Photoresponse study of diamond thin film/C₆₀-doped poly(3-dodecylthiophene) heterostructure

Abstract

We have studied the photoresponse of diamond thin film/C 60 -doped poly-(3-dodecylthiophene) heterostructure. The fine grain diamond thin film in the heterostructure was used as a protective photoactive window and also as an anti-reflecting and light-trapping layer due to its chaotically-oriented and well-faceted nano-sized polycrystalline structure. We have obtained a quantum efficiency of 1.8% in the UV region.

Molecular orientation of lead phthalocyanine on (100) oriented single crystal diamond surfaces

“…2 A promising line of research focuses on light harvesting dyes in direct contact with the diamond surface. 6 To improve the obtained organic structures, organic molecular beam deposition (OMBD) offers a higher degree of control over the layers and allows the use of a large variety of molecules and substrates. 4,5 To understand the influence on the charge transfer from the dye to the substrate, a good control of the interface properties between the diamond and organic/organometallic materials is indispensable.…”

“…The earliest report on thin polymer layers, cast from a solution, shows that a high external quantum efficiency can be achieved in the UV region. 6 To improve the obtained organic structures, organic molecular beam deposition (OMBD) offers a higher degree of control over the layers and allows the use of a large variety of molecules and substrates. 7 This technique was used to investigate the interaction of the diamond surface with several small molecules.…”