By 1894, he qualified as a professor, and began researching
aromaticity in
organic chemistry. Through that research he introduced the concept of
photocatalysis in 1911. In 1903, Eibner became assistant to chemist at the newly founded
Research Institute and Information Center for Painting Techniques, promoting the scientific study of the nature and the properties of painting materials. He died on May 1, 1935, in Munich. He is buried at
Alter Südfriedhof cemetery, near his father. == References ==