Cost-effective thiophene-assisted novel dopant-free hole transport materials for efficient perovskite solar cell performance
| Autor: | S. Narendra Babu, Jayathirtha Rao Vaidya, Gurulakshmi Maddala, M. SasiKumar, Mahesh Subburu, Raghavender Mitty, Someshwar Pola, Meenakshamma Ambapuram, Prabhakar Chetti |
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| Rok vydání: | 2020 |
| Předmět: |
Materials science
Dopant Renewable Energy Sustainability and the Environment Cost effectiveness business.industry Energy conversion efficiency Photovoltaic system Energy Engineering and Power Technology Halide Perovskite solar cell chemistry.chemical_compound Fuel Technology chemistry Thiophene Optoelectronics business Perovskite (structure) |
| Zdroj: | Sustainable Energy & Fuels. 4:4754-4767 |
| ISSN: | 2398-4902 |
| DOI: | 10.1039/d0se00549e |
| Popis: | Hole transport material (HTM)-assisted halide perovskite solar cells (PSCs) have demonstrated excellent performances in photovoltaic technology within a short period of time. Herein, cost-effective hole transport materials (HTMs), namely BTBDT and BTDTP, were successfully synthesized using thiophene, and engineered into perovskite devices, exhibiting a higher photovoltaic performance than that of the commercially available Spiro-OMeTAD. The PSCs with BTBDT and BTDTP HTMs exhibited a power conversion efficiency (PCE) of 16.96% and 17.60%, respectively. Under the exact conditions, the test device employing Spiro-OMeTAD demonstrated a PCE of 13.16%. The champion short-circuit density of 25.73 mA cm−2 was achieved in the present study for the BTDTP-assisted PSC. Furthermore, the device stability was examined after 60 days, demonstrating a PCE of 16.08% for BTDTP, which was much more stable than the Spiro-OMeTAD device (5.89%). Besides the unique device performance, the significant features such as simple synthetic process, dopant-free conditions and cost effectiveness of BTBDT and BTDTP make them plausible alternatives to Spiro-OMeTAD as the hole transport material in PSCs. |
| Databáze: | OpenAIRE |
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