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Browsing by Author "Adhikari, N."

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Interfacial study to suppress charge carrier recombination for high efficiency perovskite solar cells

Adhikari, N.; Dubey, A.; Khatiwada, D.; Mitul, A.F.; Wang, Q.; Venkatesan, S.; Lefanova, A.; Zai, J.; Qian, X.; Kumar, M.; Qiao, Q. (2016-11-16)

We report effects of an interface between TiO2−perovskite and grain−grain boundaries of perovskite films prepared by single step and sequential deposited technique using different annealing times at optimum temperature. ...
Origin of photogenerated carrier recombination at the metal–active layer interface in polymer solar cells

Kumar, M.; Dubey, A.; Reza, K.M.; Adhikari, N.; Qiao, Q.; Bommisetty, V. (2016-11-19)

The role of the metal–active layer interface in photogenerated recombination has been investigated using nanoscale current sensing atomic force microscopy (CS-AFM) and intensity modulated photocurrent spectroscopy (IMPS) ...
Room temperature, air crystallized perovskite film for high performance solar cells

Dubey, A.; Kantack, N.; Adhikari, N.; Reza, K. M.; Venkatesan, S.; Kumar, M.; Khatiwada, D.; Darling, S.; Qiao, Q. (2021-10-04)

For the first time, room temperature heating free growth and crystallization of perovskite films in ambient air without the use of thermal annealing is reported. Highly efficient perovskite nanorod-based solar cells ...
Shelf life stability comparison in air for solution processed pristine PDPP3T polymer and doped spiro-OMeTAD as hole transport layer for perovskite solar cell

Dubey, A.; Adhikari, N.; Venkatesan, S.; Gua, S.; Khatiwada, D.; Wang, Qi; Mohammad, L.; Kumar, M.; Qiao, Q. (2016-07-19)

This data in brief includes forward and reverse scanned current density–voltage (J–V) characteristics of perovskite solar cells with PDPP3T and spiro-OMeTAD as HTL, stability testing conditions of perovskite solar cell ...
Solution processed pristine PDPP3T polymer as hole transport layer for efficient perovskite solar cells with slower degradation

Dubey, A.; Adhikari, N.; Venkatesan, S.; Gu, S.; Khatiwada, D.; Wang, Q.; Mohammad, L.; Kumar, M.; Qiao, O. (2016-11-21)

We report solution processed pristine diketopyrrolopyrrole (DPP) based polymer (PDPP3T) as hole transport layer (HTL) for perovskite (CH3NH3PbI3) solar cells. The pristine PDPP3T based perovskite solar cells achieved ...
Strategic review of secondary phases, defects and defect-complexes in kesterite CZTS-Se solar cells

Kumar, M.; Dubey, A.; Adhikari, N.; Venkatesan, S.; Qiao, Q. (2016-11-19)

Earth abundant kesterite copper-zinc-tin-sulfide-selenide (CZTS-Se) is considered as cost-effective material for next generation solar cells. However, current CZTS-Se solar cells have much lower efficiency than CIGS solar ...

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