Stability of n-type doped conducting polymers and consequences for polymeric microelectronic devices

Leeuw, Dago M. de; Simenon, M.M.J.; Brown, Adam R.; Einerhand, R. E. F.

doi:10.1016/s0379-6779(97)80097-5

Cited by 1,374 publications

(476 citation statements)

References 41 publications

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“…HOMO energy levels of the monomers and copolymers were calculated using the formula E HOMO ¼ Àe(E onset þ 4.4) (vs SCE), and LUMO energy levels (E LUMO ) of each was calculated by the subtraction of the optical band gap (E g ) from the HOMO levels. 33 Electrochromic properties of P(CPDT-co-NMPy) film Spectroelectrochemical properties of P(CPDT-co-NMPy) film. Spectroelectrochemistry is a useful method for studying the changes in the absorption spectra and characterizing the electronic structures of conjugated polymers as a function of the applied voltage.…”

Section: Resultsmentioning

confidence: 99%

Electrosynthesis and characterization of a novel electrochromic copolymer of N-methylpyrrole with cyclopenta[2,1-b:3,4-b′]dithiophene

Cheng

Zhao

et al. 2012

Polym J

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Electrochemical copolymerization of N-methylpyrrole (NMPy) and cyclopenta[2,1-b:3,4-b 0 ]dithiophene (CPDT) was performed in acetonitrile containing sodium perchlorate as a supporting electrolyte. Characterization of the resultant copolymer P(CPDTco-NMPy) was performed by cyclic voltammetry, UV-vis spectroscopy, Fourier transform infrared spectroscopy and scanning electron microscopy. The P(CPDT-co-NMPy) film has distinct electrochromic properties and exhibits four different colors (reddish brown, pale khaki, pale sea green and light blue) under various potentials. The maximum contrast (DT%) and response time of the copolymer film at 750 nm were measured as 47.0% and 2.20 s, respectively. An electrochromic device (ECD) based on P(CPDT-co-NMPy) and poly(3,4-ethylenedioxythiophene) was constructed and characterized. The optical contrast (DT%) at 630 nm was found to be 40.2%, and the response time was measured as 1.77 s. The coloration efficiency of the device was calculated to be 476 cm 2 per C at 630 nm. The ECD also has satisfactory optical memories and redox stability.

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Section: Resultsmentioning

confidence: 99%

Electrosynthesis and characterization of a novel electrochromic copolymer of N-methylpyrrole with cyclopenta[2,1-b:3,4-b′]dithiophene

Cheng

Zhao

et al. 2012

Polym J

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“…PEDOT:PSS was spin cast from a water based suspension (Clevios P VP AI 4083) under ambient conditions and dried in an oven at 140°C for 10 min. ZnO was deposited from a precursor solution of zinc acetylacetonate of 20 mg/ml in ethanol (Zn(acac) 2 ), followed by conversion to ZnO at 130°C, yielding layer thicknesses of 15-20 nm. PF10TBT was spin cast from a chloroform solution of 12 mg/ml at various rates to obtain films between 50 and 100 nm.…”

Section: Methodsmentioning

confidence: 99%

“…The use of these metals is necessary to ensure efficient electron injection into the lowest unoccupied molecular orbital (LUMO) of the light emitting polymer due to its low electron affinity of typically 2-3 eV. This low electron affinity of light-emitting polymers intrinsically provides a great challenge for the air stability of the electron injecting contact [2]. Transition metal oxides such as zinc oxide (ZnO) and titanium oxide (TiO x ) have proven to be promising candidates for overcoming this problem.…”

Section: Introductionmentioning

confidence: 99%

All-solution processed polymer light-emitting diodes with air stable metal-oxide electrodes

Bruyn

Moet

Blom

2012

Organic Electronics

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Take-down policy If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. We present an all-solution processed polymer light-emitting diode (PLED) using spincoated zinc oxide (ZnO) and vanadium pentoxide (V 2 O 5 ) as electron and hole injecting contact, respectively. We compare the performance of these devices to the standard PLED design using PEDOT:PSS as anode and Ba/Al as cathode. We show that the all-solution processed PLEDs have an equal performance as compared to the standard design directly after fabrication. However, the ambient stability of the PLEDs with spincoated transition metal oxide electrodes is exceptionally good in comparison to the standard design.

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“…For the oxidation process, the onset potential value corresponds to the highest occupied states in the valence band [56,57] and no charges can be removed from the polymer until the applied potential reaches this value. [58] In the present study, the onset of the oxidation potential was lower for polymers derived from derivatives of diphenylamines.…”

Section: Redox Response Of Polymersmentioning

confidence: 99%

Electrochemical and spectrophotometric properties of polymers based on derivatives of di- and triphenylamines as promising materials for electronic applications

Golba

Starczewska

Idzik

2015

Designed Monomers and Polymers

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Novel phenylamine-substituted derivatives, possessing different photochromic groups, were investigated. The electrochemical activity of the monomers and polymers were studied by usage of the electrochemical and spectroelectrochemical measurements. Heterocyclic side rings influence on the oxidation potential of monomers, decreasing its value below oxidation potential in comparison to parent phenylamine units. The removal of electron is easier for diphenylamine derivatives than for the triphenylamine ones. Electroactivity of monomers allows to polymerize them into macromolecule chains. Triphenylamine-based polymers are more stable as a result of the enlarged conjugated systems. Furthermore, the energy gap value of the final polymer can be reduced by introduction of additional branch into the monomer structure.

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Stability of n-type doped conducting polymers and consequences for polymeric microelectronic devices

Cited by 1,374 publications

References 41 publications

Electrosynthesis and characterization of a novel electrochromic copolymer of N-methylpyrrole with cyclopenta[2,1-b:3,4-b′]dithiophene

Electrosynthesis and characterization of a novel electrochromic copolymer of N-methylpyrrole with cyclopenta[2,1-b:3,4-b′]dithiophene

All-solution processed polymer light-emitting diodes with air stable metal-oxide electrodes

Electrochemical and spectrophotometric properties of polymers based on derivatives of di- and triphenylamines as promising materials for electronic applications

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