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TEM Optical Bulk Liquid Electrochemistry Sample Holder

Operando heating, biasing under environmental conditions

Technical Specs
1405 Series
Total Electrodes
6
Fiber Bandwidth
100 to 2000 nm
True Reference Electrode
Yes
True Counter Electrode
Yes
Counter Electrode Material
User’s choice of material
Electrolytes
Aqueous and a wide range of organic solvents
Spacer Range
100 nm to 5 μm
Heating Capability
Yes
EELS/EDS Compatible
Yes
Instrument Type
TEM

Available For:

Perform light-stimulated electrochemistry inside your TEM with the precision and control of a benchtop electrochemical cell

Key Features and Capabilities

Removable, Swappable Tip and Tubing

Simplify cleaning with removable and upgradeable holder tips that allow user access for full tubing replacement

Biologic SP-200 Potentiostat

Optional add on
Expand the capabilities of the TEM Optical Bulk Liquid Electrochemistry sample holder with the BioLogic SP-200 potentiostat for quantitative in-situ TEM electrochemistry

Integrated Liquid Heating

Optional add on
Add temperature-controlled liquid-phase TEM capabilities with homogeneous heating, precise temperature regulation, and near-drift-free in-situ imaging

60+ In-Stock Liquid-Cell TEM Chip Configurations

Keep experiments moving with in-stock liquid-cell TEM chips designed for electrochemistry, liquid flow, heating, and multimodal microscopy workflows

TEM Safety & Seal Verification

Protect your TEM during liquid-cell experiments and streamline setup with rapid high-vacuum seal checking and optical inspection

Optimized for EELS and EDS

Perform correlative spectroscopy and microscopy for detailed in-situ elemental analysis

Reproducible Screw-Free Liquid-Cell Assembly

Easy, reproducible liquid-cell assembly with self-aligning windows and a screw-free sealing design

Flexible Liquid Cell Operation

Image samples in continuous-flow or static liquid environments using a sealed microfluidic chip assembly

True Bulk Electrochemistry

Perform in-situ liquid-phase electrochemistry that matches benchtop performance

In-situ Light Exposure

Illuminate photoresponsive samples with controlled optical stimulation during in-situ TEM experiments

How it works

The TEM Optical Bulk Liquid Electrochemistry sample holder integrates a sealed microfluidic cell, true bulk reference electrode (RE) and counter electrode (CE) positioned off chip, and a fiber optic feedthrough to allow accurate photo-electrochemical control within the TEM. A real Ag/AgCl RE provides stable reference potentials, while the bulk CE supports consistent current flow, eliminating scan instability and drift common in on-chip 3-electrode systems. Electrolyte flows through the cell while electrochemical cycling is performed on the working electrode under direct nanoscale e-beam observation and stimulation by a light source.

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This architecture decouples electrochemical performance from geometric and material limitations of on-chip microfabricated electrodes, delivering reproducible current–voltage responses with well-defined redox peaks that closely match bulk photo-electroanalytical behavior.