Publications

Key Publications

  • Heavy Alkali Treatment of Cu(In,Ga)Se2 Solar Cells: Surface versus Bulk Effects. Susanne Siebentritt, Enrico Avancini, Marcus Bär, Jakob Bombsch, Emilie Bourgeois, Stephan Buecheler, Romain Carron, Celia Castro, Sebastien Duguay, Roberto Félix, Evelyn Handick, Dimitrios Hariskos, Ville Havu, Philip Jackson, Hannu-Pekka Komsa, Thomas Kunze, Maria Malitckaya, Roberto Menozzi, Milos Nesladek, Nicoleta Nicoara, Martti Puska, Mohit Raghuwanshi, Philippe Pareige, Sascha Sadewasser, Giovanna Sozzi, Ayodhya Nath Tiwari, Shigenori Ueda, Arantxa Vilalta-Clemente, Thomas Paul Weiss, Florian Werner, Regan G. Wilks, Wolfram Witte, and Max Hilaire Wolter. Adv. Energy Mater. 2020, 1903752

 

Publications 2021

 

Near surface defects: Cause of deficit between internal and external open-circuit voltage in solar cells. Mohit Sood, Aleksander Urbaniak, Christian Kameni Boumenou, Thomas Paul Weiss, Hossam Elanzeery, Finn Babbe, Florian Werner, Michele Melchiorre, Susanne Siebentritt. Prog Photovolt Res Appl.(2021)

How band tail recombination influences the open-circuit voltage of solar cells. Max Hilaire Wolter, Romain Carron, Enrico Avancini, Benjamin Bissig, Thomas Paul Weiss, Shiro Nishiwaki, Thomas Feurer, Stephan Buecheler, Philip Jackson, Wolfram Witte, Susanne Siebentritt. Prog Photovolt Res Appl. (2021);1–11.

How photoluminescence can predict the efficiency of solar cells. Susanne Siebentritt, Thomas Paul Weiss, Mohit Sood, Max Hilaire Wolter, Alberto Lomuscio and Omar Ramirez. J. Phys. Mater. 4 (2021) 042010

The effect of KF post-deposition treatments on the optoelectronic properties of Cu(In,Ga)Se2 single crystals. Omar Ramírez, Maud Bertrand, Alice Debot, Daniel Siopa, Nathalie Valle, Jörg Schmauch, Michele Melchiorre and Susanne Siebentritt (2021)

Over 15% efficient wide-band-gap Cu(In,Ga)S2 solar cell: Suppressing bulk and interface recombination through composition engineering. Sudhanshu Shukla,  Mohit Sood, Damilola Adeleye, Sean Peedle, Gunnar Kusch, Diana Dahliah, Michele Melchiorre, Gian-Marco Rignanese, Geoffroy Hautier, Rachel Oliver and Susanne Siebentritt. Joule 5, 1–16, July 21,2021  (2021)

Passivating Surface Defects and Reducing Interface Recombination in CuInS2 Solar Cells by a Facile Solution Treatment. Mohit Sood, Alberto Lomuscio, Florian Werner, Aleksandra Nikolaeva, Phillip J. Dale, Michele Melchiorre , Jérôme Guillot, Daniel Abou-Ras, Susanne Siebentritt. DOI: 10.1002/solr.202100078  Sol. RRL 2021, 5, 2100078 (2021)

Understanding performance limitations of Cu(In,Ga)Se2 solar cells due to metastable defects – a route towards higher efficiencies. Thomas Paul Weiss, Florian Ehre, Valentina Serrano-Escalante, Taowen Wang, Susanne Siebentritt. Sol. RRL 2021, 2100063 (2021)

Carrier recombination mechanism and photovoltage deficit in 1.7-eV band gap near-stoichiometric Cu(In,Ga)S2. Sudhanshu Shukla, Damilola Adeleye , Mohit Sood , Florian Ehre, Alberto Lomuscio , Thomas Paul Weiss,
Daniel Siopa, Michele Melchiorre and Susanne Siebentritt. PHYSICAL REVIEW MATERIALS 5, 055403 (2021)

