One-dimensional excitons in inorganic-organic self-organized quantum-wire crystals [NH2C(I) = NH2]3PbI5 and [CH3SC( = NH2)NH2]3PbI5

Kenichiro Tanaka; Ryuichi Ozawa; Tsutomu Umebayashi; Keisuke Asai; Kazuhiro Ema; Takashi Kondo

doi:10.1016/j.physe.2004.06.056

One-dimensional excitons in inorganic-organic self-organized quantum-wire crystals [NH₂C(I) = NH₂]₃PbI₅ and [CH₃SC( = NH₂)NH₂]₃PbI₅

Kenichiro Tanaka, Ryuichi Ozawa, Tsutomu Umebayashi, Keisuke Asai, Kazuhiro Ema, Takashi Kondo

ENG - Applied Chemistry

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

Optical properties of lead-iodide-based one-dimensional perovskite-type crystals [NH₂C(I) = NH₂]₃PbI₅ and [CH₃SC( = NH₂)NH₂]₃PbI₅ have been investigated theoretically and experimentally. The electronic and excitonic structures are studied based on group theoretical consideration and first-principle band calculation. Strong one-dimensional anisotropy of the optical absorption spectra, large Stokes shifts (∼ 1.0 eV) and huge exchange energies (∼ 70 meV) indicate that the excitons in these crystals are one-dimensional Frenkel excitons.

Original language	English
Pages (from-to)	378-383
Number of pages	6
Journal	Physica E: Low-Dimensional Systems and Nanostructures
Volume	25
Issue number	4
DOIs	https://doi.org/10.1016/j.physe.2004.06.056
Publication status	Published - 2005 Jan

Keywords

Exchange interaction
Excitons
Quantum wire

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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10.1016/j.physe.2004.06.056

Cite this

One-dimensional excitons in inorganic-organic self-organized quantum-wire crystals [NH₂C(I) = NH₂]₃PbI₅ and [CH₃SC( = NH₂)NH₂]₃PbI₅. / Tanaka, Kenichiro; Ozawa, Ryuichi; Umebayashi, Tsutomu; Asai, Keisuke; Ema, Kazuhiro; Kondo, Takashi.

In: Physica E: Low-Dimensional Systems and Nanostructures, Vol. 25, No. 4, 01.2005, p. 378-383.

Research output: Contribution to journal › Article › peer-review

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abstract = "Optical properties of lead-iodide-based one-dimensional perovskite-type crystals [NH2C(I) = NH2]3PbI5 and [CH3SC( = NH2)NH2]3PbI5 have been investigated theoretically and experimentally. The electronic and excitonic structures are studied based on group theoretical consideration and first-principle band calculation. Strong one-dimensional anisotropy of the optical absorption spectra, large Stokes shifts (∼ 1.0 eV) and huge exchange energies (∼ 70 meV) indicate that the excitons in these crystals are one-dimensional Frenkel excitons.",

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author = "Kenichiro Tanaka and Ryuichi Ozawa and Tsutomu Umebayashi and Keisuke Asai and Kazuhiro Ema and Takashi Kondo",

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AU - Tanaka, Kenichiro

AU - Ozawa, Ryuichi

AU - Umebayashi, Tsutomu

AU - Asai, Keisuke

AU - Ema, Kazuhiro

AU - Kondo, Takashi

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AB - Optical properties of lead-iodide-based one-dimensional perovskite-type crystals [NH2C(I) = NH2]3PbI5 and [CH3SC( = NH2)NH2]3PbI5 have been investigated theoretically and experimentally. The electronic and excitonic structures are studied based on group theoretical consideration and first-principle band calculation. Strong one-dimensional anisotropy of the optical absorption spectra, large Stokes shifts (∼ 1.0 eV) and huge exchange energies (∼ 70 meV) indicate that the excitons in these crystals are one-dimensional Frenkel excitons.

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