[Analysis Case] Depth Profile Analysis of Impurities in Organic EL Devices Using SIMS
Evaluate organic EL elements with good depth direction resolution.
To extend the lifespan of organic EL devices, it is essential to evaluate the degradation caused by electromigration, making it important to investigate the diffusion state of electrode metal components into the organic layer. However, whether analyzed directly from the cathode side or through the SSDP method from the anode side, the depth resolution decreases, making it difficult to assess the diffusion from the interface into the organic layer. (Note: SSDP method refers to analysis from the backside. For details on the analytical method, see section B0013.) Therefore, by using special processing to expose the cathode/organic layer interface and the organic layer/anode interface, it has become possible to evaluate the organic layer with high depth resolution.
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MST is a foundation that provides contract analysis services. We possess various analytical instruments such as TEM, SIMS, and XRD to meet your analysis needs. Our knowledgeable sales representatives will propose appropriate analysis plans. We are also available for consultations at your company, of course. We have obtained ISO 9001 and ISO 27001 certifications. Please feel free to consult us for product development, identifying causes of defects, and patent investigations! MST will guide you to solutions for your "troubles"!