Journal Home > Volume 5 , issue 3

Hierarchical urchin-like γ-Al2O3 hollow microspheres were prepared by a hydrothermal method followed by a calcination process using Al(NO3)3·9H2O as aluminum source, NH3·H2O as precipitating agent, and P123 as structure-directing agent (SDA). The obtained samples were investigated using X-ray diffraction (XRD), filed emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), and N2 adsorption/desorption. The influences of P123 concentration, acidic condition, and hydrothermal time on the morphology of product were discussed. P123 has a great influence on ruling the oriented attachment of nanowires and stabilizing the superstructure in the self-assembly process. The 3D urchin-like hollow microspheres have a surface area of 210.2 m2/g and the average pore size is 11.42 nm, which have widely potential application such as catalyst, adsorption, and separation.


menu
Abstract
Full text
Outline
About this article

P123 assisted synthesis and characterization of urchin-like γ-Al2O3 hollow microspheres

Show Author's information Qi LIANGaXiaorui GUOaTingting QUANaFancheng MENGa,b( )
Department of Materials, Chongqing University of Technology, Chongqing 400054, China
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China

Abstract

Hierarchical urchin-like γ-Al2O3 hollow microspheres were prepared by a hydrothermal method followed by a calcination process using Al(NO3)3·9H2O as aluminum source, NH3·H2O as precipitating agent, and P123 as structure-directing agent (SDA). The obtained samples were investigated using X-ray diffraction (XRD), filed emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), and N2 adsorption/desorption. The influences of P123 concentration, acidic condition, and hydrothermal time on the morphology of product were discussed. P123 has a great influence on ruling the oriented attachment of nanowires and stabilizing the superstructure in the self-assembly process. The 3D urchin-like hollow microspheres have a surface area of 210.2 m2/g and the average pore size is 11.42 nm, which have widely potential application such as catalyst, adsorption, and separation.

Keywords:

