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Femtosecond Spectroscopy of Organic Electronic Materials

  • We investigate what happens on the ultrashort time scale and ultrasmall length scale in organic and hybrid materials in order to induce macroscopic function in electronic devices, and how this can be optimized. 
  • We use a complementary palette of techniques combining time-resolved spectroscopy, pulsed photocurrent methods, terahertz experiments, Stark-effect spectroscopy and device testing. 

For a list of publications, please see: 

Researcher ID: N-7142-2015

Google Scholar: https://scholar.google.com/citations?user=7anWMaQAAAAJ&hl=en

or: https://banerji.dcb.unibe.ch/publications/

 

 

Publications recorded in BORIS (Bern Open Repository and Information System): 

Journal Article

Brauer, Jan; Tsokkou, Dimitra; Sanchez, Sandy; Droseros, Nikolaos; Roose, Bart; Mosconi, Edoardo; Hua, Xiao; Stolterfoht, Martin; Neher, Dieter; Steiner, Ullrich; De Angelis, Filippo; Abate, Antonio; Banerji, Natalie (2020). Comparing the excited-state properties of a mixed-cation–mixed-halide perovskite to methylammonium lead iodide. The journal of chemical physics, 152(10), p. 104703. American Institute of Physics AIP 10.1063/1.5133021

Strobel, Noah; Droseros, Nikolaos; Köntges, Wolfgang; Seiberlich, Mervin; Pietsch, Manuel; Schlisske, Stefan; Lindheimer, Felix; Schröder, Rasmus R.; Lemmer, Uli; Pfannmöller, Martin; Banerji, Natalie; Hernandez‐Sosa, Gerardo (2020). Color‐Selective Printed Organic Photodiodes for Filterless Multichannel Visible Light Communication. Advanced materials, 32(12), e1908258. Wiley-VCH 10.1002/adma.201908258

Zhong, Yufei; Causa', Martina; Moore, Gareth John; Krauspe, Philipp; Xiao, Bo; Günther, Florian; Kublitski, Jonas; Shivhare, Rishi; Benduhn, Johannes; BarOr, Eyal; Mukherjee, Subhrangsu; Yallum, Kaila M.; Réhault, Julien; Mannsfeld, Stefan C. B.; Neher, Dieter; Richter, Lee J.; DeLongchamp, Dean M.; Ortmann, Frank; Vandewal, Koen; Zhou, Erjun; ... (2020). Sub-picosecond charge-transfer at near-zero driving force in polymer:non-fullerene acceptor blends and bilayers. Nature Communications, 11(1) Springer Nature 10.1038/s41467-020-14549-w

Droseros, Nikolaos; Tsokkou, Dimitra; Banerji, Natalie (2020). Photophysics of Methylammonium Lead Tribromide Perovskite: Free Carriers, Excitons, and Sub‐Bandgap States. Advanced energy materials, 10(13), p. 1903258. Wiley 10.1002/aenm.201903258

Tsokkou, Dimitra; Peterhans, Lisa; Cao, David Xi; Mai, Cheng‐Kang; Bazan, Guillermo C.; Nguyen, Thuc‐Quyen; Banerji, Natalie (2020). Excited State Dynamics of a Self‐Doped Conjugated Polyelectrolyte. Advanced functional materials, 30(9), p. 1906148. Wiley-VCH 10.1002/adfm.201906148

Krauspe, Philipp; Banerji, Natalie; Réhault, Julien (2020). Effective detection of weak terahertz pulses in electro-optic sampling at kilohertz repetition rate. Journal of the Optical Society of America. B - optical physics, 37(1), pp. 127-132. Optical Society of America 10.1364/JOSAB.37.000127

