全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
催化学报  2014 

太阳光下高光催化活性Pr-N-P三元掺杂锐钛矿TiO2纳米片

DOI: 10.1016/S1872-2067(14)60047-4, PP. 1068-1077

Keywords: 氧化钛,Pr-N-P三元掺杂,溶胶-凝胶,溶剂热,太阳光,光催化

Full-Text   Cite this paper   Add to My Lib

Abstract:

?利用溶胶-凝胶和溶剂热联合技术制备了Pr-N-P三元掺杂锐钛矿TiO2(PrNPTO)纳米片,并采用X射线衍射、透射电镜、N2吸附、X射线光电子能谱、UV-vis吸收谱和光致荧光光谱分析技术对其进行了表征.当Pr掺杂量为1.75wt%,焙烧温度为550℃时,制得的PrNPTO在可见和紫外光下光催化降解亚甲基蓝(MB)活性最佳.在模拟太阳光照射下,PrNPTO也表现出优越的光催化降解4-氯酚性能(kapp=3.90×10-2min-1),优于未掺杂、单掺杂和双掺杂TiO2样品,其光活性是P25TiO2的3.33倍(kapp=1.17×10-2min-1).PrNPTO光活性的提高归因于Pr-N-P三元掺杂增强了紫外和可见光吸收,降低了光生载流子复合,增加了表面羟基以及改善了表面织构特性.在模拟太阳光照射下,PrNPTO光催化效率高且光催化性能稳定,适合于环境净化领域的实际应用.

