Temperature-dependent barrier height inhomogeneities in PTB7:PC<sub>71</sub>BM-based organic solar cells

Brahim Ait Ali; Reda Moubah; Abdelkader Boulezhar; Hassan Lassri

doi:10.1088/1674-1056/aba5fc

Chinese Physics B, Volume. 29, Issue 9, (2020)

Temperature-dependent barrier height inhomogeneities in PTB7:PC₇₁BM-based organic solar cells

Brahim Ait Ali^1,2, Reda Moubah^2、†, Abdelkader Boulezhar¹, and Hassan Lassri²

Author Affiliations

¹LERDyS, Faculty of Science Ain Chock, Hassan II University of Casablanca, Morocco

²LPMMAT, Faculty of Science Ain Chock, Hassan II University of Casablanca, Morocco

show less

Figures & Tables(9)

Fig. 1. (a) Chemical structures of components in active layer and (b) device structure.

Download full size

View in Article

Fig. 2. (a) log(J)–V (voltage) of PTB7:PC₇₁BM-based device in the dark, and (b) the J–V characteristics under illumination in temperature range of 110 K–325 K.

Download full size

View in Article

Fig. 3. Plot of n and J_sversus temperature (extracted from J–V curves in the dark) of the investigated device at various temperatures.

Download full size

View in Article

Fig. 4. Variations of (a) V_OC and J_SC, (b) PCE ( %) and fill factor (FF) with temperature of the investigated device.

Download full size

View in Article

Fig. 5. Barrier height versusT of the investigated device.

Download full size

View in Article

Fig. 6. The plots of ln (J_s/T²) as a function of 1/T [panel (a)] and 1/nT [panel (b)].

Download full size

View in Article

Fig. 7. Barrier height versus 1/2kT of the investigated device.

Download full size

View in Article

Fig. 8. ln(Js/T2)−σs2/(2k2T2)versus 1/kT of the investigated device.

Download full size

View in Article

Table 1. The ${\hat{Φ}}_{B 0}$ (in unit eV) and A^* (in unit A⋅cm⁻⋅K⁻²) obtained from Eq. (9).
View table
View in Article
Table 1. The ${\hat{Φ}}_{B 0}$ (in unit eV) and A^* (in unit A⋅cm⁻⋅K⁻²) obtained from Eq. (9).
Cathode Ca/Al
Temperature range ${\hat{Φ}}_{B 0}$ /eV A^*/A⋅cm⁻²⋅K⁻²
High (200 K–325 K) 1.49 135.64
Low (110 K–170 K) 0.91 169.01

Tools

Get Citation

Copy Citation Text

Brahim Ait Ali, Reda Moubah, Abdelkader Boulezhar, Hassan Lassri. Temperature-dependent barrier height inhomogeneities in PTB7:PC₇₁BM-based organic solar cells[J]. Chinese Physics B, 2020, 29(9):

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Received: Dec. 16, 2019

Accepted: --

Published Online: Apr. 29, 2021

The Author Email: Moubah Reda (reda.moubah@hotmail.fr)

DOI:10.1088/1674-1056/aba5fc

Topics

Nuclear physics

Particles and fields

Particle and nuclear astrophysics and cosmology

Table 1. The Φ^B0 (in unit eV) and A* (in unit A⋅cm−⋅K−2) obtained from Eq. (9).

Table 1. The Φ^B0 (in unit eV) and A* (in unit A⋅cm−⋅K−2) obtained from Eq. (9).

Table 1. The ${\hat{Φ}}_{B 0}$ (in unit eV) and A^* (in unit A⋅cm⁻⋅K⁻²) obtained from Eq. (9).

Table 1. The ${\hat{Φ}}_{B 0}$ (in unit eV) and A^* (in unit A⋅cm⁻⋅K⁻²) obtained from Eq. (9).