Journal
NANOSCALE RESEARCH LETTERS
Volume 8, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1186/1556-276X-8-106
Keywords
P3HT-capped CdSe superstructures; Photoabsorption; Continuous interpenetrating networks; Solar cell
Funding
- National Natural Science Foundation of China [21171035, 11204030, 50902021, 51272299]
- Chinese Ministry of Education [313015]
- Science and Technology Commission of Shanghai-based 'Innovation Action Plan' Project [10JC1400100]
- Shanghai Natural Science Foundation [10ZR1400200]
- Ph.D. Programs Foundation of Ministry of Education of China [20110075110008]
- Fundamental Research Funds for the Central Universities
- Shanghai Leading Academic Discipline Project [B603]
- Program of Introducing Talents of Discipline to Universities [111-2-04]
- Shanghai Rising-Star Program [11QA1400100]
- Innovation Program of Shanghai Municipal Education Commission [13ZZ053]
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Organic/inorganic hybrid solar cells have great potentials to revolutionize solar cells, but their use has been limited by inefficient electron/hole transfer due to the presence of long aliphatic ligands and unsatisfying continuous interpenetrating networks. To solve this problem, herein, we have developed a one-pot route for in situ synthesis of poly(3-hexylthiophene) (P3HT)-capped CdSe superstructures, in which P3HT acts directly as the ligands. These CdSe superstructures are in fact constructed from numerous CdSe nanoparticles. The presence of P3HT ligands has no obvious adverse effects on the morphologies and phases of CdSe superstructures. Importantly, higher content of P3HT ligands results in stronger photoabsorption and fluorescent intensity of CdSe superstructure samples. Subsequently, P3HT-capped CdSe superstructures prepared with 50 mg P3HT were used as a model material to fabricate the solar cell with a structure of PEDOT:PSS/P3HT-capped CdSe superstructures: P3HT/Al. This cell gives a power conversion efficiency of 1.32%.
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