Zobrazeno 1 - 10
of 275
pro vyhledávání: '"Choulis, Stelios. A."'
Autor:
Ioakeimidis, Apostolos, Papadas, Ioannis T., Koutsouroubi, Eirini D., Armatas, Gerasimos S., Choulis, Stelios A.
Publikováno v:
Nanomaterials 2021,11(11),3074
Low temperature solution combustion synthesis emerges as a facile method for synthesis of functional metal oxides thin films for electronic applications. We study the solution combustion synthesis process of Cu:NiOx using different molar ratios (w/o,
Externí odkaz:
http://arxiv.org/abs/2112.08067
Autor:
Papadas, Ioannis T., Ioakeimidis, Apostolos, Vamvasakis, Ioannis, Eleftheriou, Polyvios, Armatas, Gerasimos S., Choulis, Stelios A.
Publikováno v:
Front. Chem., 29 September 2021
This study outlines the synthesis and physicochemical characteristics of a solution-processable iron manganite (FeMnO3) nanoparticles via a chemical combustion method using tartartic acid as a fuel and demonstrates the performance of this material as
Externí odkaz:
http://arxiv.org/abs/2112.08057
Autor:
Pozov, Sergey M., Ioakeimidis, Apostolos, Papadas, Ioannis T., Sun, Chen, Chrusou, Alexandra Z., Bradley, Donal D. C., Choulis, Stelios A.
Publikováno v:
Materials, 13(22), 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:
http://arxiv.org/abs/2011.11445
Autor:
Galatopoulos, Fedros, Papadas, Ioannis T., Ioakeimidis, Apostolos, Eleftheriou, Polyvios, Choulis, Stelios A.
Publikováno v:
Nanomaterials 2020, 10(10), 1961
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 \b{eta}-alanine surface treatment process on Cu:NiOx HTL that provides
Externí odkaz:
http://arxiv.org/abs/2010.00966
Publikováno v:
Materials 2020, 13, 3289
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. Additi
Externí odkaz:
http://arxiv.org/abs/2008.12041
Autor:
Papadas, Ioannis T., Galatopoulos, Fedros, Armatas, Gerasimos S., Tessler, Nir, Choulis, Stelios A.
Publikováno v:
Nanomaterials 2019, 9(11), 1616
Solution processed {\gamma}-Fe2O3 nanoparticles via the solvothermal colloidal synthesis in conjunction with ligand-exchange method are used for interface modification of the top electrode in inverted perovskite solar cells. In comparison to more con
Externí odkaz:
http://arxiv.org/abs/1911.06574
Autor:
Georgiou, Efthymios, Papadas, Ioannis T., Antoniou, Ioanna, Oszajca, Marek F., Hartmeier, Benjamin, Rossier, Michael, Luechinger, Norman A., Choulis, Stelios. A.
Publikováno v:
APL Materials 7, 091103 (2019)
We have demonstrated a high-performance low temperature solution processed electron selective contact consisting of 10 at% antimony doped tin oxide (ATO) and the neutral polymer polyethylenimine (PEI). Inverted organic photovoltaics (OPVs) utilizing
Externí odkaz:
http://arxiv.org/abs/1910.04017
Autor:
Ioakeimidis, Apostolos, Papadas, Ioannis T., Tsikritzis, Dimitris, Armatas, Gerasimos S., Kennou, Stella, Choulis, Stelios A.
Publikováno v:
APL Materials 7, 021101,2019
Solution combustion synthesized hole transport layer of co-doped spinel nickel cobaltite were fabricated using doctor-blading technique for planar inverted perovskite solar cells. Perovskite solar cells incorporating Co-doped spinel nickel cobaltite
Externí odkaz:
http://arxiv.org/abs/1906.02432
Publikováno v:
Adv. Mater. Interfaces 2018, 5, 1800280
In this article, the stability of p-i-n perovskite solar cells is studied under accelerated heat lifetime conditions (60 oC ,85oC and N2 atmosphere). By using a combination of buffer layer engineering, impedance spectroscopy and other characterizatio
Externí odkaz:
http://arxiv.org/abs/1906.01988
Autor:
Savva, Achilleas, Papadas, Ioannis T., Tsikritzis, Dimitris, Ioakeimidis, Apostolos, Galatopoulos, Fedros, Kapnisis, Konstantinos, Fuhrer, Roland, Hartmeier, Benjamin, Oszajca, Marek F., Luechinger, Norman A., Kennou, Stella, Armatas, Gerasimos, Choulis, Stelios A.
Publikováno v:
ACS Applied Energy Materials,2,3,2276-2287,2019
We present the functionalization process of a conductive and transparent copper aluminum oxide, copper oxide alloy. The copper aluminum oxide, copper oxide powders were developed by flame spray pyrolysis and their stabilized dispersions were treated
Externí odkaz:
http://arxiv.org/abs/1906.01989