Moore, Gareth John; Causa', Martina; Martinez Hardigree, Josue F.; Karuthedath, Safakath; Ramirez, Ivan R.; Jungbluth, Anna; Laquai, Frédéric; Riede, Moritz K.; Banerji, Natalie (2020). Ultrafast Charge Dynamics in Dilute-Donor versus Highly Intermixed TAPC:C60 Organic Solar Cell Blends. The journal of physical chemistry letters(11), pp. 5610-5617. American Chemical Society 10.1021/acs.jpclett.0c01495

Dänekamp, Benedikt; Droseros, Nikolaos; Tsokkou, Demetra; Brehm, Verena; Boix, Pablo P.; Sessolo, Michele; Bolink, Henk J.; Banerji, Natalie (2019). Influence of hole transport material ionization energy on the performance of perovskite solar cells. Journal of materials chemistry C, 7(3), pp. 523-527. Royal Society of Chemistry 10.1039/c8tc05372c

Droseros, Nikolaos; Dänekamp, Benedikt; Tsokkou, Dimitra; Boix, Pablo P.; Banerji, Natalie (2019). Charge injection and trapping at perovskite interfaces with organic hole transporting materials of different ionization energies. APL materials, 7(4), 041115. American Institute of Physics 10.1063/1.5086692

Ruscello, Marta; Sarkar, Tanmoy; Levitsky, Artem; Matrone, Giovanni Maria; Droseros, Nikolaos; Schlisske, Stefan; Sachs, Eleni; Reiser, Patrick; Mankel, Eric; Kowalsky, Wolfgang; Banerji, Natalie; Stingelin, Natalie; Frey, Gitti L.; Hernandez-Sosa, Gerardo (2019). Nanocomposite of nickel oxide nanoparticles and polyethylene oxide as printable hole transport layer for organic solar cells. Sustainable energy & fuels, 3(6), pp. 1418-1426. Royal Society of Chemistry 10.1039/C9SE00216B

Krauspe, Philipp Jonathan; Tsokkou, Demetra; Causa, Martina; Buchaca-Domingo, Ester; Fei, Zhuping; Heeney, Martin; Stingelin, Natalie; Banerji, Natalie (2018). Terahertz short-range mobilities in neat and intermixed regions of polymer:fullerene blends with controlled phase morphology. Journal of materials chemistry. A, 6(44), pp. 22301-22309. Royal Society of Chemistry 10.1039/C8TA08061E

Dänekamp, Benedikt; Droseros, Nikolaos; Palazon, Francisco; Sessolo, Michele; Banerji, Natalie; Bolink, Henk J. (2018). Efficient Photo- and Electroluminescence by Trap States Passivation in Vacuum-Deposited Hybrid Perovskite Thin Films. ACS applied materials & interfaces, 10(42), pp. 36187-36193. American Chemical Society 10.1021/acsami.8b13100

Droseros, Nikolaos; Longo, Giulia; Brauer, Jan C.; Sessolo, Michele; Bolink, Henk J.; Banerji, Natalie (2018). Origin of the Enhanced Photoluminescence Quantum Yield in MAPbBr 3 Perovskite with Reduced Crystal Size. ACS energy letters, 3(6), pp. 1458-1466. American Chemical Society 10.1021/acsenergylett.8b00475

Ramirez, Ivan; Causa, Martina; Zhong, Yufei; Banerji, Natalie; Riede, Moritz (2018). Key Tradeoffs Limiting the Performance of Organic Photovoltaics. Advanced energy materials, 8(28), p. 1703551. Wiley 10.1002/aenm.201703551

Causa, Martina; Ramirez, Ivan; Martinez Hardigree, Josue F.; Riede, Moritz; Banerji, Natalie (2018). Femtosecond Dynamics of Photoexcited C 60 Films. The journal of physical chemistry letters, 9(8), pp. 1885-1892. American Chemical Society 10.1021/acs.jpclett.8b00520

Peterhans, Lisa; Alloa, Elisa; Sheima, Yauhen; Vannay, Laurent; Leclerc, Mario; Corminboeuf, Clemence; Hayes, Sophia C.; Banerji, Natalie (2017). Salt-induced thermochromism of a conjugated polyelectrolyte. Physical Chemistry Chemical Physics, 19(42), pp. 28853-28866. Royal Society of Chemistry 10.1039/C7CP02734F

