Crystalline-silicon heterojunction solar cells with graphene incorporation

Zan, Recep; Altuntepe, Ali; Altan, Tolga; Seyhan, Ayşe

doi:10.1016/b978-0-12-821592-0.00007-8

Cited by 2 publications

(1 citation statement)

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“…Finally, finger and busbar patterns were printed on the front surface of the HJT solar cells using Ag paste via the screen print method (ASM Assembly Systems, Munich, Germany), and the solar cell was completed by firing it at 200 °C for 10 min [ 28 , 29 ]. Figure 1 a provides a schematic representation and eV diagram [ 30 ] of the HJT solar cell.…”

Section: Methodsmentioning

confidence: 99%

Impact of Temperature Optimization of ITO Thin Film on Tandem Solar Cell Efficiency

Damgaci,

Kartal,

Gucluer

et al. 2024

Materials

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This study examined the impact of temperature optimization on indium tin oxide (ITO) films in monolithic HJT/perovskite tandem solar cells. ITO films were deposited using magnetron sputtering at temperatures ranging from room temperature (25 °C) to 250 °C. The sputtering target was ITO, with a mass ratio of In2O3 to SnO2 of 90% to 10%. The effects of temperature on the ITO film were analyzed using X-ray diffraction (XRD), spectroscopic ellipsometry, and sheet resistance measurements. Results showed that all ITO films exhibited a polycrystalline morphology, with diffraction peaks corresponding to planes (211), (222), (400), (440), and (622), indicating a cubic bixbyite crystal structure. The light transmittance exceeded 80%, and the sheet resistance was 75.1 Ω/sq for ITO deposited at 200 °C. The optical bandgap of deposited ITO films ranged between 3.90 eV and 3.93 eV. Structural and morphological characterization of the perovskite solar cell was performed using XRD and FE-SEM. Tandem solar cell performance was evaluated by analyzing current density-voltage characteristics under simulated sunlight. By optimizing the ITO deposition temperature, the tandem cell achieved a power conversion efficiency (PCE) of 16.74%, resulting in enhanced tandem cell efficiency.

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Section: Methodsmentioning

confidence: 99%