QIAN Chonglian.Carcinogenic Dye:Carcinogenic Mechanism of Aromatic Amine[J].Textile Dyeing and Finishing Journal, 1996,18(2):30-32.
[2]王恩波,胡長文,許林.多酸化學導論[M].北京:化學工業出版社,1998. WANG Enbo,HU Changwen,XU Lin.Introduction to Polyoxometalate Chemistry[M].Beijing:Chemistry Industry Press,1998.
[3]HOU Y,PANG H J,ZHANG L,et al.Highly Dispersive Bimetallic Sulfides Afforded by Crystalline Polyoxometalate-based Coordination Polymer Precursors for Efficient Hydrogen Evolution Reaction[J].Power Sources,2020,446:227319.doi:10.1016/j.jpowsour.2019.227319
[4]WANG G N,CHEN T T,GÓMEZ-GARCÍA C J,et al.A High-capacity Negative Electrode for Asymmetric Supercapacitors Based on a PMo12 Coordination Polymer with Novel Water-assisted Proton Channels[J].Small,2020,16:2001626.doi:10.1002/smll.202001626
[5]LI B N,YU X J,PANG H J,et al.Rational Regulation of Transition Metals in Polyoxometalate Hybrids Without Noble-Metal Assistant for Efficient Light-driven H2 Production[J].Chem Commun,2020,56:7199-7202.doi:10.1039/d0cc00846j
[6]PANG H J,PENG J,ZHANG C J,et al.A Polyoxometalate-encapsulated 3D Porous Metal:Organic Pseudo-rotaxane Framework[J].Chem Commun,2010,46:5097-5099.doi:10.1039/cdd3048a
[7]DU D Y,QIN J S,LI S L,et al.Recent Advances in Porous Polyoxometalate-based Metal-organic Framework Materials[J].Chem Soc Rev,2014,43:4615-4632.doi:10.1039/c3csb0404c
[8]LI R,REN X Q,ZHAO J S,et al.Polyoxometallates Trapped in a Zeolitic Imidazolate Framework Leading to High Uptake and Selectivity of Bioactive Molecules[J].J Mater Chem A,2014,2:2168-2173.doi:10.1039/c3ta14267a
[9]KATO C N,HAYASHI K,NEGISHI S,et al.A Novel Ti-O-Ti Bonding Species Constructed in a Metal-oxide Cluster[{Ti(OH)2)(ox)]2(μ-O)(α-PW11O39)]5- as a Precatulyst:Epoxidation of Alkenes with Hydrogen Peroxide[J].J Mol Catal A:Chem,2007,262:25-29.doi:10.1016/j.molcata.2006.08.052
[10]CHUI S S Y,LO S M F,CHARMANT J P H,et al.A Chemically Functionalizable Nanoporous Material[Cu3(TMA)2(H2O)3]n[J].Science,1999,283(5405):1148-1150.doi:10.1126/science.283.5405.1148
午夜神器成在线人成在线人-午夜神器A片免费看