[13p-D305-1~16] 9.2 Nanoparticles, Nanowires and Nanosheets

[13p-D305-3] Self-assembled semiconductor nanowire hierarchical nanostructures

〇Guoqiang Zhang^1,2, Kouta Tateno^1,2, Takehiko Tawara^1,2, Hideki Gotoh¹ (1.NTT BRL, 2.NTT NPC)

Keywords:semiconductor, nanowire

Semiconductor-nanowire-based hierarchical nanostructures have attracted much attention due to their potential applications in energy generation devices. However, a general synthesis approach of semiconductor-nanowire-based hierarchical nanostructures with high material purity, high scalability and high controllability still remains challenging. For compound semiconductor nanowires, high material purity can be realized by bottom up self-catalyzed vapor-liquid-solid (VLS) synthesis approach. On the other hand, the self-assembly approach has shown high potential for high scalability and controllability. Here we report self-assembled semiconductor nanowire hierarchical nanostructures realized by a combination of self-catalyzed VLS and self-assembled approaches. This work opens up new opportunities for development of novel applications by semiconductor-nanowire-based hierarchical nanostructures in energy generation and energy efficient device research field.