γ-Al2O3, hydrothermal method, hollow microspheres, urchin-like, crystal growth
Received: 23 February 2016 Revised: 22 May 2016 Accepted: 07 June 2016 Published: 21 August 2016 Issue date: September 2016
References(30)
[1]
Yan H, Wang J, Li S, et al. L-Lysine assisted synthesis of β-Ni(OH)2 hierarchical hollow microspheres and their enhanced electrochemical capacitance performance. Electrochim Acta 2013, 87: 880–888.
[2]
Zhou J, Wang L, Zhang Z, et al. Facile synthesis of alumina hollow microspheres via trisodium citrate-mediated hydrothermal process and their adsorption performances for p-nitrophenol from aqueous solutions. J Colloid Interface Sci 2013, 394: 509–514.
[3]
Lan S, Guo N, Liu L, et al. Facile preparation of hierarchical hollow structure gamma alumina and a study of its adsorption capacity. Appl Surf Sci 2013, 283: 1032–1040.
[4]
Yu M, Zhou K, Zhang Y, et al. Porous Al2O3 microspheres prepared by a novel ice-templated spray drying technique. Ceram Int 2014, 40: 1215–1219.
[5]
Hu Y, Ding H, Li C. Preparation of hollow alumina nanospheres via surfactant-assisted flame spray pyrolysis. Particuology 2011, 9: 528–532.
[6]
Liu X, Peng T, Yao J, et al. Synthesis and textural evolution of alumina particles with mesoporous structures. J Solid State Chem 2010, 183: 1448–1456.
[7]
Dabbagh HA, Shahraki M. Mesoporous nano rod-like γ-alumina synthesis using phenol–formaldehyde resin as a template. Microporous Mesoporous Mater 2013, 175: 8–15.
[8]
Zhang Y, Ji H, Chen Y, et al. A simple one-step solvothermal synthesis of hierarchically structured ZnO hollow spheres for enhanced selective ethanol sensing properties. J Mater Sci: Mater El 2014, 25: 573–580.
[9]
Li X, Si Z, Lei Y, et al. Hierarchically structured Fe3O4 microspheres: Morphology control and their application in wastewater treatment. CrystEngComm 2011, 13: 642–648.
[10]
Xu B-S, Zhao Y, Shen X-L, et al. Dissipative particle dynamics simulation of multicompartment micelles self-assembled from a blend of triblock copolymers and diblock copolymers in an aqueous solution. Acta Phys-Chim Sin 2014, 30: 646–653.
[11]
Tao J, Chen X, Sun Y, et al. Controllable preparation of ZnO hollow microspheres by self-assembled block copolymer. Colloid Surface A 2008, 330: 67–71.
[12]
Zhang L, Zhu Y-J. Microwave-assisted solvothermal synthesis of AlOOH hierarchically nanostructured microspheres and their transformation to γ-Al2O3 with similar morphologies. J Phys Chem C 2008, 112: 16764–16768.
[13]
Ge J, Deng K, Cai W, et al. Effect of structure-directing agents on facile hydrothermal preparation of hierarchical γ-Al2O3 and their adsorption performance toward Cr(VI) and CO2. J Colloid Interface Sci 2013, 401: 34–39.
[14]
Wang Q, Guo J, Jia W, et al. Phase transformation, morphology evolution and luminescence property variation in Y2O3:Eu hollow microspheres. J Alloys Compd 2012, 542: 1–10.
[15]
Li Y, Peng C, Li L, et al. Self-assembled 3D hierarchically structured gamma alumina by hydrothermal method. J Am Ceram Soc 2014, 97: 35–39.
[16]
Liu M, Yang H. Facile synthesis and characterization of macro–mesoporous γ-Al2O3. Colloid Surface A 2010, 371: 126–130.
[17]
Zhang K, Fu Z, Nakayama T, et al. One-pot synthesis of hierarchically macro/mesoporous Al2O3 monoliths from a facile sol–gel process. Mater Res Bull 2011, 46: 2155–2162.
[18]
Bardhan M, Misra T, Chowdhury J, et al. Comparative studies by using spectroscopic tools on the charge transfer (CT) band of a novel synthesized short-chain dyad in isotropic media and in a gel (P123). Chem Phys Lett 2009, 481: 142–148.
[19]
Ricardo NMPS, Ricardo NMPS, Costa FMLL, et al. The effect of n-, s- and t-butanol on the micellization and gelation of Pluronic P123 in aqueous solution. J Colloid Interface Sci 2011, 353: 482–489.
[20]
Wu X, Wang D, Hu Z, et al. Synthesis of γ-AlOOH (γ-Al2O3) self-encapsulated and hollow architectures. Mater Chem Phys 2008, 109: 560–564.
[21]
Liu C, Liu Y, Ma Q, et al. Mesoporous transition alumina with uniform pore structure synthesized by alumisol spray pyrolysis. Chem Eng J 2010, 163: 133–142.
[22]
Li M, Si Z, Wu X, et al. Facile synthesis of hierarchical porous γ-Al2O3 hollow microspheres for water treatment. J Colloid Interface Sci 2014, 417: 369–378.
[23]
Chen XY, Lee SW. pH-Dependent formation of boehmite (γ-AlOOH) nanorods and nanoflakes. Chem Phys Lett 2007, 438: 279–284.
[24]
Bai P, Wu P, Yan Z, et al. Self-assembly of clewlike ZnO superstructures in the presence of copolymer. J Phys Chem C 2007, 111: 9729–9733.
[25]
Gao Y-X, Yu S-H, Cong H, et al. Block-copolymer-controlled growth of CaCO3 microrings. J Phys Chem B 2006, 110: 6432–6436.
[26]
Jørgensen EB, Hvidt S. Effects of salts on the micellization and gelation of a triblock copolymer studied by rheology and light scattering. Macromolecules 1997, 30: 2355–2364.
[27]
Hou H, Xie Y, Yang Q, et al. Preparation and characterization of γ-AlOOH nanotubes and nanorods. Nanotechnology 2005, 16: 741–745.
[28]
Chen XY, Huh HS, Lee SW. Hydrothermal synthesis of boehmite (γ-AlOOH) nanoplatelets and nanowires: pH-controlled morphologies. Nanotechnology 2007, 18: 285608–285612.
[29]
Zhang L, Lu W, Cui R, et al. One-pot template-free synthesis of mesoporous boehmite core–shell and hollow spheres by a simple solvothermal route. Mater Res Bull 2010, 45: 429–436.
[30]
Jiang S, Zhang Z, Qu Y, et al. Activated carbon aerogels with high bimodal porosity for lithium/sulfur batteries. J Solid State Electr 2014, 18: 545–551.
Publication history
Copyright
Acknowledgements
Rights and permissions

Publication history

Received: 23 February 2016
Revised: 22 May 2016
Accepted: 07 June 2016
Published: 21 August 2016
Issue date: September 2016

Copyright

© The author(s) 2016

Acknowledgements

This work was financially supported by National Natural Science Foundation of China (No. 51102289) and State Key Laboratory of Advanced Technology for Materials Synthesis and Processing (Wuhan University of Technology) (No. 2015-KF-15).

Rights and permissions

Open Access The articles published in this journal are distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons. org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Reprints and Permission requests may be sought directly from editorial office.

Return