On-surface synthesis of square-type porphyrin tetramers with central antiaromatic cyclooctatetraene moiety

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F23%3A00570914" target="_blank" >RIV/68378271:_____/23:00570914 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61989592:15310/23:73617262

Výsledek na webu

<a href="https://doi.org/10.1021/jacs.2c10088" target="_blank" >https://doi.org/10.1021/jacs.2c10088</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1021/jacs.2c10088" target="_blank" >10.1021/jacs.2c10088</a>

Jazyk výsledku

angličtina

Název v původním jazyce

On-surface synthesis of square-type porphyrin tetramers with central antiaromatic cyclooctatetraene moiety

Popis výsledku v původním jazyce

The synthesis of two-dimensionally extended polycyclic heteroatomic molecules keeps attracting considerable attention. In particular, frameworks bearing planar cyclooctatetraenes (COT) moieties can display intriguing properties, including antiaromaticity. Here, we present an on-surface chemistry route to square-type porphyrin tetramers with a central COT ring, coexisting with other oligomers. This approach employing temperature-induced dehydrogenative porphyrin homocoupling in an ultrahigh vacuum environment provides access to surface-supported, unsubstituted porphyrin tetramers that are not easily achievable by conventional synthesis means. Specifically, monomeric free-base (2H-P) and Zn-metalated (Zn-P) porphines (P) were employed to form square type free-base and Zn-functionalized tetramers on Ag(100). An atomic level characterization by bond-resolved atomic force microscopy and scanning tunneling microscopy and spectroscopy is provided, identifying the molecular structures.

Název v anglickém jazyce

On-surface synthesis of square-type porphyrin tetramers with central antiaromatic cyclooctatetraene moiety

Popis výsledku anglicky

The synthesis of two-dimensionally extended polycyclic heteroatomic molecules keeps attracting considerable attention. In particular, frameworks bearing planar cyclooctatetraenes (COT) moieties can display intriguing properties, including antiaromaticity. Here, we present an on-surface chemistry route to square-type porphyrin tetramers with a central COT ring, coexisting with other oligomers. This approach employing temperature-induced dehydrogenative porphyrin homocoupling in an ultrahigh vacuum environment provides access to surface-supported, unsubstituted porphyrin tetramers that are not easily achievable by conventional synthesis means. Specifically, monomeric free-base (2H-P) and Zn-metalated (Zn-P) porphines (P) were employed to form square type free-base and Zn-functionalized tetramers on Ag(100). An atomic level characterization by bond-resolved atomic force microscopy and scanning tunneling microscopy and spectroscopy is provided, identifying the molecular structures.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2023

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of the American Chemical Society

ISSN

0002-7863

e-ISSN

1520-5126

Svazek periodika

145

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

11

Strana od-do

967-977

Kód UT WoS článku

000907023500001

EID výsledku v databázi Scopus

2-s2.0-85145473927