Results 31 to 40 of about 380,947 (342)

Molecular doping enabled scalable blading of efficient hole-transport-layer-free perovskite solar cells

open access: yesNature Communications, 2018
The existing hole-transporting materials cause problems in the cost and scalability of the perovskite solar cells. Here Wu et al. fabricate high efficiency cells by molecularly doping the perovskite layer without using hole-transporting layers, thus ...
Wu-Qiang Wu   +11 more
doaj   +1 more source

Multilayer bipolar field-effect transistors [PDF]

open access: yes, 2014
Field-effect transistors comprising a layer of regioregular poly(3-hexylthiophene) (rr-P3HT) separated from a parallel layer of the soluble fullerene,[6,6]-phenyl C-61-butyric acid methyl ester (PCBM) by a layer of titanium suboxide (TiOx), are ...
Cho, Shinuk   +5 more
core   +1 more source

Theoretical Performance Analysis of Inverted P3HT: PCBM Based Bulk Hetero-Junction Organic Solar Cells through Simulation

open access: yesAdvances in Materials Science and Engineering, 2023
In this study, the role of active layer thickness, hole transport layer thickness, and electron mobility on the performance of P3HT: PCBM-based inverted organic solar cells has been investigated.
Murad Jemal Husen   +2 more
doaj   +1 more source

Improved efficiency in organic solar cells via conjugated polyelectrolyte additive in the hole transporting layer [PDF]

open access: yes, 2016
An anionic conjugated polyelectrolyte poly[(9,9-bis(4-sulfonatobutyl sodium) fluorene-alt-phenylene)- ran-(4,7-di-2-thienyl-2,1,3-benzothiadiazole-alt-phenylene)] which exhibits good solubility in water was synthesised via Suzuki-cross coupling.
Al-Isaee, S.A.   +6 more
core   +1 more source

Advances in Hole Transport Materials for Layered Casting Solar Cells

open access: yesPolymers, 2023
Huge energy consumption and running out of fossil fuels has led to the advancement of renewable sources of power, including solar, wind, and tide. Among them, solar cells have been well developed with the significant achievement of silicon solar panels, which are popularly used as windows, rooftops, public lights, etc.
Vu Khac Hoang Bui, Thang Phan Nguyen
openaire   +2 more sources

Study of hole-transporter-free perovskite solar cells based on fully printable components [PDF]

open access: yes, 2019
Hole-transporter-free perovskite solar cells carrying a carbon back contact electrode provide the possibility of making full printable low cost and stable devices, even though their efficiency is substantially lower than those made in the standard ...
Lianos, Panagiotis   +3 more
core   +2 more sources

Surface engineering of ZnO nanoparticles with diethylenetriamine for efficient red quantum-dot light-emitting diodes

open access: yesiScience, 2022
Summary: Due to the outstanding electron injection/transport capability of ZnO nanoparticles (NPs), quantum-dot light-emitting diodes (QLEDs) are commonly constructed by employing a hybrid device structure with ZnO electron-transporting layer and organic
Dandan Zhang, Yan-Hua Liu, Lianqing Zhu
doaj   +1 more source

Synthesis of high-T_g hole-transporting polymers with different redox potentials and their performance in organic two-layer LEDs [PDF]

open access: yes, 1998
Organic hole transport materials are used in organic LEDs, where they substantially improve device performance if placed as a hole transport layer (HTL) between the anode and the electroluminescent layer (EL).
Bellmann, Erika   +5 more
core   +1 more source

High-efficiency robust perovskite solar cells on ultrathin flexible substrates. [PDF]

open access: yes, 2016
Wide applications of personal consumer electronics have triggered tremendous need for portable power sources featuring light-weight and mechanical flexibility. Perovskite solar cells offer a compelling combination of low-cost and high device performance.
Chen, Qi   +9 more
core   +2 more sources

Photodeposited polyamorphous CuOx hole-transport layers in organic photovoltaics [PDF]

open access: yes, 2021
Hole-selective charge transport layers are an important part of modern thin-film electronics, serving to direct electron flow and prevent leakage current. Crystalline metal-oxide hole-transport layers (HTLs) such as NiO and CuOx exhibit high performance and stability.
Nicholas Randell   +5 more
openaire   +1 more source

Home - About - Disclaimer - Privacy