Determination of energy band diagram and charge carrier mobility of white emitting polymer from optical, electrical and impedance spectroscopy

Sarjidan, Mohd Arif Mohd; Mokhtar, Halim; Majid, W.H. Abd.

doi:10.1016/j.jlumin.2014.11.007

Cited by 9 publications

(4 citation statements)

References 29 publications

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“…The EL spectra indicate that 3PTZ and 3PXZ HTLs are not involved in the emission spectra of PLED, which means that the small molecules solely work as an HTL since these peaks are known to be from the active layer (SPW-111) of PLEDs. 51 The images of white emission of PLEDs with the 3PTZ (3PXZ) HTL are shown in the insets of Fig. 4(e).…”

Section: Resultsmentioning

confidence: 99%

“…The SPW-111 has been widely used as a white emitting polymer or electron-transport layer (ETL) in optical devices because of its optical property and high stability. [42][43][44][45] In addition, SPW-111 can be used alone as an active layer of a PLED without an ETL layer. 44,45 These exhibit that the electron barrier height between the SPW-111 and the 3PTZ (1.05 eV) is higher than that between the SPW-111 and the 3PXZ (0.99 eV).…”

Section: Energy States Analysis Of 3ptz and 3pxzmentioning

confidence: 99%

“…[42][43][44][45] In addition, SPW-111 can be used alone as an active layer of a PLED without an ETL layer. 44,45 These exhibit that the electron barrier height between the SPW-111 and the 3PTZ (1.05 eV) is higher than that between the SPW-111 and the 3PXZ (0.99 eV). The hole barrier height between the 3PTZ and the SPW-111 (0.38 eV) is smaller than that between the 3PXZ and the SPW-111 (0.44 eV).…”

Section: Energy States Analysis Of 3ptz and 3pxzmentioning

confidence: 99%

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3PTZ and 3PXZ small molecular hole-transporting materials in polymer light-emitting diodes

et al. 2023

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Section: Resultsmentioning

confidence: 99%

Section: Energy States Analysis Of 3ptz and 3pxzmentioning

confidence: 99%

Section: Energy States Analysis Of 3ptz and 3pxzmentioning

confidence: 99%

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3PTZ and 3PXZ small molecular hole-transporting materials in polymer light-emitting diodes

et al. 2023

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“…The polymer classes involve poly(phenylene-vinylenes) (super orange "SO," MEH-PPV, "SY"), fluorenes (F8BT, PFO, PIF8-TAA), spirobifluorenes (super blue "SB"), a mix of many copolymerized moieties (super white "SW") or are unknown (super green "SG") (Scheme 1). Eight emitters of this pool, namely SW, [63,64] SB, [63,65] PIF8-TAA, [66][67][68] SG, [63,69,70] F8BT, [63,[71][72][73][74][75][76] SY, [25,49,63,77] MEH-PPV, [78] and SO [79] exhibit a deeper LUMO than −2.55 eV and shallower HOMO than −6.3 eV (Table S7.1 and Figure S7.1, Supporting Information). Hence, they lie within the electrochemical stability window of DNA-CTMA:THABF 4 (Figure 4a).…”

Section: Dna-ctma As a Universal Electrolyte For Arbitrary Emittersmentioning

confidence: 99%

Deoxyribonucleic Acid as a Universal Electrolyte for Bio‐Friendly Light‐Emitting Electrochemical Cells

Tekoglu

Held

Bender

et al. 2020

Advanced Sustainable Systems

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devices will contribute to develop novel medical treatments in the field of optogenetics or bioresorbable implants and assist in the understanding of biological processes. [10,14,15] In the field of electroluminescent devices, organic light-emitting electrochemical cells (LECs) have emerged as a high performance technology with reduced processing complexity and simplified device architecture compared to that of organic light-emitting diodes (OLEDs). [16,17] Furthermore, its single-layer nature comprising an electrolyte:semiconductor mixture renders it particularly well-suited for the implementation of bio-friendly materials. [18][19][20][21] Generally, solid polymer electrolytes (SPEs) have been a key component in the development of current state-of-the-art LECs. [22][23][24][25][26][27] In SPEs, the ion-solvating polymer chain serves as the scaffold medium for mobile ions enabling the dynamic creation of a p-i-n junction. Optimizing parameters, such as i) ionic concentration, ii) electrochemical stability, and iii) phase separation with the emissive materials, is a crucial task for maximizing device performance. [27] Our recent work has demonstrated the use of biodegradable synthetic polymers such as polycaprolactone, poly(lactic-co-glycolic acid), and poly(caprolactone-cotrimethylene carbonate) in the SPE of solution-processed LECs as a route to investigate the parameter space and processing steps necessary to fabricate bio-and eco-friendly devices. [18][19][20][21] In turn, bio-based polymers represent an alternative approach to be In the search for bio and eco-friendly light sources, light-emitting electrochemical cells (LECs) are promising candidates for the implementation of biomaterials in their device architecture thanks to their low fabrication complexity and wide range of potential technological applications. In this work, the use of the DNA derivative DNA-cetyltrimethylammonium (DNA-CTMA) is introduced as the ion-solvating component of the solid polymer electrolyte (SPE) in the active layer of solution-processed LECs. The focus is particularly on the investigation of its electrochemical and ionic conductivity properties demonstrating its suitability for device fabrication and correlation with thin film morphology. Furthermore, upon blending with the commercially available emissive polymer Super Yellow, the structure property relationship between the microstructure and the ionic conductivity is investigated and yields an optimized LEC performance. The large electrochemical stability window of DNA-CTMA enables a stable device performance for a variety of emitters covering the complete visible spectral range, thus highlighting the universal character of this naturally sourced SPE.

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Effect of silver nanoparticles deposited on indium tin oxide by plasma-assisted hot-filament evaporation on phosphorescent organic light-emitting diode performance

Al-Masoodi

Talik

Goh

et al. 2021

Applied Surface Science

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Determination of energy band diagram and charge carrier mobility of white emitting polymer from optical, electrical and impedance spectroscopy

Cited by 9 publications

References 29 publications

3PTZ and 3PXZ small molecular hole-transporting materials in polymer light-emitting diodes

3PTZ and 3PXZ small molecular hole-transporting materials in polymer light-emitting diodes

Deoxyribonucleic Acid as a Universal Electrolyte for Bio‐Friendly Light‐Emitting Electrochemical Cells

Effect of silver nanoparticles deposited on indium tin oxide by plasma-assisted hot-filament evaporation on phosphorescent organic light-emitting diode performance

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