Abstract
In contrast to zero-dimensional (0D), one-dimensional (1D), and even their bulk equivalents, in two-dimensional (2D) layered materials, charge carriers are confined across thickness and are empowered to move across the planes. The features of 2D structures, such as quantum confinement, high absorption coefficient, high surface-to-volume ratio, and tunable bandgap, make them an encouraging contestant in various fields such as electronics, energy storage, catalysis, etc. In this review, we provide a gentle introduction to the 2D family, then a brief description of transition metal dichalcogenides (TMDCs), mainly focusing on MoS2, followed by the crystal structure and synthesis of MoS2, and finally wet chemistry methods. Later on, applications of MoS2 in dye-sensitized, organic, and perovskite solar cells are discussed. MoS2 has impressive optoelectronic properties; due to the fact of its tunable work function, it can be used as a transport layer, buffer layer, and as an absorber layer in heterojunction solar cells. A power conversion efficiency (PCE) of 8.40% as an absorber and 13.3% as carrier transfer layer have been reported for MoS2-based organic and perovskite solar cells, respectively. Moreover, MoS2 is a potential replacement for the platinum counter electrode in dye-sensitized solar cells with a PCE of 7.50%. This review also highlights the incorporation of MoS2 in silicon-based heterostructures where graphene/MoS2/n-Si-based heterojunction solar cell devices exhibit a PCE of 11.1%.
Highlights
The house of 2D layered materials [1] has gained appreciable attention over the last few years, starting with the first segregation of graphene from a bulk counterpart, i.e., graphite [2]
Vigorous attention has been paid to graphene from last many years and many review articles are available in literature so here we directly jump to layered Transition Metal Dichalcogenides (TMDCs) in this review article, detailing MoS2 and its incorporation in solar cell devices
In this review, we have summed up the subclasses of 2Ds with their respective crystalline structures, synthetic strategies, optoelectric properties, and applications of TMDCs MoS2 in solar cell devices
Summary
The house of 2D layered materials [1] has gained appreciable attention over the last few years, starting with the first segregation of graphene from a bulk counterpart, i.e., graphite [2]. The fascinating 2D library is increasing in size every year and attributes a surplus of 150 exotic materials that can be cleaved into sub-nanometer 2D monolayers [3,4,5,6]. Graphene protruded from the other 2D materials because of its quirky properties like exclusive exclusive electronic band structure, high transparency with eV bandgap, and thermal conductivity electronic band structure, high transparency with 0 eV bandgap, and thermal conductivity Due to the usage of monoatomic thin layers of 2D materials and their fine quality, is is possible to control electrostatic conductivity more more efficiently. The spotlighted spotlighted elements of of thethe periodic tabletable form’s most most
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