Functional carbon nanotubes for high-quality charge transfer and moisture regulation through membranes: structural and functional insights

Literature Information

Publication Date 2015-04-13
DOI 10.1039/C5CP00750J
Impact Factor 3.676
Authors

Annarosa Gugliuzza, Valentino Pingitore, Domenico Miriello


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Abstract

Functional single walled carbon nanotubes (SWCNTs) are assembled onto porous supports by using layer-by-layer (LBL) approaches. Directed nano-assembly of nanotubes is identified as a crucial factor for controlling the combined functions of hybrid-composite membranes, including charge and moisture transport. In both the cases, donor–acceptor interactions are indicated to be responsible for the rearrangement of nanotubes inside the LBL multilayer and their related properties. Aggregation and stratification of the carbon nanotubes along with the availability of selective-site interactions are complementarily investigated by using SEM, Raman and infrared spectroscopy, while high electrical charge and water vapor transfer are achievable, provided that a large number of connections and competitive interactions are allowed. Ohmic behavior is observed for all types of carbon nanotubes, even if better-quality charge transfer pathways are obtained with carboxylated conductive filaments. Likewise, assisted moisture regulation is succeeded when using functional filaments with the capability to establish competitive H-donor–acceptor interactions with water.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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