Results 11 to 20 of about 4,035,475 (305)

Charge transport and excited states in organic semiconductors [PDF]

open access: yes, 2011
PhDOrganic semiconductors are of increasing technological interest in applications such as light emitting diodes, field effect transistors, and photovoltaic devices In order to reveal the basic principles behind these organic semiconductors, charge ...
Song, Jingyao
core   +4 more sources

Optimization of PEDOT:PSS layers for hole transporting layers of organic photodetectors

open access: yesAdvances in Printing and Media Technology, 2022
The study focuses on the optimization of PEDOT:PSS ink for the preparation of a hole transport layer. The ink was developed for the spiral bar coating technique and for subsequent organic photodetector preparation. In this study, the effect of various variables such as secondary dopant, surfactant, PEDOT:PSS complex ratio, and ink composition on ...
Syrový, Tomáš   +7 more
openaire   +1 more source

Unraveling the Hole-Transport-Layer-Manipulated Carrier Transfer Dynamics in Perovskite Light-Emitting Diodes

open access: yes, 2022
Charge transfer dynamics is decisive for the performance of perovskite light emitting diodes (PeLEDs), and deep insight into the charge transfer process inside the working device is indispensable. Here, the influence of the hole transport layer on charge
Jian-Xin Tang (1425151)   +7 more
core   +1 more source

Heterostructured Hole Transport Layer for Perovskite Solar Cells

open access: yes, 2022
Herein, the scalable chemical bath deposited NiOx-NiSO4 heterostructured films are reported as the efficient hole transport layers (HTLs) in perovskite solar cells. The NiOx-NiSO4 films show excellent hole extraction ability and reduce interfacial charge
Yang, Shuang   +17 more
core   +1 more source

In-Situ Characterisation of Charge Transport in Organic Light-Emitting Diode by Impedance Spectroscopy

open access: yesElectronic Materials, 2021
The article demonstrates an original, non-destructive technique that could be used to in situ monitor charge transport in organic light-emitting diodes.
Pavel Chulkin
doaj   +1 more source

Hole Transport Materials for Tin-Based Perovskite Solar Cells: Properties, Progress, Prospects

open access: yesMolecules, 2023
The power conversion efficiency of modern perovskite solar cells has surpassed that of commercial photovoltaic technology, showing great potential for commercial applications. However, the current high-performance perovskite solar cells all contain toxic
Xinyao Chen   +6 more
doaj   +1 more source

Investigating the Performance of TIN-Based Perovskite Solar Cell with Zinc Selenide as an ETM and Graphene as an HTM Using SCAPS-1D [PDF]

open access: yesProgress in Physics of Applied Materials
In this study, a numerical analysis was conducted on a Sn-based planner heterojunction perovskite device. Structure of Glass/TCO/ETL/CH3NH3SnI3/HTL/Metal was performed by using the solar cell device simulator SCAPS 1D.
Ijeoma Ukorah   +11 more
doaj   +1 more source

Stimulated triplet–triplet fusion by carrier trap-detrap mechanism in organic light-emitting diodes

open access: yesJournal of Information Display, 2022
Triplet–triplet fusion (TTF) has been an efficiency-enhancing mechanism in fluorescent organic light-emitting diodes (OLEDs) caused by the collision of two triplet excitons.
Kyung Hyung Lee   +8 more
doaj   +1 more source

Tuning Perovskite Surface Polarity via Dipole Moment Engineering for Efficient Hole-Transport-Layer-Free Sn–Pb Mixed-Perovskite Solar Cells

open access: yes, 2023
Post-treatment has been recognized as one of the effective methods for passivating the underlying defects in perovskite solar cells (PSCs), but little attention has been paid to how to pick suitable passivation agents with diverse isomers for efficient ...
Xu Pan (517723)   +15 more
core   +1 more source

Theoretical and Experimental Study of Methyl Ammonium Antimony Iodide-Based Lead-Free Perovskite Solar Cells

open access: yesEnergies, 2022
Methyl ammonium antimony iodide (MA3Sb2I9) perovskite-like materials have gained enormous attention from the scientific community because of their excellent aerobic stability, good optical properties, and less-toxic nature.
Ali Alsalme   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy