Abstract
In this work, lead phthalocyanine (PbPc) and ZnO/InN inorganic semiconductor films prepared by oblique-angle deposition (OAD) were layered to form heterojunction organic/inorganic hybrid photovoltaic solar cells. Among the available organic materials, phthalocyanines, particularly the non-planar ones such as PbPc, are notable for their absorption in the visible and near infrared regions. The organic/inorganic hybrid solar cells fabricated on ZnO/OAD-InN/PbPc showed short-circuit current density (JSC), open-circuit voltage (VOC), and power conversion efficiencies (η) of 1.2 mA/cm2, 0.6 V and 0.144%, respectively.
Highlights
Organic/inorganic hybrid photovoltaic solar cells are regarded as one of the future high potential molecular electronic application in photovoltaic (PV) systems owing to their low temperature and easy fabrication [1,2,3,4,5,6]
Lead phthalocyanine (PbPc) is a well-known organic semiconductor, and thin films of PbPc have a wide range of possible applications, including solar cells, gas sensors, and electroluminescence devices, owing to its easy synthesis and strong substantial absorption in the visible and near infrared [7,8,9,10]
Average pore diameter of the oblique-angle deposition (OAD)-InN nanocolumnar layer was in the range of 10–30 nm, as shown in 200 nm (b) image of OAD-InN/zinc oxide (ZnO) stack deposited on indium tin oxide (ITO) glass
Summary
Organic/inorganic hybrid photovoltaic solar cells are regarded as one of the future high potential molecular electronic application in photovoltaic (PV) systems owing to their low temperature and easy fabrication [1,2,3,4,5,6]. The columnar structure film exhibits high surface roughness characteristics and intrinsically anisotropic physical properties, such as dichroism, birefringence, and anisotropic resistivity [18,19,20,21,22]. These material and optical properties are interesting to solar cell applications due to the light behavior inside the OAD materials. This study reported the characteristics of the solar cells with ZnO/OAD-InN/PbPc hybrid structure
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