Effect of Silver Nanoparticle Size on Efficiency Enhancement of Dye-Sensitized Solar Cells

Table 1

Weight (%) of Ag nanoparticles obtained from SEM-EDX analysis, short circuit current densities (𝐽_SC), open circuit voltages (𝑉_OC), fill factors (FF), and efficiencies of DSCs prepared using the TiO₂/Ag composite film electrodes compared with pure TiO₂ electrode (reference) under AM1.5.

No.	Size of Ag; nanoparticles on TiO2 electrode (nm)	Weight (%) of Ag nanoparticles	𝐽SC (mA/cm^2)	𝑉OC (V)	FF	Efficiency (%)
1	pure TiO2 (reference)	0	7.50	0.72	0.75	4.02
2	4.36±2.53	3.30±0.35	7.07	0.75	0.76	4.02
3	4.56±1.78	4.01±0.56	8.11	0.74	0.68	4.07
4	5.39±1.83	3.52±0.27	7.21	0.76	0.62	3.40
5	6.20±1.65	3.45±0.30	7.84	0.74	0.62	3.64
6	7.17±2.59	3.56±0.30	6.81	0.78	0.63	3.34
7	10.98±1.80	3.54±0.38	6.32	0.77	0.78	3.82
8	12.5 [18]	—	4.40	0.81	0.69	2.5
9	15.57±3.26	3.29±0.11	6.81	0.75	0.78	3.98
10	19.16±3.71	3.59±0.50	8.12	0.73	0.80	4.76
11	23.55±4.26	4.14±0.94	6.43	0.76	0.75	3.64
12	27.51±8.05	4.20±0.34	6.04	0.76	0.76	3.51
13	38.56±5.30	4.42±0.45	6.19	0.74	0.75	3.43
14	40 [19]	—	11.53	0.65	0.53	4.10
15	~100 [20]	—	2.10	0.82	0.54	0.93