Artículos de revistas
Synthesis Of Low-density, Carbon-doped, Porous Hexagonal Boron Nitride Solids
Registro en:
Synthesis Of Low-density, Carbon-doped, Porous Hexagonal Boron Nitride Solids. Amer Chemical Soc, v. 9, p. 12088-12095 DEC-2015.
1936-0851
WOS:000367280100057
10.1021/acsnano.5b05847
Autor
Gautam
Chandkiram; Tiwary
Chandra Sekhar; Lose
Sujin; Brunetto
Gustavo; Ozden
Sehmus; Vinod
Soumya; Raghavan
Prasanth; Biradar
Santoshkumar; Galvao
Douglas Soares; Ajayan
Pulickel M.
Institución
Resumen
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Here, we report the scalable synthesis and characterization of low-density, porous, three-dimensional (3D) solids consisting of two-dimensional (2D) hexagonal boron nitride (h-BN) sheets. The structures are synthesized using bottom-up, low-temperature (similar to 300 degrees C), solid-state reaction of melamine and boric acid giving rise to porous and mechanically stable interconnected h-BN layers. A layered 3D structure forms due to the formation of h-BN, and significant improvements in the mechanical properties were observed over a range of temperatures, compared to graphene oxide or reduced graphene oxide foams. A theoretical model based on Density Functional Theory (DFT) is proposed for the formation of h-BN architectures. The material shows excellent, recyclable absorption capacity for oils and organic solvents. 9 12
12088 12095 U.S. Air Force Office of Scientific Research [FA9550-14-1-0268, FA9550-12-1-0035] University Grants Commission, New Delhi, Government of India Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) FAPESP [2013/08293-7]