Optical Fiber Spectro-Electrochemical Flow Cell

Optical Fiber Spectro-Electrochemical Flow Cell

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This is a horizontally mounted, multi-purpose spectroelectrochemical cell designed to be coupled with light sources and spectrometers (UV-Vis, NIR, IR) via optical fibers. It enables obtaining electrochemical and spectroscopic information from liquid sample or thin films in systems where variations in applied potential induce changes in observed spectra. Applied collimating lenses are curved optical lenses that enable parallel irradiation of the sample. Each lens is 5 mm in diameter, has a focal length of 10 mm and wavelength range of 185-2500 nm. The cell consists of a polyether ether ketone (PEEK) flow chamber equipped with a magnetic/screw mount sample holder, a screw mount quartz window holder and two different mini tripods. It well fits aqueous (FKM/EPDM O-Rings) and organic solvent (FFKM O-Rings) electrolyte requirements. The cell is meant to be used with a standard reference electrode having 6 mm in diameter and a counter electrode either in the form of a rod or helix with 6 mm in diameter and 15 mm active length.

Application Note:

Spectroelectrochemical cell is used to study the relation between absorbance/transmittance and electrochemical potential. It enables real-time monitoring of optical change in electrochromic materials. It also enables in-situ spectral acquisition for detection, identification and characterization of short-lived electrochemically-generated species/intermediates, resulting in a detailed investigation of the mechanistic pathways of redox processes.

Specification:

Nominal aperture area:  0.5 cm² for 10x10mm² or 1 cm² for 25x25 mm²
Optical path length (electrolyte thickness): 12 mm
Flow chamber volume: 1.75 mL
Maximum substrate thickness: 4 mm
Electrode plug diameter: 6 mm
Minimum sample size: 10 mm x 10 mm (for 0.5 cm²), 17 mm x 17 mm (for 1 cm²)
Fiber connector: SMA 905, 6.35 mm ferrule
Irradiated spot size: 5 mm in diameter, 19.6 mm² area.

Product Includes

1 x sample mount
1 x flow chamber
1 x quartz window - 0045PQGMA
1 x window/fiber holder - 0047PSSMA
2 x collimating lanes with SMA 905 optical fiber connector – 0048PHYCM
1 x set of screws – 0032PNYCM
1 x plug
1 x Manfrotto PIXI table tripod – 0028PHYCM
1 x XS Bendy Flexible Tripod - 0043PHYCM

Setup Includes:

Spectro-Efc, Sma 905, 1.75 ml - Optical Fiber Spectro-Electrochemical Flow Cell, Sma 905, 1.75 ml, 25 mm X 25 mm, Magnetic Mount, 10 mm X 10 mm, Magnetic, 25 mm X 25 mm, Screw Mount, 10 mm X 10 mm, Screw Mount
Metal Wire Auxiliary Electrode - 35Hx15 0.6/235 mm, Platinum (99,9%), 1 mm Dia. Gold Plated Pin
Silver / Silver Chloride Reference Electrode - Ag/Agcl 30 mm, Non-Aqueous Silver - Ag/Ag+ 30 mm