A soluble conductive chromium coordination polymer with radical ligands and non-integer redox states
- 1Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 123 Bevier Road, Piscataway, New Jersey, 08854
- 2Department of Chemistry
- 3Rutgers University − Newark
Abstract
There are few conductive metal-organic materials that are solution processible or that feature electron-accepting conductive units. Thus, a soluble, semiconductive coordination polymer (1n+)x (n = 1 – 3) was developed by linking CrIII ions with electron-deficient back-to-back bis-terpyridine (btpy) ligands. CrIII promotes reduction of these ligands under mild conditions (starting at −0.16 V vs. Fc+/0), providing the first extended material with btpy•− or btpy2− units. Interestingly, (1n+)x undergoes non-integer redox changes (∣Δn∣ < 1) in DMF solution, representing emergent electronic behavior that leads to a moderately high solid-state conductivity of 3.9 x 10−3 S cm−1 when n = 1.5. These solution-phase/solid-state correlations present a promising way to examine and tune the electronic properties of metal-organic radical materials.
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BibTeX
@misc{mansoor2026soluble,
title = {{A soluble conductive chromium coordination polymer with radical ligands and non-integer redox states}},
author = {Iram F. Mansoor and Arya Patel and Joe K. Bush and Zeyu Cao and Li Ling Goldston and Xiao Luo and Thomas J. Emge and Sanjeeva Murthy and Frieder Jäkle and KiBum Lee and Mark C. Lipke},
howpublished = {ChemRxiv},
year = {2026},
month = oct,
doi = {10.26434/chemrxiv.15010178/v1},
url = {https://chemrxiv.org/doi/full/10.26434/chemrxiv.15010178/v1},
note = {CC BY-NC},
}
RIS
TY - UNPB
TI - A soluble conductive chromium coordination polymer with radical ligands and non-integer redox states
AU - Iram F. Mansoor
AU - Arya Patel
AU - Joe K. Bush
AU - Zeyu Cao
AU - Li Ling Goldston
AU - Xiao Luo
AU - Thomas J. Emge
AU - Sanjeeva Murthy
AU - Frieder Jäkle
AU - KiBum Lee
AU - Mark C. Lipke
PY - 2026
DA - 2026/10/09
PB - ChemRxiv
DO - 10.26434/chemrxiv.15010178/v1
UR - https://chemrxiv.org/doi/full/10.26434/chemrxiv.15010178/v1
AB - There are few conductive metal-organic materials that are solution processible or that feature electron-accepting conductive units. Thus, a soluble, semiconductive coordination polymer (1n+)x (n = 1 – 3) was developed by linking CrIII ions with electron-deficient back-to-back bis-terpyridine (btpy) ligands. CrIII promotes reduction of these ligands under mild conditions (starting at −0.16 V vs. Fc+/0), providing the first extended material with btpy•− or btpy2− units. Interestingly, (1n+)x undergoes non-integer redox changes (∣Δn∣ < 1) in DMF solution, representing emergent electronic behavior that leads to a moderately high solid-state conductivity of 3.9 x 10−3 S cm−1 when n = 1.5. These solution-phase/solid-state correlations present a promising way to examine and tune the electronic properties of metal-organic radical materials.
ER -