Synthesis and characterization of ferrocene-functionalized reduced graphene oxide nanocomposite as a supercapacitor electrode material

2‐[(4‐Aminobutyl)ferrocenylmethylidene]‐5,6‐dimethoxy‐1‐indanone derivatives: Synthesis, characterization, and investigation of electro‐optical properties

“…2,3‐Dihydro‐5,6‐dimethoxy‐1‐indanone is a well‐known starting material in organic chemistry, but few reports are available on the study of optical properties of its derivatives . We previously mentioned some articles that focused on the investigation of electrochemical and optical properties of ferrocenyl derivatives . Because of the interesting properties of Fc as the optically and electrochemically active moiety and because of the prominent property of 2,3‐dihydro‐5,6‐dimethoxy‐1‐indanone in organic synthesis, here we report the preparation of a new ferrocenyl aldehyde bearing a 4‐chlorobutyl side chain.…”

“…[42][43][44] We previously mentioned some articles that focused on the investigation of electrochemical and optical properties of ferrocenyl derivatives. [45][46][47][48][49][50][51][52] Because of the interesting properties of Fc as the optically and electrochemically active moiety and because of the prominent property of 2,3-dihydro-5,6-dimethoxy-1-indanone in organic synthesis, here we report the preparation of a new ferrocenyl aldehyde bearing a 4-chlorobutyl side chain. The synthesized aldehyde was used in the preparation of ferrocenyl derivatives of 2,3-dihydro-5,6-dimethoxy-1-indanone through crossed aldol condensation reaction followed by dehydration of aldol intermediate of the reaction (crotonic condensation).…”

Composites and Copolymers Containing Redox-Active Molecules and Intrinsically Conducting Polymers as Active Masses for Supercapacitor Electrodes—An Introduction

“…Polymers 2020, 12, x FOR PEER REVIEW 9 of 16 polymerization ( Figure 14) [96], yielding a supercapacitor electrode material with 96% capacitance retention after 2000 cycles. 1,10-bis(4-azidobutyl)ferrocene ( Figure 15) has been attached with both acido-functions to reduced GO as a bridging moiety between sheets [97]. The electrode material kept about 80% of its initial capacitance after 2000 cycles.…”

“…A monolayer of (11azidoundecyl)ferrocene ( Figure 16) on carbon has been examined with respect to electron transfer kinetics and possible application in a supercapacitor [101]. 1,10-bis(4-azidobutyl)ferrocene ( Figure 15) has been attached with both acido-functions to reduced GO as a bridging moiety between sheets [97]. The electrode material kept about 80% of its initial capacitance after 2000 cycles.…”

“…Further conducting materials like graphene and reduced graphene, as well as insulating materials like silica, can be functionalized with the redox active species of interest. Reduced graphene oxide functionalized with bis-acidoferrocene has been proposed as an active material for supercapacitor electrodes [96,97]. In an acidic electrode, an electrochemical response somewhere between pseudocapacitive and battery electrode-like with about 80% capacitance retention after 2000 cycles was recorded.…”