Results 81 to 90 of about 438,801 (242)

Facile tailoring of the electrical transport in representative hole transport materials by molecular doping

open access: yesRSC Advances, 2018
Hole transport can be facilely tailored by dopants with different HOMO levels as well as distinct mechanisms.
Bixin Li   +3 more
openaire   +3 more sources

Development of Simple Hole-transporting Materials for Perovskite Solar Cells

open access: yes, 2015
Three low-cost propeller-shaped hole-transporting materials based on a triphenylamine core were investigated in perovskite solar cells. Each hole-transporting material was designed with highly modular side-arms, allowing for different bandgaps while ...
Hendsbee, Arthur   +3 more
core   +1 more source

Carbazole Electroactive Amorphous Molecular Material: Molecular Design, Synthesis, Characterization and Application in Perovskite Solar Cells

open access: yesEnergies, 2020
In perovskite photovoltaics (PSCs), the role of the hole transporting material (HTM) is highly important as it significantly influents to the global device’s performance and stability. Hole transporter ensures the extraction of hole at the perovskite/HTM
Diego Magaldi   +5 more
doaj   +1 more source

Caffeine Doped Perovskite Solar Cells without Hole Transporting Material

open access: yesAcademy Journal of Science and Engineering
Perovskite photovoltaics is one of the fastest growing research field in materials science. The effect of caffeine in the absorber structure of the PSCs was studied systematically in this study.
Nicodemus Kure   +5 more
doaj  

Intramolecular and interfacial dynamics of triarylamine-based hole transport materials

open access: yesPhotochemical & Photobiological Sciences, 2018
We present steady-state and time-resolved spectroscopic investigations combined with detailed kinetic modelling for the triarylamine derivatives X60 and PTAA which serve as hole transport materials (HTMs) in perovskite solar cells and represent model compounds for organic electronic materials.
Johannes R, Klein   +3 more
openaire   +2 more sources

An Acetylene-Linked 9,9 '-Bicarbazole-Based Hole-Transporting Material for Efficient Perovskite Solar Cells

open access: yes
A new hole-transporting material (XJ-05) based on a 9,9'-bicarbazole core and four acetylene-linked triphenylamine groups was designed and applied for perovskite solar cells (PSCs).
Yu, Hui-Juan   +6 more
core   +1 more source

SFX as a low-cost ‘Spiro’ Hole-Transport Material for efficient Perovskite Solar Cells

open access: yes, 2016
Four spiro[fluorene-9,9′-xanthene] (SFX) derivatives, SFX-TAD, SFX-TCz, SFX-TPTZ and SFX-MeOTAD have been synthesized for use as hole-transport materials and fully characterized by 1H/13C NMR spectroscopy, mass spectrometry, XRD and DSC.
Maciejczyk, Michal
core   +1 more source

Comparing electron- and hole transporting semiconductors in ion sensitive water- gated transistors [PDF]

open access: yes, 2019
We present a systematic study comparing different solution- processed semiconductors in cation- sensitive water- gated thin film transistors (WGTFTs): A hole transporting semiconducting polymer (rrP3HT), and an electron- transporting precursor- route ...
Al Baroot, A.F., Grell, M.
core   +1 more source

Materials for organic photovoltaics: insights from detailed structural models and molecular simulations

open access: yesEPJ Web of Conferences, 2012
This paper contains a brief discussion of the role of detailed structural and computational studies, within the general field of organic photovoltaics. We review some of our recent work on poly(3-butylthiophene) (P3BT) and on [6,6]phenyl-C61-butyric acid
Po Riccardo   +6 more
doaj   +1 more source

Synthesis and investigation of hole transporting triphenylethene-based materials.

open access: yes, 2023
In the near future, the global energy demand is likely to surpass the capacity of fossil fuel-based energy sources. As a result, there is an increasing emphasis on the use of renewable energy sources and development of technologies that can convert these
Petrulevičius, Julius,
core  

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