C8-BTBT

2,7-Dioctyl[1]benzothieno[3,2-b][1]benzothiophene

C30H40S2

Organic Polymer

HTL, SM, SC

CBP

4,4′-Bis(N-carbazolyl)-1,1′-biphenyl

C36H24N2

Organic

HTL, EML, HIL

CuPc

Copper(II) phthalocyanine

C32H16CuN8

Organic

HTL, HIL, SC

DNTPD

N4,N4′-Bis[4-[bis(3-methylphenyl)amino]phenyl]-N4,N4′-diphenyl-[1,1′-biphenyl]-4,4′-diamine

C64H54N4

Organic

HTL, HIL

FeCl₃

Iron(III) chloride

FeCl3

Inorganic

HTL

m-MTDATA

4,4′,4′′-Tris[phenyl(m-tolyl)amino]triphenylamine

C57H48N4

Organic

HTL, HIL

mCP

1,3-Bis(N-carbazolyl)benzene

C30H20N2

Organic

HTL

NPB

N,N′-Di(1-naphthyl)-N,N′-diphenyl-(1,1′-biphenyl)-4,4′-diamine

C44H32N2

Organic

HTL, HIL

• Derivatives:
• α-NPD

PEDOT:PSS

Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)

Organic Co-polymer

HTL, HIL, COND

QUPD

N4,N4' -Bis(4-(6-((3-ethyloxetan-3-yl)methoxy)hexyloxy)phenyl)-N4,N4' -bis(4-methoxyphenyl)biphenyl-4,4'-diamine

C62H76N2O8

Organic

HTL

spiro-TAD

2,2′,7,7′-Tetrakis(N,N-diphenylamino)-9,9-spirobifluorene

C73H52N4

Organic

HTL

• Derivatives:
• spiro-MeOTAD

TCNQ

7,7,8,8-Tetracyanoquinodimethane

C12H4N4

Organic Polymer

HTL, HIL, SM, SC

• Derivatives:
• F4-TCNQ

TCTA

Tris(4-carbazoyl-9-ylphenyl)amine

C54H36N4

Organic

HTL, HIL

TFB

Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(4,4′-(N-(4-sec-butylphenyl)diphenylamine)]

(C51 H61 N)n

Organic Polymer

HTL, HIL

TIPS pentacene

6,13-Bis(triisopropylsilylethynyl)pentacene

C44H54Si2

Organic Polymer

HTL, SM, SC

TPD

N,N′-Bis(3-methylphenyl)-N,N′-diphenylbenzidine

C38H32N2

Organic

HTL, HIL

• Derivatives:
• MeO-TPD

ZnPc

Zinc phthalocyanine

C32H16N8Zn

Organic

HTL, SM, SC