References

[1]  Di Paola A, García-López E, Marcì G, Palmisano L. J Hazard Mater, 2012, 211-212: 3
[2]  Pelaez M, Nolan N T, Pillai S C, Seery M K, Falaras P, Kontos A G, Dunlop P S M, Hamilton J W J, Byrne J A, O'Shea K, Entezari M H, Dionysiou D D. Appl Catal B, 2012, 125: 331
[3]  Chen L H, Li X Y, Deng Z, Hu Z Y, Rooke J C, Krief A, Yang X Y, Su B L. Catal Today, 2013, 212: 89
[4]  Olabarrieta J, Zorita S, Peńa I, Rioja N, Monzón O, Benguria P, Scifo L. Appl Catal B, 2012, 123-124: 182
[5]  Yu F H, Wang J H, Zhao K F, Yin J, Jin C Z, Liu X. Chin J Catal (于福海, 王军虎, 赵昆峰, 尹杰, 金长子, 刘忻. 催化学报), 2013, 34: 1216
[6]  Asahi R, Morikawa T, Ohwaki T, Aoki K, Taga Y. Science, 2001, 293: 269
[7]  Dozzi M V, Selli E. J Photochem Photobiol C, 2013, 14: 13
[8]  Lin L, Lin W, Xie J L, Zhu Y X, Zhao B Y, Xie Y C. Appl Catal B, 2007, 75: 52
[9]  Lü Y Y, Yu L S, Huang H Y, Liu H L, Feng Y Y. J Alloys Compd, 2009, 488: 314
[10]  Elghnigi K, Hentati O, Mlaik N, Mahfoudh A, Ksibi M. J Environ Sci, 2012, 24: 479
[11]  Jiang H Q, Wang Q F, Li J S, Wang Q Y, Li Z Y. Acta Chim Sin (姜洪泉, 王巧凤, 李井申, 王庆元, 李振宇. 化学学报), 2012, 70: 2173
[12]  Umare S S, Charanpahari A, Sasikala R. Mater Chem Phys, 2013, 140: 529
[13]  Jiang H Q, Yan P P, Wang Q F, Zang S Y, Li J S, Wang Q Y. Chem Eng J, 2013, 215-216: 348
[14]  Jiang H Q, Wang Q Y, Zang S Y, Li J S, Wang Q F. J Hazard Mater, 2013, 261: 44
[15]  Xia K S, Ferguson D, Djaoued Y, Robichaud J, Tchoukanova N, Brüning R, McCalla E. Appl Catal A, 2010, 387: 231
[16]  Yao N, Cao S L, Yeung K L. Microporous Mesoporous Mater, 2009, 117: 570
[17]  He F, Ma F, Li T, Li G X. Chin J Catal (何霏, 马芳, 李涛, 李光兴. 催化学报), 2013, 34: 2263
[18]  Jaiswal R, Patel N, Kothari D C, Miotello A. Appl Catal B, 2012, 126: 47
[19]  Cheng X W, Yu X J, Li B Y, Yan L, Xing Z P, Li J J. Mater Sci Eng B, 2013, 178: 425
[20]  Lee S, Cho I S, Lee D K, Kim D W, Noh T H, Kwak C H, Park S, Hong K S, Lee J K, Jung H S. J Photochem Photobiol A, 2010, 213: 129
[21]  Di Valentin C, Finazzi E, Pacchioni G, Selloni A, Livraghi S, Paganini M C, Giamello E. Chem Phys, 2007, 339: 44
[22]  Brahimi R, Bessekhouad Y, Trari M. Phys B, 2012, 407: 3897
[23]  Amlouk A, El Mir L, Kraiem S, Saadoun M, Alaya S, Pierre A C. Mater Sci Eng B, 2008, 146: 74
[24]  Jing L Q, Xin B F, Yuan F L, Xue L P, Wang B Q, Fu H G. J Phys Chem B, 2006, 110: 17860
[25]  Sun S, Ding J J, Bao J, Gao C, Qi Z M, Yang X Y, He B, Li C X. Appl Surf Sci, 2012, 258: 5031
[26]  Li H Q, Xu B L, Fan Y N. Chem Phys Lett, 2013, 558: 66
[27]  Dolat D, Quici N, Kusiak-Nejman E, Morawski A W, Li Puma G. Appl Catal B, 2012, 115-116: 81
[28]  Yu X L, Wang Y, Meng X J, Yang J J. Chin J Catal (于新娈, 王岩, 孟祥江, 杨建军. 催化学报), 2013, 34: 1418
[29]  Xu L, Tang C Q, Qian J, Huang Z B. Appl Surf Sci, 2010, 256: 2668
[30]  Zheng R Y, Guo Y, Jin C, Xie J L, Zhu Y X, Xie Y C. J Mol Catal A, 2010, 319: 46
[31]  Yu C L, Yu J C, Zhou W Q, Yang K. Catal Lett, 2010, 140: 172
[32]  Chen W G, Yuan P F, Zhang S, Sun Q, Liang E J, Jia Y. Phys B, 2012, 407: 1038
[33]  Chiou C H, Juang R S. J Hazard Mater, 2007, 149: 1
[34]  Yang J, Dai J, Li J T. Appl Surf Sci, 2011, 257: 8965
[35]  Wu J, Liu Q J, Gao P, Zhu Z Q. Mater Res Bull, 2011, 46: 1997
[36]  Lin L, Zheng R Y, Xie J L, Zhu Y X, Xie Y C. Appl Catal B, 2007, 76: 196
[37]  Yan P P, Jiang H Q, Zang S Y, Li J S, Wang Q Y, Wang Q F. Mater Chem Phys, 2013, 139: 1014
[38]  Ma Y F, Zhang J L, Tian B Z, Chen F, Wang L Z. J Hazard Mater, 2010, 182: 386
[39]  Shen Y F, Xiong T Y, Du H, Jin H Z, Shang J K, Yang K. J Sol-Gel Sci Technol, 2009, 50: 98
[40]  Hu S Z, Li F Y, Fan Z P. J Hazard Mater, 2011, 196: 248
[41]  Choi W K, Termin A, Haffman M R. J Phys Chom, 1994, 98: 3669
[42]  Zhang Q H, Gao L, Guo J K. Appl Catal B, 2000, 26: 207

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133