Abstract
We conducted the present study to design and manufacture a semi-transparent organic solar cell (ST-OSC). First, we formed a transparent top contact as MoO3/Ag/MoO3 in a dielectric/metal/dielectric (DMD) structure. We performed the production of an FTO/ZnO/P3HT:PCBM/MoO3/Ag/MoO3 ST-OSC by integrating MoO3/Ag/MoO3 (10/d_{m}/d_{{od}} nm) instead of an Ag electrode in an opaque FTO/ZnO/P3HT:PCBM/MoO3/Ag (–/40/130/10/100 nm) OSC, after theoretically achieving optimal values of optical and electrical parameters depending on Ag layer thickness. The transparency decreased with the increase of d_{m} values for current DMD. Meanwhile, maximum transmittance and average visible transmittance (AVT) indicated the maximum values of over 92% for d_{m} ~ = 4 and 8 nm, respectively. For ST-OSCs, the absorption and reflectance increased in the visible region by a wavelength of longer than 560 nm and in the whole near-infrared region by increasing d_{m} up to 16 nm. Moreover, in the CIE chromaticity diagram, we reported a shift towards the D65 Planckian locus for colour coordinates of current ST-OSCs. Electrical analysis indicated the photogenerated current density and AVT values for d_{m} = 6 nm as 63.30 mA/cm2 and 38.52%, respectively. Thus, the theoretical and experimental comparison of optical and electrical characteristics confirmed that the manufactured structure is potentially conducive for a high-performance ST-OSC.
Highlights
We conducted the present study to design and manufacture a semi-transparent organic solar cell (ST-Organic solar cells (OSC))
The inner MoO3 layer is directly integrated above the active layer P3HT:phenyl C61-butyric acid methyl ester (PCBM), so the layer acts as the hole transport layer (HTL)
In designation process,we have presented that the M oO3/Ag/MoO3 DMD structure is a suitable top transparent contact for P3HT:PCBM-based OSCs by determining the optimal values of dm and dod
Summary
We conducted the present study to design and manufacture a semi-transparent organic solar cell (ST-OSC). Organic solar cells (OSC), where organic materials form the active region, are very useful in terms of low-cost production and fabrication processes, flexibility, lightness and roll-to-roll p rintability[1,2,3,4,5]. The ability to form structures, which are thin and have high absorbance, has created the potential to design a semi-transparent organic solar cell (ST-OSC), which has photon harvesting in the near-infrared range and Scientific Reports | (2021) 11:13079. When the necessary adjustment and modification is made in the STOSC structure, the transparency can be effectively achieved in the visible region (VR) of the solar spectrum as well as it can absorb light in the NIR region[7]. The application of ST-OSCs on windows in buildings can enable social living areas with smart and healthy home technologies to receive sunlight
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