Results 31 to 40 of about 209,665 (153)

Reduced Coulomb interaction in organic solar cells by the introduction of inorganic high-k nanostructured materials

open access: yes, 2012
In this article a concept is introduced, which allows for reduced Coulomb interaction in organic solar cells and as such for enhanced power conversion efficiencies.
Benson, Niels   +4 more
core  

Effect of doping on performance of organic solar cells

open access: yes, 2011
Conventional models of planar and bulk heterojunction organic solar cells have been extended by introducing doping in the active layer. We have studied the performance of organic solar cells as a function of dopant concentration.
Bruevich, V. V.   +2 more
core   +1 more source

NASA and energy [PDF]

open access: yes
NASA technology contributions to create energy sources include direct solar heating and cooling systems, wind generation of electricity, solar thermal energy turbine drives, solar cells, and techniques for locating, producing, and collecting organic ...

core   +1 more source

Quantification of Ion Migration in CH3NH3PbI3 Perovskite Solar Cells by Transient Capacitance Measurements

open access: yes, 2019
Solar cells based on organic-inorganic metal halide perovskites show efficiencies close to highly-optimized silicon solar cells. However, ion migration in the perovskite films leads to device degradation and impedes large scale commercial applications ...
Ehrler, Bruno   +8 more
core   +1 more source

Advances in Perovskite-Based Solar Cells [PDF]

open access: yes, 2017
The increase in energy demand due to increase in population and reduction of fossil fuels has led to the search of alternative energy sources. Solar energy, which is an alternative source of energy, has been in the fore front of this research.
Akinyemi, M. L.   +2 more
core  

Predicting HOMO and LUMO energy gaps for organic semi-conductor: A theoretical study

open access: yes, 2011
This poster presents a theoretical approach for characterizing the electronic properties of novel electron-deficient organic semiconductors containing variety of electron donor substituents.
Pukpayat, Padtaya
core  

Donor-acceptor polymers for applications in organic electronics and photovoltaics [PDF]

open access: yes, 2013
We have synthesized a new series of high-mobility polymeric semiconductors with good processability and excellent environmental stability for organic electronics and photovoltaics. Using these materials, solar cells were fabricated with power conversion
Casado-Cordon, Juan   +7 more
core  

Comment on "Interface state recombination in organic solar cells"

open access: yes, 2010
In a recent paper, Street et al. [Phys. Rev. B 81, 205307 (2010)] propose first order recombination due to interface states to be the dominant loss mechanism in organic bulk heterojunction solar cells, based on steady-state current--voltage ...
Alexander Wagenpfahl   +2 more
core   +1 more source

Volatile organic compounds are ghosts for organic solar cells [PDF]

open access: yes, 2014
All our efforts to demonstrate a multifunctional device – photovoltaic gas sensor (i.e. solar cell which show photovoltaic action depending on the gas / volatile organic compounds (VOC) in the surrounding atmosphere) yielded negative results ...
Somani, Prakash R.   +2 more
core  

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