Akchheta Karki
Akchheta Karki
Laboratory of Organic Electronics - Linköping University, University of California at Santa Barbara
Verified email at liu.se
Cited by
Cited by
Design of Nonfullerene Acceptors with Near‐Infrared Light Absorption Capabilities
J Lee, SJ Ko, M Seifrid, H Lee, C McDowell, BR Luginbuhl, A Karki, K Cho, ...
Advanced Energy Materials 8 (26), 1801209, 2018
Thermally stable, highly efficient, ultraflexible organic photovoltaics
X Xu, K Fukuda, A Karki, S Park, H Kimura, H Jinno, N Watanabe, ...
Proceedings of the National Academy of Sciences 115 (18), 4589-4594, 2018
Understanding the High Performance of over 15% Efficiency in Single‐Junction Bulk Heterojunction Organic Solar Cells
A Karki, J Vollbrecht, AL Dixon, N Schopp, M Schrock, GNM Reddy, ...
Advanced Materials 31 (48), 1903868, 2019
Side-chain engineering of nonfullerene acceptors for near-infrared organic photodetectors and photovoltaics
J Lee, SJ Ko, H Lee, J Huang, Z Zhu, M Seifrid, J Vollbrecht, VV Brus, ...
ACS Energy Letters 4 (6), 1401-1409, 2019
Bandgap narrowing in non‐fullerene acceptors: single atom substitution leads to high optoelectronic response beyond 1000 nm
J Lee, SJ Ko, M Seifrid, H Lee, BR Luginbuhl, A Karki, M Ford, ...
Advanced Energy Materials 8 (24), 1801212, 2018
Charge generation and recombination in an organic solar cell with low energetic offsets
NA Ran, JA Love, MC Heiber, X Jiao, MP Hughes, A Karki, M Wang, ...
Advanced Energy Materials 8 (5), 1701073, 2018
Quantifying the Nongeminate Recombination Dynamics in Nonfullerene Bulk Heterojunction Organic Solar Cells
J Vollbrecht, VV Brus, SJ Ko, J Lee, A Karki, DX Cao, K Cho, GC Bazan, ...
Advanced Energy Materials 9 (32), 1901438, 2019
Unifying energetic disorder from charge transport and band bending in organic semiconductors
A Karki, GJAH Wetzelaer, GNM Reddy, V Nádaždy, M Seifrid, F Schauer, ...
Advanced Functional Materials 29 (20), 1901109, 2019
Doping polymer semiconductors by organic salts: Toward high-performance solution-processed organic field-effect transistors
Y Hu, ZD Rengert, C McDowell, MJ Ford, M Wang, A Karki, AT Lill, ...
ACS nano 12 (4), 3938-3946, 2018
Quantifying and understanding voltage losses due to nonradiative recombination in bulk heterojunction organic solar cells with low energetic offsets
KD Rosenthal, MP Hughes, BR Luginbuhl, NA Ran, A Karki, SJ Ko, H Hu, ...
Advanced Energy Materials 9 (27), 1901077, 2019
Unifying charge generation, recombination, and extraction in low‐offset non‐fullerene acceptor organic solar cells
A Karki, J Vollbrecht, AJ Gillett, P Selter, J Lee, Z Peng, N Schopp, ...
Advanced Energy Materials 10 (29), 2001203, 2020
Unusual morphologies of poly (vinyl alcohol) thin films adsorbed on poly (dimethylsiloxane) substrates
A Karki, L Nguyen, B Sharma, Y Yan, W Chen
Langmuir 32 (13), 3191-3198, 2016
Highly efficient organic photovoltaics with enhanced stability through the formation of doping-induced stable interfaces
Z Jiang, F Wang, K Fukuda, A Karki, W Huang, K Yu, T Yokota, K Tajima, ...
Proceedings of the National Academy of Sciences 117 (12), 6391-6397, 2020
The role of bulk and interfacial morphology in charge generation, recombination, and extraction in non-fullerene acceptor organic solar cells
A Karki, J Vollbrecht, AJ Gillett, SS Xiao, Y Yang, Z Peng, N Schopp, ...
Energy & Environmental Science 13 (10), 3679-3692, 2020
Solution‐Processed Ion‐Free Organic Ratchets with Asymmetric Contacts
J Huang, A Karki, VV Brus, Y Hu, H Phan, AT Lill, M Wang, GC Bazan, ...
Advanced Materials 30 (46), 1804794, 2018
Design of narrow bandgap non-fullerene acceptors for photovoltaic applications and investigation of non-geminate recombination dynamics
J Vollbrecht, J Lee, SJ Ko, VV Brus, A Karki, W Le, M Seifrid, MJ Ford, ...
Journal of Materials Chemistry C 8 (43), 15175-15182, 2020
Adsorption of poly (vinyl alcohol) onto polydimethylsiloxane substrates: formation of continuous films, honeycomb structures, and fractal morphologies
A Karki
Temperature and Light Modulated Open‐Circuit Voltage in Nonfullerene Organic Solar Cells with Different Effective Bandgaps
VV Brus, N Schopp, SJ Ko, J Vollbrecht, J Lee, A Karki, GC Bazan, ...
Advanced Energy Materials, 2003091, 2020
The Importance of Quantifying the Composition of the Amorphous Intermixed Phase in Organic Solar Cells
S Marina, NP Kaufmann, A Karki, E Gutiérrez‐Meza, ...
Advanced Materials 32 (47), 2005241, 2020
The role of charge recombination to spin-triplet excitons in non-fullerene acceptor organic solar cells
AJ Gillett, A Privitera, R Dilmurat, A Karki, D Qian, A Pershin, G Londi, ...
arXiv preprint arXiv:2010.10978, 2020
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