Enhancing the efficiency of CIGS thin film solar cells by inserting novel back surface field (SnS) layer

The insertion of sulfurized-AgGa layer at CIGS/ITO interface reduced the bulk and back surface recombination and thus ameliorated the PV performance without adversely affecting the cell’s visible transmittance.

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Low work function intermetallic thin film as a back surface field material for hybrid solar cells

Solar Energy ◽

10.1016/j.solener.2018.01.058 ◽

2018 ◽

Vol 162 ◽

pp. 397-402 ◽

Cited By ~ 4

Author(s):

Kunpeng Ge ◽

Jianhui Chen ◽

Bingbing Chen ◽

Yanjiao Shen ◽

Jianxin Guo ◽

...

Keyword(s):

Thin Film ◽

Solar Cells ◽

Work Function ◽

Back Surface ◽

Hybrid Solar Cells ◽

Back Surface Field ◽

Surface Field

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Optimizing Back Surface Field of Heterojunction Thin-Film Solar Cells by Numerical Simulation

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.383-390.267 ◽

2011 ◽

Vol 383-390 ◽

pp. 267-271

Author(s):

Gang Lu ◽

Lu Zhang

Keyword(s):

Solar Cells ◽

Polycrystalline Silicon ◽

Thin Film Solar Cells ◽

Maximum Efficiency ◽

Back Surface ◽

Defect States ◽

Back Surface Field ◽

Heterojunction Solar Cells ◽

Surface Field ◽

Silicon Heterojunction Solar Cells

A new structure of amorphous/ polycrystalline silicon heterojunction solar cells is reported. For a-Si (n+)/poly-Si (p)/poly-Si(p+) structure, the concentration, thickness, and the defect states of BSF are discussed. It is shown that the cell performance improves with thickness between 10-15nm, concentration is of the order of 1E19cm-3, the maximum efficiency up to 20.45%.

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Crystalline Fraction and Doping Concentration Effect on Heterojunction Solar Cells n-Doped μc-Si:H Back Surface Field Layer

Journal of Nanoscience and Nanotechnology ◽

10.1166/jnn.2015.10242 ◽

2015 ◽

Vol 15 (3) ◽

pp. 2294-2299 ◽

Cited By ~ 2

Author(s):

Sangho Kim ◽

Chonghoon Shin ◽

Nagarajan Balaji ◽

Junsin Yi

Keyword(s):

Solar Cells ◽

Doping Concentration ◽

Concentration Effect ◽

Back Surface ◽

Crystalline Fraction ◽

Back Surface Field ◽

Heterojunction Solar Cells ◽

Field Layer ◽

Surface Field

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Numerical Investigation of Graphene as a Back Surface Field Layer on the Performance of Cadmium Telluride Solar Cell

Molecules ◽

10.3390/molecules26113275 ◽

2021 ◽

Vol 26 (11) ◽

pp. 3275

Author(s):

Devendra KC ◽

Deb Kumar Shah ◽

M. Shaheer Akhtar ◽

Mira Park ◽

Chong Yeal Kim ◽

...

Keyword(s):

Solar Cells ◽

Solar Cell ◽

Doping Concentration ◽

Carrier Lifetime ◽

Short Circuit ◽

Back Surface ◽

Back Surface Field ◽

Cdte Solar Cell ◽

Cdte Solar Cells ◽

Surface Field

This paper numerically explores the possibility of ultrathin layering and high efficiency of graphene as a back surface field (BSF) based on a CdTe solar cell by Personal computer one-dimensional (PC1D) simulation. CdTe solar cells have been characterized and studied by varying the carrier lifetime, doping concentration, thickness, and bandgap of the graphene layer. With simulation results, the highest short-circuit current (Isc = 2.09 A), power conversion efficiency (h = 15%), and quantum efficiency (QE ~ 85%) were achieved at a carrier lifetime of 1 × 103 ms and a doping concentration of 1 × 1017 cm−3 of graphene as a BSF layer-based CdTe solar cell. The thickness of the graphene BSF layer (1 mm) was proven the ultrathin, optimal, and obtainable for the fabrication of high-performance CdTe solar cells, confirming the suitability of graphene material as a BSF. This simulation confirmed that a CdTe solar cell with the proposed graphene as the BSF layer might be highly efficient with optimized parameters for fabrication.

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