| Low-dimensional materials for photovoltaic application |
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| 作者姓名： | Rokas Kondrotas Chao Chen XinXing Liu Bo Yang Jiang Tang |
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| 作者单位： | Sargent Joint Research Center,Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information,Huazhong University of Science and Technology,Wuhan 430074,China;Center for Physical Sciences and Technology,Sauletekio 3,Vilnius 10257,Lithuania;Sargent Joint Research Center,Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information,Huazhong University of Science and Technology,Wuhan 430074,China |
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| 基金项目： | This work was supported by the National Natural Science Foundation of China ;The authors thank the Analytical and Testing Center of HUST and the facility support of the Center for Nanoscale Characterization and Devices (CNCD),WNLO-HUST;China Postdoctoral Science Foundation Project ;the National Key R&D Program of China |
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| 摘 要： | The photovoltaic(PV)market is currently dominated by silicon based solar cells.However technological diversification is essential to promote competition,which is the driving force for technological growth.Historically,the choice of PV materials has been limited to the three-dimensional(3D)compounds with a high crystal symmetry and direct band gap.However,to meet the strict demands for sustainable PV applications,material space has been expanded beyond 3D compounds.In this perspective we discuss the potential of low-dimensional materials(2D,1D)for application in PVs.We present unique features of low-dimensional materials in context of their suitability in the solar cells.The band gap,absorption,carrier dynamics,mobility,defects,surface states and growth kinetics are discussed and compared to 3D counterparts,providing a comprehensive view of prospects of low-dimensional materials.Structural dimensionality leads to a highly anisotropic carrier transport,complex defect chemistry and peculiar growth dynamics.By providing fundamental insights into these challenges we aim to deepen the understanding of low-dimensional materials and expand the scope of their application.Finally,we discuss the current research status and development trend of solar cell devices made of low-dimensional materials.
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| 关 键 词： | low-dimensional materials PHOTOVOLTAIC ABSORPTION DEFECT ANISOTROPY |
Low-dimensional materials for photovoltaic application |
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| Rokas Kondrotas,Chao Chen,XinXing Liu,Bo Yang,Jiang Tang.Low-dimensional materials for photovoltaic application[J].Chinese Journal of Semiconductors,2021,42(3):41-48. |
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| Authors: | Rokas Kondrotas Chao Chen XinXing Liu Bo Yang Jiang Tang |
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| Abstract: | The photovoltaic (PV) market is currently dominated by silicon based solar cells.However technological diversification is essential to promote competition,which is the driving force for technological growth.Historically,the choice of PV materials has been limited to the three-dimensional (3D) compounds with a high crystal symmetry and direct band gap.However,to meet the strict demands for sustainable PV applications,material space has been expanded beyond 3D compounds.in this perspective we discuss the potential of low-dimensional materials (2D,1D) for application in PVs.We present unique features of low-dimensional materials in context of their suitability in the solar cells.The band gap,absorption,carrier dynamics,mobility,defects,surface states and growth kinetics are discussed and compared to 3D counterparts,providing a comprehensive view of prospects of low-dimensional materials.Structural dimensionality leads to a highly anisotropic carrier transport,complex defect chemistry and peculiar growth dynamics.By providing fundamental insights into these challenges we aim to deepen the understanding of low-dimensional materials and expand the scope of their application.Finally,we discuss the current research status and development trend of solar cell devices made of low-dimensional materials. |
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| Keywords: | low-dimensional materials photovoltaic absorption defect anisotropy |
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