Incorporation of γ-butyrolactone (GBL) dramatically lowers the phase transition temperature of formamidinium-based metal halide perovskites

Shuai Ruan, Rong Fan, Narendra Pai, Jianfeng Lu, Nathan A.S. Webster, Yinlan Ruan, Yi-Bing Cheng, Christopher R. McNeill

Research output: Contribution to journalArticleResearchpeer-review

Abstract

We demonstrate that the δ to α phase transition temperature of formamidinium-based perovskites is reduced by ∼50 °C through the incorporation of ∼2 wt% γ-butyrolactone (GBL) into the crystal lattice. The intercalation of GBL is found to expand the unit cell of the δ-phase, reducing the energy barrier for thermal conversion.

Original languageEnglish
Pages (from-to)11743-11746
Number of pages4
JournalChemical Communications
Volume55
Issue number78
DOIs
Publication statusPublished - 7 Oct 2019

Cite this

Ruan, Shuai ; Fan, Rong ; Pai, Narendra ; Lu, Jianfeng ; Webster, Nathan A.S. ; Ruan, Yinlan ; Cheng, Yi-Bing ; McNeill, Christopher R. / Incorporation of γ-butyrolactone (GBL) dramatically lowers the phase transition temperature of formamidinium-based metal halide perovskites. In: Chemical Communications. 2019 ; Vol. 55, No. 78. pp. 11743-11746.
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abstract = "We demonstrate that the δ to α phase transition temperature of formamidinium-based perovskites is reduced by ∼50 °C through the incorporation of ∼2 wt{\%} γ-butyrolactone (GBL) into the crystal lattice. The intercalation of GBL is found to expand the unit cell of the δ-phase, reducing the energy barrier for thermal conversion.",
author = "Shuai Ruan and Rong Fan and Narendra Pai and Jianfeng Lu and Webster, {Nathan A.S.} and Yinlan Ruan and Yi-Bing Cheng and McNeill, {Christopher R.}",
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Incorporation of γ-butyrolactone (GBL) dramatically lowers the phase transition temperature of formamidinium-based metal halide perovskites. / Ruan, Shuai; Fan, Rong; Pai, Narendra; Lu, Jianfeng; Webster, Nathan A.S.; Ruan, Yinlan; Cheng, Yi-Bing; McNeill, Christopher R.

In: Chemical Communications, Vol. 55, No. 78, 07.10.2019, p. 11743-11746.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Ruan, Shuai

AU - Fan, Rong

AU - Pai, Narendra

AU - Lu, Jianfeng

AU - Webster, Nathan A.S.

AU - Ruan, Yinlan

AU - Cheng, Yi-Bing

AU - McNeill, Christopher R.

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AB - We demonstrate that the δ to α phase transition temperature of formamidinium-based perovskites is reduced by ∼50 °C through the incorporation of ∼2 wt% γ-butyrolactone (GBL) into the crystal lattice. The intercalation of GBL is found to expand the unit cell of the δ-phase, reducing the energy barrier for thermal conversion.

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