Photodiode Response in a CH3NH3PbI3/CH3NH3SnI3 Heterojunction

Massimo Spina; László Mihály; Károly Holczer; Bálint Náfrádi; Andrea Pisoni; László Forró; Endre Horváth

doi:10.1021/acsami.6b12392

Photodiode Response in a CH₃NH₃PbI₃/CH₃NH₃SnI₃ Heterojunction

Massimo Spina
, László Mihály
, Károly Holczer
, Bálint Náfrádi
, Andrea Pisoni
, László Forró
, Endre Horváth

Physics and Astronomy

Swiss Federal Institute of Technology Lausanne
University of California at Los Angeles

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

13 Scopus citations

Abstract

Here we report another surprising feature of the methylammonium metal halide material family, the phototunability of the diode response of a heterojunction made of CH₃NH₃PbI₃ and its close relative, CH₃NH₃SnI₃. In the dark state the device behaves as a diode, with the Sn homologue acting as the “p” side. The junction is extremely sensitive to illumination. A complete reversal of the diode polarity, the first observation of its kind, is seen when the junction is exposed to red laser light of 25 mW/cm² or larger power density. This finding opens up the possibility for a novel class of optoelectronic devices.

Original language	English
Pages (from-to)	10198-10202
Number of pages	5
Journal	ACS Applied Materials and Interfaces
Volume	9
Issue number	11
DOIs	https://doi.org/10.1021/acsami.6b12392
State	Published - Mar 22 2017

Keywords

heterojunction
methylammonium metal halide compounds
perovskite
photodetector
photodiode
photovoltaics

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10.1021/acsami.6b12392

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title = "Photodiode Response in a CH3NH3PbI3/CH3NH3SnI3 Heterojunction",

abstract = "Here we report another surprising feature of the methylammonium metal halide material family, the phototunability of the diode response of a heterojunction made of CH3NH3PbI3 and its close relative, CH3NH3SnI3. In the dark state the device behaves as a diode, with the Sn homologue acting as the “p” side. The junction is extremely sensitive to illumination. A complete reversal of the diode polarity, the first observation of its kind, is seen when the junction is exposed to red laser light of 25 mW/cm2 or larger power density. This finding opens up the possibility for a novel class of optoelectronic devices.",

keywords = "heterojunction, methylammonium metal halide compounds, perovskite, photodetector, photodiode, photovoltaics",

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doi = "10.1021/acsami.6b12392",

language = "English",

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T1 - Photodiode Response in a CH3NH3PbI3/CH3NH3SnI3 Heterojunction

AU - Spina, Massimo

AU - Mihály, László

AU - Holczer, Károly

AU - Náfrádi, Bálint

AU - Pisoni, Andrea

AU - Forró, László

AU - Horváth, Endre

PY - 2017/3/22

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N2 - Here we report another surprising feature of the methylammonium metal halide material family, the phototunability of the diode response of a heterojunction made of CH3NH3PbI3 and its close relative, CH3NH3SnI3. In the dark state the device behaves as a diode, with the Sn homologue acting as the “p” side. The junction is extremely sensitive to illumination. A complete reversal of the diode polarity, the first observation of its kind, is seen when the junction is exposed to red laser light of 25 mW/cm2 or larger power density. This finding opens up the possibility for a novel class of optoelectronic devices.

AB - Here we report another surprising feature of the methylammonium metal halide material family, the phototunability of the diode response of a heterojunction made of CH3NH3PbI3 and its close relative, CH3NH3SnI3. In the dark state the device behaves as a diode, with the Sn homologue acting as the “p” side. The junction is extremely sensitive to illumination. A complete reversal of the diode polarity, the first observation of its kind, is seen when the junction is exposed to red laser light of 25 mW/cm2 or larger power density. This finding opens up the possibility for a novel class of optoelectronic devices.

KW - heterojunction

KW - methylammonium metal halide compounds

KW - perovskite

KW - photodetector

KW - photodiode

KW - photovoltaics

UR - https://www.scopus.com/pages/publications/85016083895

U2 - 10.1021/acsami.6b12392

DO - 10.1021/acsami.6b12392

M3 - Article

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AN - SCOPUS:85016083895

SN - 1944-8244

VL - 9

SP - 10198

EP - 10202

JO - ACS Applied Materials and Interfaces

JF - ACS Applied Materials and Interfaces

IS - 11

ER -

Photodiode Response in a CH₃NH₃PbI₃/CH₃NH₃SnI₃ Heterojunction

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Keywords

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