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Solar Cell Based on Hybrid Structural SiNW/Poly(3,4 ethylenedioxythiophene): Poly(styrenesulfonate)/Graphene
Global Challenges ( IF 4.4 ) Pub Date : 2020-05-17 , DOI: 10.1002/gch2.202000010
Nguyen Ngoc Anh 1 , Nguyen Van Chuc 1, 2 , Bui Hung Thang 1, 2 , Pham Van Nhat 3 , NguyenVan Hao 4 , Doan Dinh Phuong 1, 2 , Phan Ngoc Minh 2 , Thiyagu Subramani 5 , Naoki Fukata 5 , Pham Van Trinh 1, 2
Affiliation  

Solar energy is considered as a potential alternative energy source. The solar cell is classified into three main types: i) solar cells based on bulk silicon materials (monocrystalline, polycrystalline), ii) thin‐film solar cells (CIGS, CdTe, DSSC, etc.), and iii) solar cells based on nanostructures and nanomaterials. Nowadays, commercial solar cells are usually made by bulk silicon material, which requires not only high fabrication costs but also limited performance. In this study, the fabrication of high‐performance solar cells based on hybrid structure of silicon nanowires/poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate)/graphene (SiNW/PEDOT:PSS/Gr) is focused upon. SiNWs with different lengths of 125, 400, 800 nm, and 2 µm are fabricated by a metal‐assisted chemical etching method, and their influence on the performance of the hybrid solar cells is studied and investigated. The experimental results indicate that the suitable SiNW length for the fabrication of the hybrid solar cells is about 400 nm and the best power conversion efficiency obtained is about 9.05%, which is about 2.1 times higher than that of the planar Si solar cell.

中文翻译:

基于混合结构SiNW/聚(3,4乙烯二氧噻吩):聚(苯乙烯磺酸)/石墨烯的太阳能电池

太阳能被认为是一种潜在的替代能源。太阳能电池主要分为三种类型:i)基于体硅材料(单晶、多晶)的太阳能电池,ii)薄膜太阳能电池(CIGS、CdTe、DSSC等),以及iii)基于纳米结构和纳米材料。如今,商业太阳能电池通常由块状硅材料制成,不仅制造成本高,而且性能有限。在这项研究中,重点关注基于硅纳米线/聚(3,4-乙烯二氧噻吩):聚(苯乙烯磺酸)/石墨烯(SiNW/PEDOT:PSS/Gr)混合结构的高性能太阳能电池的制造。通过金属辅助化学刻蚀方法制备了125、400、800 nm和2 µm不同长度的SiNW,并研究了它们对混合太阳能电池性能的影响。实验结果表明,适合制作混合太阳能电池的SiNW长度约为400 nm,获得的最佳功率转换效率约为9.05%,比平面Si太阳能电池高约2.1倍。
更新日期:2020-05-17
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