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932418

Sigma-Aldrich

Poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine]

Sinónimos:

PTAA, Poly[[(2,4,6-trimethylphenyl)imino][1,1′-biphenyl]-4,4′-diyl]

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About This Item

Fórmula lineal:
(C21H19N)n
Número de CAS:
1333317-99-9
UNSPSC Code:
12352103
NACRES:
NA.23

description

μh ≈ 10-2 to 10−3 cm2 V−1 s−1

Quality Level

100

mol wt

Mw 20,000-100,000 by GPC

solubility

chlorobenzene: soluble
chloroform: soluble
toluene: soluble

λmax

388 nm±5 nm in dichloromethane

fluorescence

λex 414-434 nm in dichloromethane

orbital energy

HOMO 5.3 eV 
LUMO 2.3 eV 

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Application

Poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine], also known as PTAA, is a popular a poly(triaryl amine) semiconductor with a μh around 10-2 to 10−3 cm2 V−1 s−1 that has been explored in efficient hysteresis-free photovoltaics and self-assembled monolayers materials.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Deying Luo et al.
Science (New York, N.Y.), 360(6396), 1442-1446 (2018-06-30)
The highest power conversion efficiencies (PCEs) reported for perovskite solar cells (PSCs) with inverted planar structures are still inferior to those of PSCs with regular structures, mainly because of lower open-circuit voltages (Voc). Here we report a strategy to reduce
Amran Al-Ashouri et al.
Science (New York, N.Y.), 370(6522), 1300-1309 (2020-12-12)
Tandem solar cells that pair silicon with a metal halide perovskite are a promising option for surpassing the single-cell efficiency limit. We report a monolithic perovskite/silicon tandem with a certified power conversion efficiency of 29.15%. The perovskite absorber, with a
Yohan Ko et al.
ACS applied materials & interfaces, 10(14), 11633-11641 (2018-03-21)
Organometallic halide perovskite solar cells (PSCs) have unique photovoltaic properties for use in next-generation solar energy harvesting systems. The highest efficiency of PSCs reached 22.1% on a laboratory scale of <0.1 cm2 device area. Thus, scaling up is the next
Surfactant-controlled ink drying enables high-speed deposition of perovskite films for efficient photovoltaic modules.
Deng Y, et al.
Nature Energy, 3, 560-566 (2018)
Woon Seok Yang et al.
Science (New York, N.Y.), 348(6240), 1234-1237 (2015-05-23)
The band gap of formamidinium lead iodide (FAPbI3) perovskites allows broader absorption of the solar spectrum relative to conventional methylammonium lead iodide (MAPbI3). Because the optoelectronic properties of perovskite films are closely related to film quality, deposition of dense and

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