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Science

, volume 363 , issue 6427 , pages 627-631

Homogenized halides and alkali cation segregation in alloyed organic-inorganic perovskites

Juan-Pablo Correa-Baena ^{1, 2}

Si Chen ^{3, 4}

Thomas M. Brenner ^{3, 4}

Jordan M Snaider ⁵

Shijing Sun ¹

Xueying Li ^{4, 6}

M A Jensen ¹

Noor Titan Putri Hartono ¹

Lea Nienhaus ¹

Sarah Wieghold ¹

Jeremy R Poindexter ¹

Shen Wang ^{3, 4}

Ying Meng ^{3, 4}

Ti-Hao Wang ⁵

Barry Lai ⁷

Martin V. Holt ⁸

Zhonghou Cai ⁷

Moungi G. Bawendi ¹

Libai Huang ⁵

Tonio Buonassisi ¹

David P Fenning ^{3, 4, 6}

Hide authors affiliations Show authors affiliations: 8 affiliations

Massachusetts Institute of Technology, Cambridge, MA 02139, USA. |

School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA. |

Department of NanoEngineering, University of California, San Diego, La Jolla, CA 92093, USA. |

⁴

Sustainable Power and Energy Center, University of California, San Diego, La Jolla, CA 92093, USA. |

⁵

Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA. |

⁶

Materials Science and Engineering Program, University of California, San Diego, La Jolla, CA 92093, USA. |

⁷

Advanced Photon Source, Argonne National Laboratory, Lemont, IL 60439, USA. |

⁸

Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL 60439, USA. |

Publication type: Journal Article

Publication date: 2019-02-08

American Association for the Advancement of Science (AAAS)

Science

scimago Q1

wos Q1

SJR: 10.416

CiteScore: 48.4

Impact factor: 45.8

ISSN: 00368075, 10959203

DOI: 10.1126/science.aah5065

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PubMed ID: 30733417

Multidisciplinary

Abstract

Advantages of adding just enough alkalis

For organic-inorganic hybrid solar cells, addition of cesium or rubidium cations can improve power conversion efficiency. Correa-Baena et al. used nanoscale x-ray fluorescence imaging to show that the addition of metal cations at low concentrations homogenized the distribution of bromide and iodide anions and also increased charge-carrier lifetimes. However, at high concentrations, aggregation and cluster formation led to increased charge recombination.

Science , this issue p. 627

Found

1 citation

Duarte Vera

19 publications, 183 citations, 5 reviews

h-index: 9

University of Porto

Research interests

Perovskite solar cells

Photoelectrochemistry

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GOST Copy

Correa-Baena J. et al. Homogenized halides and alkali cation segregation in alloyed organic-inorganic perovskites // Science. 2019. Vol. 363. No. 6427. pp. 627-631.

GOST all authors (up to 50) Copy

Correa-Baena J., Chen S., Brenner T. M., Snaider J. M., Sun S., Li X., Jensen M. A., Putri Hartono N. T., Nienhaus L., Wieghold S., Poindexter J. R., Wang S., Meng Y., Wang T., Lai B., Holt M. V., Cai Z., Bawendi M. G., Huang L., Buonassisi T., Fenning D. P. Homogenized halides and alkali cation segregation in alloyed organic-inorganic perovskites // Science. 2019. Vol. 363. No. 6427. pp. 627-631.

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1126/science.aah5065

UR - https://doi.org/10.1126/science.aah5065

TI - Homogenized halides and alkali cation segregation in alloyed organic-inorganic perovskites

T2 - Science

AU - Correa-Baena, Juan-Pablo

AU - Chen, Si

AU - Brenner, Thomas M.

AU - Snaider, Jordan M

AU - Sun, Shijing

AU - Li, Xueying

AU - Jensen, M A

AU - Putri Hartono, Noor Titan

AU - Nienhaus, Lea

AU - Wieghold, Sarah

AU - Poindexter, Jeremy R

AU - Wang, Shen

AU - Meng, Ying

AU - Wang, Ti-Hao

AU - Lai, Barry

AU - Holt, Martin V.

AU - Cai, Zhonghou

AU - Bawendi, Moungi G.

AU - Huang, Libai

AU - Buonassisi, Tonio

AU - Fenning, David P

PY - 2019

DA - 2019/02/08

PB - American Association for the Advancement of Science (AAAS)

SP - 627-631

IS - 6427

VL - 363

PMID - 30733417

SN - 0036-8075

SN - 1095-9203

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2019_Correa-Baena,

author = {Juan-Pablo Correa-Baena and Si Chen and Thomas M. Brenner and Jordan M Snaider and Shijing Sun and Xueying Li and M A Jensen and Noor Titan Putri Hartono and Lea Nienhaus and Sarah Wieghold and Jeremy R Poindexter and Shen Wang and Ying Meng and Ti-Hao Wang and Barry Lai and Martin V. Holt and Zhonghou Cai and Moungi G. Bawendi and Libai Huang and Tonio Buonassisi and David P Fenning},

title = {Homogenized halides and alkali cation segregation in alloyed organic-inorganic perovskites},

journal = {Science},

year = {2019},

volume = {363},

publisher = {American Association for the Advancement of Science (AAAS)},

month = {feb},

url = {https://doi.org/10.1126/science.aah5065},

number = {6427},

pages = {627--631},

doi = {10.1126/science.aah5065}

}

MLA

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MLA Copy

Correa-Baena, Juan-Pablo, et al. “Homogenized halides and alkali cation segregation in alloyed organic-inorganic perovskites.” Science, vol. 363, no. 6427, Feb. 2019, pp. 627-631. https://doi.org/10.1126/science.aah5065.

Publisher

American Association for the Advancement of Science (AAAS)

Journal

Science

scimago Q1

wos Q1

SJR

10.416

CiteScore

48.4

Impact factor

45.8

ISSN

00368075 (Print)

10959203 (Electronic)

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