Thermal stability of spherical nanoporous aggregates and formation of hollow structures by sintering-a phase-field study

ACS Nano

Volumn 5, Issue 4, 2011, Pages 2700-2706

  Mukherjee, Rajdip ^a   Chakrabarti, Tamoghna ^a   Anumol, Erumpukuthickal Ashok ^a   Abinandanan, Thennathur Appandairajan ^a   Ravishankar, Narayanan ^a  

^a INDIAN INSTITUTE OF SCIENCE   (India)

Author keywords

grain boundary diffusion; grain boundary mobility; hollow structures; nanoporous; phase field simulation; surface diffusion

Indexed keywords

GRAIN BOUNDARY MOBILITY; GRAIN-BOUNDARY DIFFUSION; HOLLOW STRUCTURES; NANOPOROUS; PHASE FIELD SIMULATION;

AGGREGATES; DIFFUSION IN SOLIDS; GRAIN BOUNDARIES; GRAIN SIZE AND SHAPE; SINTERING; SURFACE DIFFUSION; THERMODYNAMIC STABILITY;

AGGLOMERATION;

EID: 79955370198     PISSN: 19360851     EISSN: 1936086X     Source Type: Journal    
DOI: 10.1021/nn103036q     Document Type: Article

References (20)

1. David, E. B. Self-Assembled, Sub-micrometer Diameter Semipermeable Capsules Angew Chem., Int. Ed. 1999, 38, 2870-2872
2. Mathiowitz, E.; Jacob, J. S.; Jong, Y. S.; Carino, G. P.; Chickering, D. E.; Chaturvedi, P.; Santos, C. A.; Vijayaraghavan, K.; Montgomery, S.; Bassett, M.; et al. Biologically Erodable Microspheres as Potential Oral Drug Delivery Systems Nature 1997, 386, 410-414 (Pubitemid 27154483)
3. Ni, D.; Wang, L.; Sun, Y.; Guan, Z.; Yang, S.; Zhou, K. Amphiphilic Hollow Carbonaceous Microspheres with Permeable Shells Angew Chem. Int. Ed. 2010, 49, 4223-4227
4. 2 Hollow Spheres Assembled by Nano-octahedra Cryst. Growth Des. 2009, 10, 291-295
5. Warren, S. C.; Messina, L. C.; Slaughter, L. S.; Kamperman, M.; Zhou, Q.; Gruner, S. M.; DiSalvo, F. J.; Wiesner, U. Ordered Mesoporous Materials from Metal Nanoparticle-Block Copolymer Self-Assembly Science 2008, 320, 1748-1752 (Pubitemid 351931284)
6. Attard, G. S.; Bartlett, P. N.; Coleman, N. R. B.; Elliott, J. M.; Owen, J. R.; Wang, J. H. Mesoporous Platinum Films from Lyotropic Liquid Crystalline Phases Science 1997, 278, 838-840 (Pubitemid 27467916)
7. Viswanath, B.; Patra, S.; Munichandraiah, N.; Ravishankar, N. Nanoporous Pt with High Surface Area by Reaction-Limited Aggregation of Nanoparticles Langmuir 2009, 25, 3115-3121
8. Shan, Z. W.; Adesso, G.; Cabot, A.; Sherburne, M. P.; Syed Asif, S. A.; Warren, O. L.; Chrzan, D. C.; Minor, A. M.; Alivisatos, A. P. Ultrahigh Stress and Strain in Hierarchically Structured Hollow Nanoparticles Nat. Mater. 2008, 7, 947-952
9. 2(110) Prepared from Micelle-Stabilized Precursors Langmuir 2006, 22, 7873-7880 (Pubitemid 44373467)
10. Santra, A. K.; Goodman, D. Oxide-Supported Metal Clusters: Models for Heterogeneous Catalysts J. Phys. Condens. Mater. 2002, 14, R31-R62
11. 2(110) during CO Oxidation J. Phy. Chem.C 2008, 113, 254-260
12. Anumol, E. A.; Viswanath, B.; Ganesan, P. G.; Shi, Y.; Ramanath, G.; Ravishankar, N. Surface Diffusion Driven Nanoshell Formation by Controlled Sintering of Mesoporous Nanoparticle Aggregates Nanoscale 2010, 2, 1423-1425
13. Binder, K. Monte Carlo Calculation of the Surface Tension for Two- and Three-Dimensional Lattice-Gas Models Phys. Rev. A. 1982, 25, 1699-1709
14. Sahni, P. S.; Grest, G. S.; Anderson, M. P.; Srolovitz, D. J. Kinetics of the Q-State Potts Model in Two Dimensions Phy. Rev. Lett. 1983, 50, 263
15. Cahn, J. W. On Spinodal Decomposition Acta Metall. 1961, 9, 795-801
16. Allen, S. M.; Cahn, J. W. A Microscopic Theory for Antiphase Boundary Motion and Its Application to Antiphase Domain Coarsening Acta Metall. 1979, 27, 1085-1095
17. Gururajan, M. P.; Abinandanan, T. A. Phase Field Study of Precipitate Rafting under a Uniaxial Stress Acta Mater. 2007, 55, 5015-5026 (Pubitemid 47223766)
18. Zhu, J.; Chen, L. Q.; Shen, J.; Tikare, V. Coarsening Kinetics from a Variable-Mobility Cahn-Hilliard Equation: Application of a Semi-implicit Fourier Spectral Method Phys. Rev. E. 1999, 60, 3564-3572 (Pubitemid 129651249)
19. Frigo, M.; Johnson, S. G. Proc. IEEE Int. Conf. Acoustics, Speech, Signal Process. 1998, 3, 1381-1384
20. Hoshen, J.; Kopelman, R. Percolation and Cluster Distribution. I. Cluster Multiple Labeling Technique and Critical Concentration Algorithm Phy. Rev. B 1976, 14, 3438