@unpublished{MosaviMoeiniAhmadpouretal.,
  author    = {Mosavi, Amir and Moeini, Iman and Ahmadpour, Mohammad and Alharbi, Naif and E. Gorji, Nima},
  title     = {Modeling the time-dependent characteristics of perovskite solar cells},
  doi       = {10.25643/bauhaus-universitaet.3757},
  url       = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20180907-37573},
  abstract  = {We proposed two different time-dependent modeling approaches for variation of device characteristics of perovskite solar cells under stress conditions. The first approach follows Sah-Noyce-Shockley (SNS) model based on Shockley-Read-Hall recombination/generation across the depletion width of pn junction and the second approach is based on thermionic emission model for Schottky diodes. The connecting point of these approaches to time variation is the time-dependent defect generation in depletion width (W) of the junction. We have fitted the two models with experimental data reported in the literature to perovskite solar cell and found out that each model has a superior explanation for degradation of device metrics e.g. current density and efficiency by time under stress conditions. Nevertheless, the Sah-Noyce-Shockley model is more reliable than thermionic emission at least for solar cells.},
  subject      = {Solarzelle},
  language  = {en}
}
@article{JilteAhmadiKumaretal.,
  author    = {Jilte, Ravindra and Ahmadi, Mohammad Hossein and Kumar, Ravinder and Kalamkar, Vilas and Mosavi, Amir},
  title     = {Cooling Performance of a Novel Circulatory Flow Concentric Multi-Channel Heat Sink with Nanofluids},
  series = {Nanomaterials},
  volume    = {2020},
  journal   = {Nanomaterials},
  number    = {Volume 10, Issue 4, 647},
  publisher = {MDPI},
  address   = {Basel},
  doi       = {10.3390/nano10040647},
  url       = {http://nbn-resolving.de/urn:nbn:de:gbv:wim2-20200401-41241},
  pages     = {12},
  abstract  = {Heat rejection from electronic devices such as processors necessitates a high heat removal rate. The present study focuses on liquid-cooled novel heat sink geometry made from four channels (width 4 mm and depth 3.5 mm) configured in a concentric shape with alternate flow passages (slot of 3 mm gap). In this study, the cooling performance of the heat sink was tested under simulated controlled conditions.The lower bottom surface of the heat sink was heated at a constant heat flux condition based on dissipated power of 50 W and 70 W. The computations were carried out for different volume fractions of nanoparticles, namely 0.5\% to 5\%, and water as base fluid at a flow rate of 30 to 180 mL/min. The results showed a higher rate of heat rejection from the nanofluid cooled heat sink compared with water. The enhancement in performance was analyzed with the help of a temperature difference of nanofluid outlet temperature and water outlet temperature under similar operating conditions. The enhancement was ~2\% for 0.5\% volume fraction nanofluids and ~17\% for a 5\% volume fraction.},
  subject      = {Nanostrukturiertes Material},
  language  = {en}
}