One-step, low-temperature deposited perovskite solar cell utilizing small molecule additive

Chun Chao Chen; Zirou Hong; Gang Li; Qi Chen; Huanping Zhou; Yang Yang

doi:10.1117/1.JPE.5.057405

One-step, low-temperature deposited perovskite solar cell utilizing small molecule additive

Chun Chao Chen, Zirou Hong, Gang Li, Qi Chen, Huanping Zhou, Yang Yang

Research output: Journal article publication › Journal article › Academic research › peer-review

34 Citations (Scopus)

Abstract

In the current study, the perovskite absorber (CH3NH3PbI3) is processed via one-step deposition employing the small molecule additive, BmPyPhB, which can be dissolved in dimethylformamide along with precursors. Here, 1,3-Bis[3,5-di(pyridin-3-yl)phenyl]benzene (BmPyPhB) functions as the morphology controller to introduce an intermediate phase during perovskite film growth, which allows well-defined and precrystallized domains formed before the annealing treatment. Furthermore, a chloroform solvent wash procedure is applied afterward to remove BmPyPhB from perovskite without damaging the predetermined morphology. Thus, postannealing as low as 100°C for 5 min can achieve the optimal power conversion efficiency of 8% in a planar-structured inverted solar cell.

Original language	English
Article number	14083SS
Journal	Journal of Photonics for Energy
Volume	5
Issue number	1
DOIs	https://doi.org/10.1117/1.JPE.5.057405
Publication status	Published - 1 Jan 2015
Externally published	Yes

Keywords

low temperature
perovskite
planar solar cell
small molecule additive
solution process

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Renewable Energy, Sustainability and the Environment

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

More information

10.1117/1.JPE.5.057405

Cite this

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abstract = "In the current study, the perovskite absorber (CH3NH3PbI3) is processed via one-step deposition employing the small molecule additive, BmPyPhB, which can be dissolved in dimethylformamide along with precursors. Here, 1,3-Bis[3,5-di(pyridin-3-yl)phenyl]benzene (BmPyPhB) functions as the morphology controller to introduce an intermediate phase during perovskite film growth, which allows well-defined and precrystallized domains formed before the annealing treatment. Furthermore, a chloroform solvent wash procedure is applied afterward to remove BmPyPhB from perovskite without damaging the predetermined morphology. Thus, postannealing as low as 100°C for 5 min can achieve the optimal power conversion efficiency of 8% in a planar-structured inverted solar cell.",

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AU - Chen, Chun Chao

AU - Hong, Zirou

AU - Li, Gang

AU - Chen, Qi

AU - Zhou, Huanping

AU - Yang, Yang

PY - 2015/1/1

Y1 - 2015/1/1

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KW - low temperature

KW - perovskite

KW - planar solar cell

KW - small molecule additive

KW - solution process

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One-step, low-temperature deposited perovskite solar cell utilizing small molecule additive

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

More information

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