A perfectly oriented, free-standing and transparent titania nanosheet film with the band gap of a monolayer

Keisuke Awaya; Shintaro Ida

doi:10.1039/d0cc04158k

A perfectly oriented, free-standing and transparent titania nanosheet film with the band gap of a monolayer

Chem Commun (Camb). 2020 Aug 25;56(68):9811-9814. doi: 10.1039/d0cc04158k.

Authors

Keisuke Awaya¹, Shintaro Ida¹

Affiliation

¹ Graduate School of Science and Technology Kumamoto University, 2-39-1, Kurokami Chuo-ku, Kumamoto 860-8555, Japan. ida-s@kumamoto-u.ac.jp.

PMID: 32706013
DOI: 10.1039/d0cc04158k

Abstract

A perfectly oriented, free-standing and transparent titania nanosheet film was prepared using the spin-coating technique. The free-standing film (thickness: ∼210 nm) showed a wide band gap that corresponded to that of the monolayer nanosheet despite the stacking of hundreds of layers.