Wörner, Hans Jakob; Arrell, Christopher A.; Banerji, Natalie; Cannizzo, Andrea; Chergui, Majed; Das, Akshaya K.; Hamm, Peter; Keller, Ursula; Kraus, Peter M.; Liberatore, Elisa; Lopez-Tarifa, Pablo; Lucchini, Matteo; Meuwly, Markus; Milne, Chris; Moser, Jacques-E.; Rothlisberger, Ursula; Smolentsev, Grigory; Teuscher, Joël; van Bokhoven, Jeroen A. and Wenger, Oliver (2017). Charge migration and charge transfer in molecular systems. Structural dynamics, 4(6), 061508. AIP Publishing 10.1063/1.4996505

Dataset

Moore, Gareth John; Causa', Martina; Martinez Hardigree, Josue F.; Karuthedath, Safakath; Ramirez, Ivan; Jungbluth, Anna; Laquai, Frédéric; Riede, Moritz; Banerji, Natalie (2020). Data related to manuscript [‘Ultrafast Charge Dynamics in Dilute-Donor versus Highly Intermixed TAPC:C60 Organic Solar Cell Blends, J. Phys. Chem. Lett. 2020, https://pubs.acs.org/doi/10.1021/acs.jpclett.0c01495] [Dataset]. In: The Journal of Physical Chemistry Letters. American Chemical Society

Brauer, Jan; Tsokkou, Dimitra; Sanchez, Sandy; Droseros, Nikolaos; Roose, Bart; Mosconi, Edoardo; Hua, Xiao; Stolterfoht, Martin; Neher, Dieter; Steiner, Ullrich; De Angelis, Filippo; Abate, Antonio; Banerji, Natalie (2020). Comparing the Excited-State Properties of a Mixed-Cation- Mixed-Halide Perovskite to Methylammonium Lead Iodide [Dataset].

Strobel, Noah; Droseros, Nikolaos; Köntges, Wolfgang; Seiberlich, Mervin; Pietsch, Manuel; Schlisske, Stefan; Lindheimer, Felix; Schröder, Rasmus R.; Lemmer, Uli; Pfannmöller, Martin; Banerji, Natalie; Hernandez‐Sosa, Gerardo (2020). Color‐Selective Printed Organic Photodiodes for Filterless Multichannel Visible Light Communication [Dataset]. Wiley

Zhong, Yufei; Causa', Martina; Moore, Gareth John; Krauspe, Philipp Jonathan; Xiao, Bo; Günther, Florian; Kublitski, Jonas; Shivhare, Rishi Ramdas; Benduhn, Johannes; BarOr, Eyal; Mukherjee, Subhrangsu; Yallum, Kaila Morgan; Réhault, Julien Emile; Mannsfeld, Stefan C. B.; Neher, Dieter; Richter, Lee J.; DeLongchamp, Dean M.; Ortmann, Frank; Vandewal, Koen; Zhou, Erjun; ... (2020). Data related to "Sub-picosecond charge-transfer at near-zero driving force in polymer:non-fullerene acceptor blends and bilayers", Nature Communications (2020), DOI 10.1038/s41467-020-14549-w [Dataset].

Tsokkou, Dimitra; Peterhans, Lisa Anna; Xi Cao, David; Mai, Cheng‐Kang; Bazan, Guillermo C.; Nguyen, Thuc‐Quyen; Banerji, Natalie (2019). Excited State Dynamics of a Self‐Doped Conjugated Polyelectrolyte [Dataset].

Krauspe, Philipp Jonathan; Banerji, Natalie; Réhault, Julien Emile (2019). Effective detection of weak terahertz pulses in electro-optic sampling at kilohertz repetition rate [Dataset]. Optical Society of America