Polyphthalocyanine

Author: wlsa

August undefined, 2024

WebThe development of oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) catalysts with high performance and excellent stability is meaningful for fuel cells. Herein, two-dimensional closely packed amide polyphthalocyanine iron (CPMPcFe) supported on hierarchical three-dimensional graphene (3D-HG) has been well prepared. WebIn this report, we present a facile synthesis of one such electrocatalyst that is composed of amorphous sulfur-bridged iron polyphthalocyanine (FeSPPc) grown in situ on Cu x O-coated Cu foam. The material is denoted as FeSPPc/Cu x O/CF, where x indicates the non-stoichiometric hybrid valence states of Cu, including its +1 and +2 oxidation states.

Edge-Functionalized Polyphthalocyanine Networks with High …

WebJun 8, 2024 · Herein, we describe a facile strategy to enhance the selectivity and current density by regulating the local electron density of the cobalt site in a series of stable, conjugated, bimetallic Co/Zn polyphthalocyanine frameworks Co x Zn y PPc with an AB stacking model under alkaline aqueous conditions. great lakes maritime academy colleges in usa

Facile preparation and properties of high nitrogen ... - ResearchGate

WebOct 17, 2024 · Carbon-Nanotube-Supported Copper Polyphthalocyanine for Efficient and Selective Electrocatalytic CO 2 Reduction to CO. Dilan Karapinar, Dilan Karapinar. Laboratoire de Chimie des Processus Biologiques, UMR CNRS 8229, Collège de France-CNRS-Sorbonne Université, PSL Research University, ... WebTwo-dimensional transition-metal-containing polyphthalocyanine conjugated porous frameworks are synthesized, and transition-metal (TM) ions ranging from Fe, Co, Ni, Cu to … WebSep 29, 2016 · The past decade has witnessed a rapid surge of interest in the research and development of non-precious metal-based electrocatalysts for the oxygen reduction … great lakes maritime heritage trail

Introducing dual metal centers in high purity pyrrolic-N for superior …

Fully Conjugated Phthalocyanine Copper Metal–Organic Frameworks …

WebSep 1, 2024 · Polyphthalocyanine polymer films are deposited on additive manufactured (AM) 316L steel samples for corrosion protection. Coatings were deposited on the … WebJan 4, 2024 · Recently, Li-CO2 battery has gradually become a research hotspot due to its high discharge capacity, energy density and environmental benefits. However, it has been … great lakes marking productsWebJun 8, 2024 · Compared with the cobalt polyphthalocyanine framework (CoPPc) and zinc polyphthalocyanine framework (ZnPPc), the optimal bimetal electrocatalyst Co 3 Zn 1 PPc exhibits significantly better performance in the conversion of CO 2 to CO with a high partial current density of 212 mA cm −2 and a turnover frequency (TOF) of 28,310 h −1 at −0.9 V ... great lakes marketing research

"WebDec 5, 2014 · Polyphthalocyanine. Graphene. π–π interaction. Oxygen reduction reaction. 1. Introduction. Direct methanol fuel cells (DMFCs), using methanol solution or methanol … " - Polyphthalocyanine

Polyphthalocyanine

WebFeb 7, 2024 · Transition-metal polyphthalocyanine complex is a compound with high relative molecular weight formed by several transition metal phthalocyanine complexes (MPc) through different connection methods. This structure gives it physical and chemical properties that are different from transition-metal phthalocyanine monomers. WebJul 29, 2024 · As the primary electrode active materials for supercapacitors, porous carbons are widely prepared by carbonization-activation methods. Nevertheless, a simple activation procedure by using a single activator is hard to satisfy requirements of electrode materials in organic electrolytes, which can provide a larger voltage window but also demand larger …

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WebApr 1, 2024 · Closely packed planar polyphthalocyanine iron/hierarchical three-dimensional graphene as an oxygen electrocatalyst for ORR, OER, and zinc-air battery Article Jan 2024 WebAug 21, 2024 · Herein, we develop three sp 3-hybridized carbon bridge polyphthalocyanine porous organic frameworks (Pc-POFs) with an enhanced nonlinear absorption effect and …

WebDec 9, 2024 · In this work, we demonstrated fully conjugated polyphthalocyanine copper metal–organic frameworks (PcCu-MOFs) with atomically tunable metal–ligand orbital hybridization for suppressing polyiodide dissolution to … WebAug 1, 2010 · The polyphthalocyanine cobalt molecule is a planar conjugated system made up of delocalized aromatic π-electrons with a delocalized energy lower than its monomer. …

WebDec 21, 2024 · Two-dimensional materials and single-atom catalysts are two frontier research fields in catalysis. A new category of catalysts with the integration of both aspects has been rapidly developed in recent years, and significant advantages were established to make it an independent research field. In this Review, we will focus on the concept of two … WebAug 9, 2024 · Molecular electrocatalysts reducing CO2 to CO with high selectivity and high rate are urgently needed. A cobalt phthalocyanine complex is capable of reducing CO2 to CO in water with a maximum ...

WebMay 18, 2024 · Karapinar, D. et al. Carbon‐nanotube‐supported copper polyphthalocyanine for efficient and selective electrocatalytic CO 2 reduction to CO. ChemSusChem 13, 173–179 (2024).

Web2 days ago · The metal atoms anchored mainly by pyrrolic-N in the catalyst may be due to: (i) the metal atoms are already coordinated to the N of the pyrrole ring in the polyphthalocyanine precursor of the catalyst; (ii) the low temperature of the pyrolysis process reduces the production of other species of N. great lakes massage academyWebIn this report, we present a facile synthesis of one such electrocatalyst that is composed of amorphous sulfur-bridged iron polyphthalocyanine (FeSPPc) grown in situ on Cu x O … great lakes martial arts academyWebJun 16, 2024 · Polyphthalocyanine (PPc) has a typical chemical cross-linking structure and uniformly dispersed metal active sites, but its poor activity and conductivity limit its … great lakes maritime heritage centerWebJul 5, 2024 · Han, N. et al. Supported cobalt polyphthalocyanine for high-performance electrocatalytic CO 2 reduction. Chem 3 , 652–664 (2024). Article CAS Google Scholar great lakes massage clinicWebSep 15, 2024 · The urgent demand for high-energy and high-power energy storage devices initiates considerable interest for Li-O 2 batteries. Considering the catalytic reaction that … great lakes masonry and chimneyWebThe development of oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) catalysts with high performance and excellent stability is meaningful for fuel cells. Herein, … float tube seven bass skullway 170Web聚酞菁polyphthalocyanine，主链由酞菁环构成的一类稠杂环聚合物。 float tubes for fishing accessories