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Carl Zeiss (Shanghai) Management Co., Ltd

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    info.microscopy.cn@zeiss.com

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    13761758023

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In situ electrochemical microscopy technique | High resolution dynamic characterization of electrochemistry in liquid atmosphere
Date: 2023-09-04Read: 0

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As an important supporting discipline for achieving the "dual carbon" goal, electrochemistry plays a crucial role inNew energy, marine science, aerospace, life sciences, and electrocatalysisIt plays a crucial role in the research of high-tech fields. From ZeissWith Super New ChipSince jointly launching the in-situ liquid electrochemical microscopy solution, we have successfully completed in-situ electrochemical characterization of multiple samples.

Innovation Advantage 1: Real Liquidatmospherehigh-resolution imaging

Zeiss in-situ electrochemical solution is based onZeiss Field Emission Scanning Electron MicroscopeExcellent Gemini tube design (Beam Booster technology, non crossing optical path design, composite objective structure), combined with In situNanolabThe 10nm ultra-thin window can achieve real liquidatmosphereHigh resolution SEM imaging of structures below 10nm.

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▲ Electrochemical deposition experiment of lead nitrate solution: Under negative bias, lead ions are reduced to form dispersed lead nanoparticles at positions far from the electrode. Using Zeiss Field Emission Scanning Electron MicroscopeGeminiSEM360 degree shooting.

Innovation Advantage 2: LiquidatmosphereMulti modal comprehensive characterization of samples

Zeiss Field Emission Scanning Electron MicroscopeGeminiSEMThe multiple probes equipped in the series are positioned reasonably and can detect various signals, achieving multi-scale and in-situ multimodal characterization of the region of interest at both macro low magnification and micro high magnification. If usedInLens、 SE2, BSD and other probes simultaneously perform morphological structure and composition contrast imaging, combined with energy spectrum analysis to perform element and composition analysis, obtaining comprehensive information of the sample under in-situ conditions,Characterizing the nanoscale and microscaleEvolution process.

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▲ Electrochemical deposition experiment of lead nitrate solution: Observation of the deposition and growth process of lead particles around the electrode at low magnification, and observation of redBox areaPerform multi-mode imaging and energy spectrum analysis with high-resolution crystallization. Using Zeiss Field Emission Scanning Electron MicroscopeGeminiSEM360 degree shooting.

Innovation Advantage 3: Flexible Expansion Options

The static liquid solution can upgrade the fluid and thermal field coupling module to achieve precise control of the environment and external fields, meeting various scientific research needs.

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▲ Dynamic process of electrochemical deposition of lead nitrate solution: Multiple cycles are set, and lead ions are reduced and grown under negative bias voltage. As the bias voltage increases,Lead beginsdissolution.leftFor macroscopic low magnification imaging images,rightFor local high magnification imaging images, use Zeiss field emission scanning electron microscopyGeminiSEM360 degree shooting.

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▲ HCLO4Solution analysisHydrogen evolution oxygenReaction: Under negative bias, H is generated on the surface of Pt electrode2The bias voltage rises, and O is generated on the electrode surface2The reaction process is irreversible. Using Zeiss Field Emission Scanning Electron MicroscopeGeminiSEM360 degree shooting.

Application fields:Life sciences, new energy, marine science, aerospace, electrocatalysis, metal corrosion prevention, environmental science, etc.

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▲ Zeiss in-situ electrochemical microscopy system