In this work, a detailed description of the various steps involved in the fabrication of high-efficiency hydrogenated amorphous-silicon cells using plasma-enhanced chemical vapor deposition, and a novel shadow masking technique is presented. The influence of the different masking methods on the cell parameters was experimentally investigated
Customer ServiceOur contribution aims to convey that the common recommended practice of masking a solar cell in fact cannot unconditionally be endorsed. Sometimes masks with
Customer ServiceHere, we report a simple, economical shellac-based encapsulation method for PSC modules, which have multiple functions of isolating moisture, absorbing UV light, buffering the mechanical shock, and suppressing lead leakage. Shellac sealants were spray-coated onto the entire device for encapsulation.
Customer ServiceJV characterizations are performed adopting a solar cell mask with aperture 0.03 cm 2. The external quantum efficiency (EQE) measurements were performed using ARKEO platform (Cicci Research S.r.l
Customer ServiceIn this article, the authors propose a high-voltage photovoltaic (PV) cell array integrating discharging phototransistors for the fast driving of an electrostatic MEMS actuator by light with
Customer ServiceHere, we report a simple, economical shellac-based encapsulation method for PSC modules, which have multiple functions of isolating moisture, absorbing UV light,
Customer ServiceIn this work, a detailed description of the various steps involved in the fabrication of high-efficiency hydrogenated amorphous-silicon cells using plasma-enhanced
Customer ServiceIn these highly light-scattering photo-voltaic devices, the photocurrent was easily overestimated under illumination without the employment of photomasks. For perovskite solar cells, masking
Customer ServiceWe propose a gate-array style easy configuration method for voltage photovoltaic cell for rapid prototyping of on-chip IoT system. Using the same design chips fabricated by
Customer ServiceJV characterizations are performed adopting a solar cell mask with aperture 0.03 cm 2. The external quantum efficiency (EQE) measurements were performed using
Customer ServiceOur contribution aims to convey that the common recommended practice of masking a solar cell in fact cannot unconditionally be endorsed. Sometimes masks with apertures much smaller than the device area are being employed, but this is categorically detrimental for the open-circuit voltage of the device.
Customer ServiceIn these highly light-scattering photo-voltaic devices, the photocurrent was easily overestimated under illumination without the employment of photomasks. For perovskite solar cells, masking is also generally recommended for the same reasons, particularly for those based on mes-oporous titanium dioxide.
Customer ServiceThis multilayer etching mask can be prepared by standard lithography and a metal etching process, and has been used successfully to fabricate light trapping regular pit
Customer ServicePhotomasks were printed on a laser-jet printer featuring grids of .5mm wide and produced clean copies of the masks with minimal walling. The implementation of photolithography in exploring
Customer ServiceWe propose a gate-array style easy configuration method for voltage photovoltaic cell for rapid prototyping of on-chip IoT system. Using the same design chips fabricated by standard CMOS process and only changing the mask pattern for post processes, we successfully achieved two type chips: one generates 68 V open circuit voltage
Customer ServiceThis approach has demonstrated an independently confirmed 16.7% (air mass 1.5, 25 °C) efficiency for a 10.5 cm<sup>2</sup> polycrystalline silicon solar cell, the highest
Customer ServiceThis approach has demonstrated an independently confirmed 16.7% (air mass 1.5, 25 °C) efficiency for a 10.5 cm<sup>2</sup> polycrystalline silicon solar cell, the highest efficiency ever reported...
Customer ServicePhotomasks were printed on a laser-jet printer featuring grids of .5mm wide and produced clean copies of the masks with minimal walling. The implementation of photolithography in exploring more options to engineer more efficient inorganic solar
Customer ServiceThis multilayer etching mask can be prepared by standard lithography and a metal etching process, and has been used successfully to fabricate light trapping regular pit arrays on the glass surface for photovoltaic cells, so this technology has broad application prospects in many fields of micro-electromechanical systems.
Customer ServiceIn this article, the authors propose a high-voltage photovoltaic (PV) cell array integrating discharging phototransistors for the fast driving of an electrostatic MEMS actuator
Customer ServiceIn these highly light-scattering photovoltaic devices, the photocurrent was easily overestimated under illumination without the employment of photomasks. For perovskite solar cells, masking is also generally recommended for the same reasons, particularly for those based on mesoporous titanium dioxide.
JV characterizations are performed adopting a solar cell mask with aperture 0.03 cm 2. The external quantum efficiency (EQE) measurements were performed using ARKEO platform (Cicci Research S.r.l.).
This perspective aims at illuminating possibly overlooked aspects during the employment of photomasks in laboratory solar cell characterization. Our present study was focused on the novel field of perovskite photovoltaics, but the conclusions are valid independent of technology, as clarified in the Supplemental Information.
Total Masking Effect on Power Conversion Efficiency for a 1 Sun Illuminated Cell with n = 1.55 Neglecting possible JSC alterations, the combined effect of the always present FF overestimations and VOC underestimations leads to a fairly large “safe” region of allowable masking apertures.
Sometimes masks with apertures much smaller than the device area are being employed, but this is categorically detrimental for the open-circuit voltage of the device. Masking with small apertures can in addition affect the fill factor substantially, and in different ways depending on what conditions the device is operating under.
Solar cells employing masks, with apertures smaller than the area defined by the overlapping electrodes, thus never allow correctly measuring VOC and FF under the anticipated standard reference illumination conditions.
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