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Two-Dimensional Growth of Large-Area Conjugated Polymers on Ice Surfaces: High Conductivity and Photoelectrochemical Applications.

08:00 EDT 2nd April 2019 | BioPortfolio

Summary of "Two-Dimensional Growth of Large-Area Conjugated Polymers on Ice Surfaces: High Conductivity and Photoelectrochemical Applications."

Polymerizing monomers on atomically flat solid surface and air/water, solid/liquid or liquid/liquid interface is now a rapidly emerging frontier. Dimension-controlled synthesis of π-conjugated polymers is of particular interest, which can be achieved by precise control of monomer distribution during the polymerization. Ice surface allows rapid polymerization of monomers in the plane direction along air-water interface to yield large-area two-dimensional sheet-like poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (2D sheet-like
PEDOT:
PSS) films with thickness of ca. 30 nm. The persuasive role of ice-chemistry is reflected in high degree of crystallinity and superior conductivity of resultant
PEDOT:
PSS films. Excellent photoelectrochemical (PEC) features were further disclosed when the ice-templated
PEDOT:
PSS films were coupled to quantum dots. Utilization of these polymer films in photovoltaic devices also resulted in excellent current density and power conversion efficiency. This work presents an innovative material technology that goes beyond traditional and ubiquitous inorganic 2D materials such as graphene and MoS2 for integrated electronic applications.

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This article was published in the following journal.

Name: ACS nano
ISSN: 1936-086X
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