Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Apostolos Ioakeimidis"'
Autor:
Apostolos Ioakeimidis, Aristeidis Kottaras, Dimitrios Karageorgopoulos, Efstathia Christia, Sotirios Sakkopoulos, Evangelos Vitoratos, Stelios A. Choulis, Ioannis T. Papadas
Publikováno v:
Environmental Sciences Proceedings, Vol 26, Iss 1, p 63 (2023)
The electrical properties of solution-processed spinel nickel cobaltite (NiCo2O4) nanoparticulated-based metal oxide hole transporting layers are investigated using conductivity and Hall effect measurements. The mechanism of electrical conductivity o
Externí odkaz:
https://doaj.org/article/1bf293c0b4a44e7da5b4d7f94d4f9b00
Autor:
Ioannis T. Papadas, Apostolos Ioakeimidis, Ioannis Vamvasakis, Polyvios Eleftheriou, Gerasimos S. Armatas, Stelios A. Choulis
Publikováno v:
Frontiers in Chemistry, Vol 9 (2021)
This study outlines the synthesis and physicochemical characteristics of a solution-processable iron manganite (FeMnO3) nanoparticles via a chemical combustion method using tartaric acid as a fuel whilst demonstrating the performance of this material
Externí odkaz:
https://doaj.org/article/a74fe807c70f46a49f88cb3b18232473
Autor:
Apostolos Ioakeimidis, Ioannis T. Papadas, Eirini D. Koutsouroubi, Gerasimos S. Armatas, Stelios A. Choulis
Publikováno v:
Nanomaterials, Vol 11, Iss 11, p 3074 (2021)
Low temperature solution combustion synthesis emerges as a facile method for the synthesis of functional metal oxides thin films for electronic applications. We study the solution combustion synthesis process of Cu:NiOx using different molar ratios (
Externí odkaz:
https://doaj.org/article/db260364383b4a53b8984acf91c33020
Autor:
Apostolos Ioakeimidis, Ioannis T. Papadas, Dimitris Tsikritzis, Gerasimos S. Armatas, Stella Kennou, Stelios A. Choulis
Publikováno v:
APL Materials, Vol 7, Iss 2, Pp 021101-021101-6 (2019)
A solution combustion synthesized hole transport layer (HTL) of spinel nickel cobaltite (NiCo2O4) incorporating 3% Cu–2% Li was fabricated using the doctor-blading technique for planar inverted perovskite solar cells (PVSCs). PVSCs incorporating 3%
Externí odkaz:
https://doaj.org/article/307f4b852bc0498fa277cb6466816fa5
Autor:
Sergey M. Pozov, Apostolos Ioakeimidis, Ioannis T. Papadas, Chen Sun, Alexandra Z. Chrusou, Donal D. C. Bradley, Stelios A. Choulis
Publikováno v:
Materials, Vol 13, Iss 22, p 5082 (2020)
The performance of solution-processed organic light emitting diodes (OLEDs) is often limited by non-uniform contacts. In this work, we introduce Ni-containing solution-processed metal oxide (MO) interfacial layers inserted between indium tin oxide (I
Externí odkaz:
https://doaj.org/article/180c25fd58574189b20e7b44031a6e01
Autor:
Fedros Galatopoulos, Ioannis T. Papadas, Apostolos Ioakeimidis, Polyvios Eleftheriou, Stelios A. Choulis
Publikováno v:
Nanomaterials, Vol 10, Iss 10, p 1961 (2020)
Inverted perovskite solar cells (PSCs) using a Cu:NiOx hole transporting layer (HTL) often exhibit stability issues and in some cases J/V hysteresis. In this work, we developed a β-alanine surface treatment process on Cu:NiOx HTL that provides J/V h
Externí odkaz:
https://doaj.org/article/d43ef6cf9fe84fd1bcc42111bbe9afab
Publikováno v:
Materials, Vol 13, Iss 15, p 3289 (2020)
We show that the addition of 1% (v/v) nitrobenzene within the perovskite formulation can be used as a method to improve the power conversion efficiency and reliability performance of methylammonium-free (CsFA) inverted perovskite solar cells. The add
Externí odkaz:
https://doaj.org/article/5beba841c3474baeb853a001c9293671
Autor:
Efthymios Georgiou, Apostolos Ioakeimidis, Ioanna Antoniou, Ioannis T. Papadas, Alina Hauser, Michael Rossier, Flavio Linardi, Stelios A. Choulis
Publikováno v:
ACS Applied Electronic Materials. 5:181-188
Indium tin oxide (ITO)-free solution-processed transparent electrodes are an essential component for the low-cost fabrication of organic optoelectronic devices. High-performance silver nanowires (AgNWs) ITO-free inverted organic photovoltaics (OPVs)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e011602b1ee3aa2a6200bd1a5469531f
https://doi.org/10.1021/acsaelm.2c01187
https://doi.org/10.1021/acsaelm.2c01187
Autor:
Kostas Andritsos, Sergey M. Pozov, Ioannis Theodorakos, Apostolos Ioakeimidis, Ayala Kabla, Semyon Melamed, Fernando de la Vega, Stelios A. Choulis, Ioanna Zergioti
Publikováno v:
Laser 3D Manufacturing X.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::697324fc3eefb656e51b509621fd7f4d
https://doi.org/10.1117/12.2648066
https://doi.org/10.1117/12.2648066
Inverted organic photovoltaics (OPVs) allow flexibility on designing a roll-to-roll production process of OPVs, providing technological opportunities. The OPV roll-to-roll production process demands thick and high-performance solution-based hole sele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6e6b3b9d572c34532e874911a9e1d4e
https://hdl.handle.net/20.500.14279/29509
https://hdl.handle.net/20.500.14279/29509
