Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/66103
Title: Facet-selective growth of organic heterostructured architectures via sequential crystallization of structurally complementary π-conjugated molecules
Authors: Lei, Y
Sun, Y
Liao, L
Lee, ST
Wong, WY 
Issue Date: 2017
Source: Nano letters, 2017, v. 17, no. 2, p. 695-701
Abstract: In contrast to those for their polymeric counterparts, the controlled construction of organic heterostructured architectures derived from π-conjugated organic molecules has been rare and remains a great challenge. Herein, we develop a simple single-step solution strategy for the realization of organic heterostructures comprising coronene and perylene. Under a sequential crystallization process, an efficient doping step for coronene and perylene domains enables their perfect lattice matching, which facilitates facet-selective epitaxial growth of perylene domains on both the tips and the side surfaces of the preformed seed microwires by manipulating the growth pathways of the two pairs of materials. The present synthetic route provides a promising platform to investigate the detailed formation mechanism of complex organic heterostructures with specific topological configurations, further directing the construction of more functional heterostructured materials.
Keywords: Facet-selective growth
Organic heterostructured architectures
Sequential crystallization
Structural matching
π-conjugated organic molecules
Publisher: American Chemical Society
Journal: Nano letters 
ISSN: 1530-6984
EISSN: 1530-6992
DOI: 10.1021/acs.nanolett.6b03778
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