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Merck
CN

923192

Spiro-TTB

greener alternative

≥99% (HPLC)

别名:

2,2′,7,7′- Tetrakis(N,N′-di-p-methylphenylamino)-9,9′-spirobifluorene, 2,2′,7,7′-Tetra(N, N-di-tolyl)amino-spiro-bifluorene, 2,2′,7,7′-Tetra(N,N-di-p-tolyl)amino-9,9-spirobifluorene, 2,2′,7,7′-Tetra(N,N-ditolylL)amino-9,9-spiro-bifluorene, 2,2′,7,7′-Tetrakis(di-p-tolylamino)-9,9′-spirobi[fluorene], 2,2′,7,7′-Tetrakis(di-p-tolylamino)spiro-9,9′-bifluorene, N2,N2,N2′,N2′,N7,N7,N7′,N7′-Octa-p-tolyl-9,9′-spirobi[fluorene]-2,2′,7,7′-tetraamine

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关于此项目

经验公式（希尔记法）:
C81H68N4
化学文摘社编号:
515834-67-0
分子量:
1097.43
UNSPSC Code:
41116105
NACRES:
NA.23
MDL number:
MFCD28968052

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description

Hole Transport Layer, PL:409 nm (in THF)
TGA:> 360 °C (0.5% weight loss)
Tg: 146 °C

assay

≥99% (HPLC)

mol wt

average mol wt 1097.43 g/mol

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

loss

0.5% TGA, >360°C

transition temp

Tg 146 °C

solubility

THF: soluble

λmax

385 nm in THF

orbital energy

HOMO 5.2 eV , LUMO 1.9 eV 

greener alternative category

, Enabling

Quality Level

100

相关类别

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product belongs to enabling category of greener alternatives, and has been enhanced for energy efficiency. Click here for more information.

Application

Spiro-TTB is a high-mobility organic semiconductor with strong donor character given its four substituted arylamine moieties that stabilize positively charged cationic states via mesomeric effects.
It has been successfully applied as transparent hole-transparent layer in solar cells, organic field-effect transistors (OFETs), and organic light emitting devices (OLEDs). In photovoltaics, spiro-TTB was used as organic hole selective layer between perovskite and the silicon cells, contributing to a 25.2% efficency perovskite/ silicon tandem solar cell. When used in OLEDs, spiro-TTB enabled applications in organic photodetectors (OPDs), imaging and lasing applications.
Spiro-TTB is used as a hole transport material in OLED devices, organic photovoltaics (OPVs), organic field-effect transistors (OFETs) and perovskite solar cells. It exhibits excellent hole injection and transport properties, enabling efficient charge transport from the anode to the emitting layers of the OLED structure. This contributes to improved device performance, stability, and overall efficiency.

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKDB0760
MKCW3329
MKCT1600
MKCT5957
MKCS8794

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Hyperbranched Polymers with High Transparency and Inherent High Refractive Index for Application in Organic Light-Emitting Diodes.
Wei Q, et al.
Advances in Functional Materials, 26, 2545-2553 (2016)
Yucheng Liu et al.
Advanced materials (Deerfield Beach, Fla.), 33(8), e2006010-e2006010 (2021-01-22)
Low ionic migration is required for a semiconductor material to realize stable high-performance X-ray detection. In this work, successful controlled incorporation of not only methylammonium (MA+ ) and cesium (Cs+ ) cations, but also bromine (Br- ) anions into the
Spiro-Linked Molecular Hole-Transport Materials for Highly Efficient Inverted Perovskite Solar Cells.
Wang C, et al.
Solar RRL, 4, 1900389-1900389 (2020)
Plasmon-Induced Sub-Bandgap Photodetection with Organic Schottky Diodes.
Hou J L, et al.
Advances in Functional Materials, 26, 5741-5747 (2016)
Comparison of Charge-Carrier Transport in Thin Films of Spiro-Linked Compounds and Their Corresponding Parent Compounds.
Saragi T P I, et al.
Advances in Functional Materials, 16, 966-974 (2006)
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