Evidence map›Paper›PMID 31740761›Full record

ArticleNature chemistry2019

Iron(II) coordination complexes with panchromatic absorption and nanosecond charge-transfer excited state lifetimes.

Jason D Braun, Issiah B Lozada, Charles Kolodziej, Clemens Burda, Kelly M E Newman, Johan van Lierop, Rebecca L Davis, David E Herbert

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Article in Nature chemistry, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

60 citing papers in PubMed.

  1. Synthetic Mechanism of a Fe(II)Inorganic chemistry · 2026
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  17. Enter MnJournal of the American Chemical Society · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Jason D BraunDepartment of Chemistry, University of Manitoba, Winnipeg, Manitoba, Canada.ORCID http://orcid.org/0000-0002-5850-8048
Issiah B LozadaDepartment of Chemistry, University of Manitoba, Winnipeg, Manitoba, Canada.ORCID http://orcid.org/0000-0002-1689-2918
Charles KolodziejDepartment of Chemistry, Case Western Reserve University, Cleveland, OH, USA.
Clemens BurdaDepartment of Chemistry, Case Western Reserve University, Cleveland, OH, USA.
Kelly M E NewmanDepartment of Physics and Astronomy, University of Manitoba, Winnipeg, Manitoba, Canada.
Johan van LieropDepartment of Physics and Astronomy, University of Manitoba, Winnipeg, Manitoba, Canada.ORCID http://orcid.org/0000-0001-9398-4835
Rebecca L DavisDepartment of Chemistry, University of Manitoba, Winnipeg, Manitoba, Canada.
David E HerbertDepartment of Chemistry, University of Manitoba, Winnipeg, Manitoba, Canada. david.herbert@umanitoba.ca.ORCID http://orcid.org/0000-0001-8190-2468

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Replacing current benchmark rare-element photosensitizers with ones based on abundant and low-cost metals such as iron would help facilitate the large-scale implementation of solar energy conversion. To do so, the ability to extend the lifetimes of photogenerated excited states of iron complexes is critical. Here, we present a sensitizer design in which iron(II) centres are supported by frameworks containing benzannulated phenanthridine and quinoline heterocycles paired with amido donors. These complexes exhibit panchromatic absorption and nanosecond charge-transfer excited state lifetimes, enabled by the combination of vacant, energetically accessible heterocycle-based acceptor orbitals and occupied molecular orbitals destabilized by strong mixing between amido nitrogen atoms and iron. This finding shows how ligand design can extend metal-to-ligand charge-transfer-type excited state lifetimes of iron(II) complexes into the nanosecond regime and expand the range of potential applications for iron-based photosensitizers.

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.