[22a-D903-1~13] 12.4 Organic light-emitting devices and organic transistors

11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[22a-D903-8] Effect of MoO₃ deposition on fabrication of top-contact electrodes without noble metals

〇Naoki Koremura¹, Rei Mizoguchi¹, Xu Jin¹, Norio Onojima¹ (1.Univ. of Yamanashi)

Keywords:

non-noble metal electrode,top-contact OFET,XPS

We previously fabricated OFETs using non-noble metal electrodes and deposited MoO₃ at the bottom of the electrodes, and obtained good transistor characteristics equivalent to those of Au electrodes. However, the specific mechanism of the formation of the non-noble metal top contact electrode by MoO₃ deposition was unknown. In this study, the MoO₃ layer was observed using XPS depth analysis, and the penetration of Mo atoms into the active layer and the formation of multiple oxidation levels of Mo atoms were confirmed.