| Type | Group | Date | Project | Link | |
| Raman | Joaquin Rodriguez-Lopez | 2026-08-13 14:28 | Automated Redox Titrations via Interdigitated Electrode Arrays | same cell | |
| NMR | Joaquin Rodriguez-Lopez | 2026-08-13 14:27 | Automated Redox Titrations via Interdigitated Electrode Arrays | same cell | |
| FEM | Joaquin Rodriguez-Lopez | 2026-08-13 14:27 | Automated Redox Titrations via Interdigitated Electrode Arrays | same cell |
| Material | Family | Role(s) | Ion |
|
Polypyrrole (PPy)
· Conducting polymer film
Titrated on an interdigitated array electrode in aqueous media
|
Conducting polymer
Other · as named
|
Working electrode, Redox-active species | — |
| PTAP redox-active polymer · PTAP |
Redox-active polymer
Other · as named
|
Redox-active species | Li |
| 0.1 M LiClO4 in anhydrous acetonitrile · Non-aqueous supporting electrolyte |
Nitrile solvent electrolyte
Liquid · as named
|
Electrolyte, Solvent | Li |
|
Ferrocene
· Ferrocene mediator
Redox standard / mediator
|
Redox-active organic
Other
|
Redox-active species | — |
| Ag/AgCl in 1 M KCl · Reference electrode |
Ag/AgCl reference electrode
Other · as named
|
Reference electrode | — |
| 0.1 M phosphate-buffered saline, pH 7.4 · Aqueous buffer |
Aqueous
Liquid
|
Electrolyte | — |
Declared for sample 2025_ZiruiWang_JoaquinRodriguezLopez_ACS.Meas.Sci.Au._5c00128 — shared by every dataset on this sample.
| Visibility | public |
| Electrolyte | PPy ART: 0.2 mM Ruhex in 0.1 M or 0.5 M KCl (aqueous); PTAP ART: 0.5 mM Fc in MeCN with 0.1 M LiClO₄; PPy deposition: 10 mM pyrrole in MeCN with 0.1 M TBAPF₆; PTAP deposition: 1 mM PTO-2NO₂ in MeCN with 0.1 M LiClO₄; Electrode cleaning: 0.1 M PBS (pH 7.4) with 0.1 M KNO₃ |
| Active Material | PPy (polypyrrole, electrodeposited on WE 1) + Ru(NH₃)₆³⁺/²⁺ (Ruhex) redox mediator; PTAP (pyrene-4,5,9,10-tetrone azo polymer, electrodeposited on WE 1) + ferrocene (Fc/Fc⁺) redox mediator |
| Publication Doi | 10.1021/acsmeasuresciau.5c00128 |
| Concentration Mm | 0.2 |
| Institution Code | ESRA |
| Potential Window | PPy: charging 0.3–0.6 V vs Ag/AgCl; titration CV −0.4 to 0.2 V vs Ag/AgCl; PPy electrodeposition: 0 to 1.3 V vs Ag/AgCl; PTAP: charging −1.1 to −2.0 V vs Fc/Fc⁺; electrodeposition −3.0 to 0 V vs Fc/Fc⁺ |
| Measurement Technique | utomated redox titration (ART): (1) baseline CV on WE 2 array; (2) chronoamperometric charging of WE 1 (30 s); (3) titration + post-titration CVs on WE 2 array; (4) baseline subtraction and charge integration; controlled via bipotentiostat + Python (Hard Potato library) + Arduino multiplexer |