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765015

Sigma-Aldrich

2,2′-Dimethyl-N,N′-di-[(1-naphthyl)-N,N′-diphenyl]-1,1′-biphenyl-4,4′-diamine

97% (HPLC)

Sinonimo/i:

α-NPD, N,N′-Bis(naphthalen-1-yl)-N,N′-bis(phenyl)-2,2′-dimethylbenzidine

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About This Item

Formula empirica (notazione di Hill):
C46H36N2
Numero CAS:
495416-60-9
Peso molecolare:
616.79
Numero MDL:
MFCD22581298
Codice UNSPSC:
12352103
ID PubChem:
329767146
NACRES:
NA.23

Saggio

97% (HPLC)

Forma fisica

solid

Punto di fusione

247-252 °C

λmax

306 nm in THF

Stringa SMILE

Cc1cc(ccc1-c2ccc(cc2C)N(c3ccccc3)c4cccc5ccccc45)N(c6ccccc6)c7cccc8ccccc78

InChI

1S/C46H36N2/c1-33-31-39(47(37-19-5-3-6-20-37)45-25-13-17-35-15-9-11-23-43(35)45)27-29-41(33)42-30-28-40(32-34(42)2)48(38-21-7-4-8-22-38)46-26-14-18-36-16-10-12-24-44(36)46/h3-32H,1-2H3
ZJFKMIYGRJGWIB-UHFFFAOYSA-N

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Descrizione generale

2,2′-Dimethyl-N,N′-di-[(1-naphthyl)-N,N′-diphenyl]-1,1′-biphenyl-4,4′-diamine (α-NPD) is a conducting polymer that can be used as a hole transporting material (HTM) with a transport gap of ~4 eV and an ionization potential of 5.5 eV.

Applicazioni

α-NPD can be used as a π-conjugated organic semiconducting material which has good charge transporting properties. It can be used in the fabrication of organic electronic devices such organic light emitting diodes (OLEDs) and organic solar cells (OSCs).
This material is used as a high performance host material for OLED devices showing increased device efficiency (maximum luminance efficiency was 4.4 cd/A at 9 V for the fluorescent device and 24.4 cd/A for phosphorescent device).

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

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Determination of charge-carrier transport in organic devices by admittance spectroscopy: Application to hole mobility in alpha-NPD
Nguyen ND, et al.
Physical Review. B, Condensed Matter and Materials Physics, 75(7), 075307-075307 (2007)
Tsai; Y.- S.; et al.
Thin Solid Films, 517, 5338-5338 (2009)
Optical band gaps of organic semiconductor materials
Costa JCS, et al.
Optical Materials, 58(1), 51-60 (2016)
Band alignment at organic-inorganic semiconductor interfaces: alpha-NPD and CuPc on InP (110)
Chasse T, et al.
Journal of Applied Physics, 85(9), 6589-6592 (1999)
Impact of electrode contamination on the alpha-NPD/Au hole injection barrier
Wan A, et al.
Organic Electronics, 6(1), 47-54 (2005)

Articoli

Metal-Organic Complexes for Doping Organic Semiconductors and Surface Doping

The conductivity of organic semiconductors can be increased, and the barriers to charge-carrier injection from other materials can be reduced, by the use of highly reducing or oxidizing species to n- or p-dope, respectively, the semiconductor.

Il team dei nostri ricercatori vanta grande esperienza in tutte le aree della ricerca quali Life Science, scienza dei materiali, sintesi chimica, cromatografia, discipline analitiche, ecc..

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