title: Synthesis of Layered Double Hydroxide Single-Layer Nanosheets in Formamide.
abstract: Layered double hydroxide (LDH) single-layer nanosheets were synthesized through a single-step process in the presence of formamide. This one-step process is simple, fast, and efficient and thus is potentially viable for large-scale production. Two key factors for the growth of LDH single-layer nanosheets, formamide concentration and LDH layer charge, were investigated thoroughly. A higher formamide concentration and a higher LDH layer charge are favorable for the growth of LDH single-layer nanosheets. The LDH single-layer nanosheets obtained at the premium formamide concentration and LDH layer charge were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), and atomic force micrscopy (AFM). Poly(vinyl alcohol) (PVA)/LDH nanocomposite coatings were also prepared. The coated polyethylene terephthalate (PET) and poly(lactic acid) (PLA) films exhibited significantly improved oxygen gas barrier properties thanks to the well-dispersed and -aligned LDH single-layer nanosheets in the coating.
authors: Jingfang
authors: J
authors: Yu
authors: Jingjing
authors: J
authors: Liu
authors: Department of Chemistry, Texas A&M University , College Station, Texas 77842, United States.
authors: Abraham
authors: A
authors: Clearfield
authors: Department of Chemistry and Biochemistry, Texas State University , San Marcos, Texas 78666, United States.
authors: Johnathan E
authors: JE
authors: Sims
authors: Department of Chemistry and Biochemistry, Texas State University , San Marcos, Texas 78666, United States.
authors: Michael T
authors: MT
authors: Speiegle
authors: Steven L
authors: SL
authors: Suib
authors: Luyi
authors: L
authors: Sun