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Merck
CN
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文件

安全信息

904899

Sigma-Aldrich

Spiro[9H-fluorene-9,9′-[9H]xanthene]-2,7-diamine

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别名:
N,N,N′,N′-tetrakis(4-methoxyphenyl)spiro[fluorene-9,9′-xanthene]-2,7-diamine, X59
经验公式（希尔记法）:
C53H42N2O5
CAS号:
2095034-97-0
分子量:
786.91
UNSPSC代码:
12352116
NACRES:
NA.23

描述

Band gap: Eg = 3.05 eV (lit)
Hole Mobility: 5.5 x 10-5 cm2/Vs (lit)

检测方案

≥98%

形式

powder

颜色

yellow

电导率

1.9 x 10-4 S/cm (lit)

轨道能量

HOMO -5.15 eV 
LUMO -2.10 eV 

相关类别

一般描述

Spiro[9H-fluorene-9,9′-[9H]xanthene]-2,7-diamine (X59) is a hole transporting material (HTM), which has a spiro[fluorene-9,9′-xanthene] as a core component. It can be synthesized by Buchwald-Hartwig reaction. It shows a power conversion efficiency (PCE) of 19.8%.

应用

X59 can be used in the formation of hole transporting layer (HTL) for the fabrication of polymeric solar cells (PSCs) and perovskite solar cells.
X59 is a new hole transporting material (HTM) with spiro[fluorene-9,9′-xanthene] as the core moiety. An impressive power conversion efficiency (PCE) of 19.8% was achieved by using X59 as HTM in perovskite solar cell, which can compete with the record PCE by using the state-of-the-art-HTM Spiro-OMeTAD. The X59-based devices show negligible hysteresis and reasonable stability in dark and dry conditions at room temperature for over five weeks.

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

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Strategy to modulate the pi-bridged units in bis (4-methoxyphenyl) amine-based hole-transporting materials for improvement of perovskite solar cell performance.
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Journal of Material Chemistry C, 6(25), 6816-6822 (2018)
Facile synthesized organic hole transporting material for perovskite solar cell with efficiency of 19.8%
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Nano Energy, 23, 138-144 (2016)
Rational design of bis(4-methoxyphenyl)amine-based molecules with different p-bridges as hole-transporting materials for efficient perovskite solar cells
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Highly efficient and stable planar CsPbI2Br perovskite solar cell with a new sensitive-dopant-free hole transport layer obtained via an effective surface passivation.
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