Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Ka Kan Wong"'
Autor:
Eugen Zimmermann, Ka Kan Wong, Tobias Seewald, Julian Kalb, Jonathan Linke, Giso Hahn, Lukas Schmidt-Mende
Publikováno v:
International Journal of Photoenergy, Vol 2022 (2022)
Atmospheric Pressure Spatial Atomic Layer Deposition (AP-SALD) is an upcoming deposition technique suitable for a variety of materials and combines the benefits of a regular atomic layer deposition with a significantly increased deposition rate at am
Externí odkaz:
https://doaj.org/article/b303270c2f924720b27c9163aa163e75
Autor:
Chawloon Thu, Philipp Ehrenreich, Ka Kan Wong, Eugen Zimmermann, James Dorman, Wei Wang, Azhar Fakharuddin, Martin Putnik, Charalampos Drivas, Aimilios Koutsoubelitis, Maria Vasilopoulou, Leonidas C. Palilis, Stella Kennou, Julian Kalb, Thomas Pfadler, Lukas Schmidt-Mende
Publikováno v:
Scientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)
Abstract ZnO is a widely used metal-oxide semiconductor for photovoltaic application. In solar cell heterostructures they not only serve as a charge selective contact, but also act as electron acceptor. Although ZnO offers a suitable interface for ex
Externí odkaz:
https://doaj.org/article/de3a11d041e94e7faa0f58b13c58ba09
Autor:
Eugen Zimmermann, Ka Kan Wong, Michael Müller, Hao Hu, Philipp Ehrenreich, Markus Kohlstädt, Uli Würfel, Simone Mastroianni, Gayathri Mathiazhagan, Andreas Hinsch, Tanaji P. Gujar, Mukundan Thelakkat, Thomas Pfadler, Lukas Schmidt-Mende
Publikováno v:
APL Materials, Vol 4, Iss 9, Pp 091901-091901-7 (2016)
Lead halide perovskite solar cells have shown a tremendous rise in power conversion efficiency with reported record efficiencies of over 20% making this material very promising as a low cost alternative to conventional inorganic solar cells. However,
Externí odkaz:
https://doaj.org/article/2911f2eb6e3641fcb6dcb322bc3f7afa
Autor:
Hao Hu, Ka Kan Wong, Tom Kollek, Fabian Hanusch, Sebastian Polarz, Pablo Docampo, Lukas Schmidt-Mende
Publikováno v:
Molecules, Vol 21, Iss 4, p 542 (2016)
In this work, we describe the role of the different layers in perovskite solar cells to achieve reproducible, ~16% efficient perovskite solar cells. We used a planar device architecture with PEDOT:PSS on the bottom, followed by the perovskite layer a
Externí odkaz:
https://doaj.org/article/827d41906a914ea496d4b75afda3e8c3
Autor:
Ananthakumar Ramadoss, Ka Kan Wong, Nilimapriyadarsini Swain, Ankita Mohanty, Kirubavathi K, Selvaraju K, Lukas Schmidt Mende
Publikováno v:
Energy & Fuels. 36:11194-11204
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb258823ded9cc3c2561fae848190a05
https://doi.org/10.1021/acs.energyfuels.2c01336
https://doi.org/10.1021/acs.energyfuels.2c01336
Autor:
Carola Ebenhoch, Kaiying Wang, Ka Kan Wong, Muhammad Nadeem Akram, Eugen Zimmermann, Zhaoke Zheng, Lukas Schmidt-Mende, Julian Kalb, Azhar Fakharuddin, Asmat Nawaz
Publikováno v:
Solar Energy. 170:541-548
High performance in perovskite solar cells is often achieved using compact metal oxide layers or their mesoporous analogues. One dimensional scaffold materials such as nanorods or nanotubes are also employed in order to improve charge collection, how
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::820f221546d647189eb3897ccf4440f3
https://doi.org/10.1016/j.solener.2018.05.092
https://doi.org/10.1016/j.solener.2018.05.092
Autor:
Susanne T. Birkhold, Pius T. Höger, Andreas Baumann, Hao Hu, Lukas Schmidt-Mende, Ka Kan Wong, Philipp Rieder
Publikováno v:
The Journal of Physical Chemistry C. 122:12140-12147
Despite the intense research effort on metal halide perovskites, the fundamental correlation between the crystal structure and optoelectronic properties remains unclear. As many intriguing phenomena are expected to be based on the dipolar character o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a023552c7b60501fc1cf600b2bf972f
https://doi.org/10.1021/acs.jpcc.8b00631
https://doi.org/10.1021/acs.jpcc.8b00631
Autor:
Ka Kan Wong, Lukas Schmidt-Mende, Philipp Ehrenreich, Richard H. Friend, Azhar Fakharuddin, Thomas Deckert, Mojtaba Abdi-Jalebi
Publikováno v:
The Journal of Physical Chemistry C. 122:10691-10698
Interfacial engineering has shown to play an essential role to optimize recombination losses in perovskite solar cells; however, an in-depth understanding of the various loss mechanisms is still underway. Herein, we study the charge transfer process
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d29dec8ee80ea8139ebe8eac39a9df1
https://doi.org/10.1021/acs.jpcc.8b00998
https://doi.org/10.1021/acs.jpcc.8b00998
Autor:
M. Nadeem Akram, Ceylan Zafer, Sajad Hussain, Burak Gultekin, Asmat Nawaz, Kaiying Wang, Ali Koray Erdinc, Muhammad Tayyib, Lukas Schmidt-Mende, Ka Kan Wong, Azhar Fakharuddin
Publikováno v:
Journal of Materials Science: Materials in Electronics. 28:15630-15636
The remarkable performance in perovskite solar cells over the past few years primarily stemmed from an improvement in perovskite film composition and morphology. Antisolvent treatment of perovskite films is one such widely adopted method where a solv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::331df8b4f5e2feb03cc31c7c4975aa5d
https://doi.org/10.1007/s10854-017-7451-z
https://doi.org/10.1007/s10854-017-7451-z
Autor:
Lukas Schmidt-Mende, Rajan Jose, Ka Kan Wong, Azhar Fakharuddin, Qamar Wali, Saifful Kamaluddin Muzakir, Nurul Ain Manshor
Publikováno v:
Physical Chemistry Chemical Physics. 18:21629-21639
Despite the high efficiency of over 21% reported for emerging thin film perovskite solar cells, one of the key issues prior to their commercial deployment is to attain their long term stability under ambient and outdoor conditions. The instability in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c50e53b3d65414fea23923ba98fe885
https://doi.org/10.1039/c6cp03600g
https://doi.org/10.1039/c6cp03600g