TY - JOUR
T1 - Layer-by-Layer Epitaxy of Porphyrin-Ligand Fe(II)-Fe(III) Nanoarchitectures for Advanced Metal-Organic Framework Growth
AU - Wang, Zishu
AU - Qian, Kai
AU - Öner, Murat Anil
AU - Deimel, Peter S.
AU - Wang, Yan
AU - Zhang, Shuai
AU - Zhang, Xiaoxi
AU - Gupta, Vishal
AU - Li, Juan
AU - Gao, Hong Jun
AU - Duncan, David A.
AU - Barth, Johannes V.
AU - Lin, Xiao
AU - Allegretti, Francesco
AU - Du, Shixuan
AU - Palma, Carlos Andres
N1 - Publisher Copyright:
© 2020 American Chemical Society. All rights reserved.
PY - 2020/12/24
Y1 - 2020/12/24
N2 - Precisely layered molecular heterostructures are promising but still largely unexplored materials, with the potential to complement and enhance the scope of two-dimensional heterostructures. The controlled epitaxial growth of vertically stacked molecular layers connected through tailored linkers, can lead to significant development in the field. Here, we demonstrate that sequential assembly of prototypical iron porphyrins and axial ligands can be steered via temperature-programmed desorption, and monitored by mass spectrometry and by high-resolution atomic force microscopy under ultrahigh vacuum conditions. Complementary photoelectron spectroscopy analysis delivers chemical insight into the formation of layer-by-layer nanoarchitectures. Our temperature-directed methodology outlines a promising strategy for the in vacuo fabrication of precisely stacked, multicomponent (metal-organic) molecular heterostructures.
AB - Precisely layered molecular heterostructures are promising but still largely unexplored materials, with the potential to complement and enhance the scope of two-dimensional heterostructures. The controlled epitaxial growth of vertically stacked molecular layers connected through tailored linkers, can lead to significant development in the field. Here, we demonstrate that sequential assembly of prototypical iron porphyrins and axial ligands can be steered via temperature-programmed desorption, and monitored by mass spectrometry and by high-resolution atomic force microscopy under ultrahigh vacuum conditions. Complementary photoelectron spectroscopy analysis delivers chemical insight into the formation of layer-by-layer nanoarchitectures. Our temperature-directed methodology outlines a promising strategy for the in vacuo fabrication of precisely stacked, multicomponent (metal-organic) molecular heterostructures.
KW - bottom-up self-assembly
KW - directed self-assembly
KW - molecular architectures
KW - photoemission
KW - scanning probe microscopy
KW - scanning tunneling microscopy
KW - thermal desorption spectroscopy
KW - three-dimensional atomically-precise fabrication
UR - http://www.scopus.com/inward/record.url?scp=85097950267&partnerID=8YFLogxK
U2 - 10.1021/acsanm.0c02237
DO - 10.1021/acsanm.0c02237
M3 - Article
AN - SCOPUS:85097950267
SN - 2574-0970
VL - 3
SP - 11752
EP - 11759
JO - ACS Applied Nano Materials
JF - ACS Applied Nano Materials
IS - 12
ER -