Lifetime, quasi-Fermi level splitting and doping concentration of Cu-rich CuInS2 absorbers. Damilola Adeleye, Alberto Lomuscio, Mohit Sood and Susanne Siebentritt. Mater. Res. Express 8 (2021) 025905

 

 

Publications 2020

 

Phonon coupling and shallow defects in CuInS2. Alberto Lomuscio , Mohit Sood, Michele Melchiorre , and Susanne Siebentritt. PHYSICAL REVIEW B 101, 085119 (2020)

Thin-film (Sb,Bi)2Se3 Semiconducting Layers with Tunable Band Gaps Below 1 eV for Photovoltaic Applications. Thomas Paul Weiss, Panagiota Arnou , Michele Melchiorre , Mael Guennou ,Daniel Siopa, Christian Pauly, Inmaculada Peral Alonso, Philip J. Dale , and Susanne Siebentritt. PHYSICAL REVIEW APPLIED 14, 024014 (2020)

Chemical instability at chalcogenide surfaces impacts  chalcopyrite devices well beyond the surface. Diego Colombara, Hossam Elanzeery, Nicoleta Nicoara, Deepanjan Sharma, Marcel Claro, Torsten Schwarz, Anna Koprek, Max Hilaire Wolter, Michele Melchiorre , Mohit Sood, Nathalie Valle, Oleksandr Bondarchuk , Finn Babbe, Conrad Spindler, Oana Cojocaru-Miredin, Dierk Raabe, Phillip J. Dale, Sascha Sadewasser & Susanne Siebentritt. NATURE COMMUNICATIONS https://doi.org/10.1038/s41467-020-17434-8

On the chemistry of grain boundaries in CuInS2 films. Torsten Schwarz, Alberto Lomuscio, Susanne Siebentritt , Baptiste Gault. Nano Energy 76 (2020) 105081

Absorber composition: A critical parameter for the effectiveness of heat treatments in chalcopyrite solar cells. Mohit Sood, Hossam Elanzeery, Damilola Adeleye, Alberto Lomuscio, Florian Werner, Florian Ehre, Michele Melchiorre, Susanne Siebentritt. Prog Photovolt Res Appl. (2020);1–14.

Ultra-thin passivation layers in cu(in,Ga)Se2 thin-film solar cells: full-area passivated front contacts and their impact on bulk doping. Florian Werner, Boris Veith-Wolf, Michele Melchiorre, Finn Babbe, Jan Schmidt & Susanne Siebentritt. Scientific Reports (2020) 10:7530 doi.org/10.1038/s41598-020-64448-9

Oxidation as Key Mechanism for Efficient Interface Passivation in Cu(In,Ga)Se2 Thin-Film Solar Cells. Florian Werner, Boris Veith-Wolf, Conrad Spindler, Michael R. Barget,Finn Babbe, Jerome Guillot, Jan Schmidt and Susanne Siebentritt. DOI: 10.1103/PhysRevApplied.13.054004. PHYSICAL REVIEW APPLIED 13, 054004 (2020)

Surface characterization of epitaxial Cu-rich CuInSe2 absorbers. Evandro M. Lanzoni, Conrad Spindler, Omar Ramirez, Michele Melchiorre, Susanne Siebentritt, Alex Redinger. 978-1-7281-0494-2/19/ ©2019 IEEE

Heavy Alkali Treatment of Cu(In,Ga)Se2 Solar Cells: Surface versus Bulk Effects. Susanne Siebentritt, Enrico Avancini, Marcus Bär, Jakob Bombsch, Emilie Bourgeois, Stephan Buecheler, Romain Carron, Celia Castro, Sebastien Duguay, Roberto Félix, Evelyn Handick, Dimitrios Hariskos, Ville Havu, Philip Jackson, Hannu-Pekka Komsa, Thomas Kunze, Maria Malitckaya, Roberto Menozzi, Milos Nesladek, Nicoleta Nicoara, Martti Puska, Mohit Raghuwanshi, Philippe Pareige, Sascha Sadewasser, Giovanna Sozzi, Ayodhya Nath Tiwari, Shigenori Ueda, Arantxa Vilalta-Clemente, Thomas Paul Weiss, Florian Werner, Regan G. Wilks, Wolfram Witte, and Max Hilaire Wolter. Adv. Energy Mater. 2020, 1903752

 

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