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Title: Observation of current rectification by the new bimetallic iron(iii) hydrophobe [Fe III 2(L N4O6)] on Au|LB-molecule|Au devices

Abstract

Targeting the development of stimulus-responsive molecular materials with electronic functionality, we have synthesized and studied the redox and electronic properties of a new bimetallic iron hydrophobe [Fe III 2(L N4O6)] (1). The new H 6L N4O6 ligand displays bicompartmental topology capable of accomodating two five-coordinate HSFe III ions bridged by tetraaminobenzene at a close distance of ca. 8 Å. We show that the metal-based reduction processes in (1) proceed sequentially, as observed for electronically coupled metal centers. This species forms a well-defined Pockels-Langmuir film at the air–water interface, with collapse pressure of 32 mN m -1. Langmuir–Blodgett monolayers were deposited on gold substrates and used to investigate current–voltage (I–V) measurements. This unprecedented bimetallic hydrophobe [Fe III 2(L N4O6)] (1) shows unquestionable molecular rectification and displays a rectification ratio RR between 2 and 15.

Authors:
 [1];  [1];  [1]; ORCiD logo [2];  [3];  [3]; ORCiD logo [4]; ORCiD logo [2]; ORCiD logo [1]
  1. Wayne State Univ., Detroit, MI (United States). Dept. of Chemistry
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division
  3. Wayne State Univ., Detroit, MI (United States). Dept. of Chemical Engineering & Materials Science
  4. Univ. of Idaho, Moscow, ID (United States). Dept. of Chemistry
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Chemical Sciences, Geosciences & Biosciences Division; USDOE
OSTI Identifier:
1487125
Alternate Identifier(s):
OSTI ID: 1470784
Grant/Contract Number:  
[AC02-06CH11357]
Resource Type:
Accepted Manuscript
Journal Name:
Dalton Transactions
Additional Journal Information:
[ Journal Volume: 47; Journal Issue: 40]; Journal ID: ISSN 1477-9226
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Weeraratne, A. D. K. Isuri, Baydoun, Habib, Shakya, Rajendra, Niklas, Jens, Xie, Lingxiao, Mao, Guangzhao, Stoian, Sebastian A., Poluektov, Oleg G., and Verani, Cláudio N. Observation of current rectification by the new bimetallic iron(iii) hydrophobe [FeIII2(LN4O6)] on Au|LB-molecule|Au devices. United States: N. p., 2018. Web. doi:10.1039/c8dt03158d.
Weeraratne, A. D. K. Isuri, Baydoun, Habib, Shakya, Rajendra, Niklas, Jens, Xie, Lingxiao, Mao, Guangzhao, Stoian, Sebastian A., Poluektov, Oleg G., & Verani, Cláudio N. Observation of current rectification by the new bimetallic iron(iii) hydrophobe [FeIII2(LN4O6)] on Au|LB-molecule|Au devices. United States. doi:10.1039/c8dt03158d.
Weeraratne, A. D. K. Isuri, Baydoun, Habib, Shakya, Rajendra, Niklas, Jens, Xie, Lingxiao, Mao, Guangzhao, Stoian, Sebastian A., Poluektov, Oleg G., and Verani, Cláudio N. Mon . "Observation of current rectification by the new bimetallic iron(iii) hydrophobe [FeIII2(LN4O6)] on Au|LB-molecule|Au devices". United States. doi:10.1039/c8dt03158d. https://www.osti.gov/servlets/purl/1487125.
@article{osti_1487125,
title = {Observation of current rectification by the new bimetallic iron(iii) hydrophobe [FeIII2(LN4O6)] on Au|LB-molecule|Au devices},
author = {Weeraratne, A. D. K. Isuri and Baydoun, Habib and Shakya, Rajendra and Niklas, Jens and Xie, Lingxiao and Mao, Guangzhao and Stoian, Sebastian A. and Poluektov, Oleg G. and Verani, Cláudio N.},
abstractNote = {Targeting the development of stimulus-responsive molecular materials with electronic functionality, we have synthesized and studied the redox and electronic properties of a new bimetallic iron hydrophobe [FeIII2(LN4O6)] (1). The new H6LN4O6 ligand displays bicompartmental topology capable of accomodating two five-coordinate HSFeIII ions bridged by tetraaminobenzene at a close distance of ca. 8 Å. We show that the metal-based reduction processes in (1) proceed sequentially, as observed for electronically coupled metal centers. This species forms a well-defined Pockels-Langmuir film at the air–water interface, with collapse pressure of 32 mN m-1. Langmuir–Blodgett monolayers were deposited on gold substrates and used to investigate current–voltage (I–V) measurements. This unprecedented bimetallic hydrophobe [FeIII2(LN4O6)] (1) shows unquestionable molecular rectification and displays a rectification ratio RR between 2 and 15.},
doi = {10.1039/c8dt03158d},
journal = {Dalton Transactions},
number = [40],
volume = [47],
place = {United States},
year = {2018},
month = {9}
}

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    Design of Molecular Scaffolds Based on Unusual Geometries for Magnetic Modulation of Spin-Diverse Complexes with Selective Redox Response
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    • Lanznaster, Maurício; Heeg, Mary Jane; Yee, Gordon T.
    • Inorganic Chemistry, Vol. 46, Issue 1
    • DOI: 10.1021/ic060944a

    Infrared Reflection Spectroscopy of Thin Films on Highly Oriented Pyrolytic Graphite
    journal, December 2003


    Studies of Electronic Coupling and Mixed Valency in Metal−Metal Quadruply Bonded Complexes Linked by Dicarboxylate and Closely Related Ligands
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    • Chisholm, Malcolm H.; Patmore, Nathan J.
    • Accounts of Chemical Research, Vol. 40, Issue 1
    • DOI: 10.1021/ar068100i