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Akchheta Karki
Akchheta Karki
Research Scientist at Holst Centre
Verified email at tno.nl
Title
Cited by
Cited by
Year
The role of charge recombination to triplet excitons in organic solar cells
AJ Gillett, A Privitera, R Dilmurat, A Karki, D Qian, A Pershin, G Londi, ...
Nature 597 (7878), 666-671, 2021
2342021
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
2312019
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
1952019
The path to 20% power conversion efficiencies in nonfullerene acceptor organic solar cells
A Karki, AJ Gillett, RH Friend, TQ Nguyen
Advanced Energy Materials 11 (15), 2003441, 2021
1862021
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
1452020
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
1432018
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
1282018
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
1252019
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
1082018
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
862020
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
772019
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
742019
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
732018
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
592018
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
572020
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
562020
Electrical tuning of plasmonic conducting polymer nanoantennas
A Karki, G Cincotti, S Chen, V Stanishev, V Darakchieva, C Wang, ...
Advanced Materials 34 (13), 2107172, 2022
322022
Effect of Palladium‐Tetrakis (Triphenylphosphine) Catalyst Traces on Charge Recombination and Extraction in Non‐Fullerene‐based Organic Solar Cells
N Schopp, VV Brus, J Lee, A Dixon, A Karki, T Liu, Z Peng, KR Graham, ...
Advanced Functional Materials 31 (15), 2009363, 2021
282021
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 11 (4), 2003091, 2021
262021
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
242020
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