Enhanced electronic interaction between iron phthalocyanine and cobalt single atoms promoting oxygen reduction in alkaline and neutral aluminum-air batteries

Mesoporous Silica/Iron Phthalocyanine Light-Driven Nanomaterials for Efficient Removal of Pb2+ Ions from Wastewater

“…The appearance of these peaks indicates that the −NH 2 in its molecular formula has been laminated. The spectra of mesoporous silica-IP showed peaks at 1335, 1530, and 1615 cm –1 corresponding to the phthalocyanine skeleton structure in the iron phthalocyanine micromotor. , In addition, 891 cm –1 is a characteristic absorption peak of iron ions . The FTIR spectra results show the successful synthesis of mesoporous silica-IP with phthalocyanine framework and iron ions.…”

“…28,33 In addition, 891 cm −1 is a characteristic absorption peak of iron ions. 34 The FTIR spectra results show the successful synthesis of mesoporous silica-IP with phthalocyanine framework and iron ions.…”

Carbon‐Nanotube‐Bridging Strategy for Integrating Single Fe Atoms and NiCo Nanoparticles in a Bifunctional Oxygen Electrocatalyst toward High‐Efficiency and Long‐Life Rechargeable Zinc–Air Batteries

“…As shown in Figure 4a, there is a peak at 416 cm −1 originating from the Fe-O 2 vibration, which demonstrates the adsorption of O 2 on the Fe active centers. [23] After the ORR potential is applied, this peak is annihilated, illustrating that the adsorption of O 2 cannot be the rate-determining step support. The Raman characteristic peak at 591 cm −1 is identified as the in-plane Fe-N 4 stretching vibration of FePc while 685 and 751 cm −1 are related to the displacement of C/N atoms around the Fe center (Fe-N/C).…”

Emerging materials for electrochemical CO2reduction: progress and optimization strategies of carbon-based single-atom catalysts

“…Some metal complexes consisting of metal centers and macrocyclic chelating ligands, such as metal porphyrins and metal phthalocyanines, also have well-defined active centers, and can control the coordination environment by adjusting the coordination structure. 90,91 These molecular catalysts can be adsorbed and immobilized on carbon substrates in a covalent or non-covalent manner, enhancing electrical conductivity while preventing molecular aggregation, thus improving stability and atom utilization and showing exciting CO 2 RR performance. 92,93 For example, Ma and colleagues first synthesized tetra-(4-methoxycarbonyl-phenoxy) nickel phthalocyanine (MeNiPc) and 5,10,15,20-tetrakis(4-methoxycarbonyl-phenyl) nickel porphyrin (MeNiPp) with the same functional groups, and then immersed graphene(G) into MeNiPc and MeNiPp solutions, respectively, and dried them by evaporation to fabricate MeNiPc/G and MeNiPp/G.…”