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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Gong, Jiawei Krishnan, Sumathy |
| Copyright Year | 2018 |
| Abstract | A planar perovskite solar cell (PSC) with p-i-n inverted structure was modeled and simulated to determine the power output characteristics under illumination. The performance of inverted PSC device was correlated to the thickness of the absorber layer, band alignment, and electrical properties of the hole transport materials (HTMs). Our simulation indicates that, with an optimized absorber layer thickness ∼300 nm, an efficiency of 18% can be achieved. This baseline device was further utilized to investigate the role of band offset between the HTM and absorber layer. Results show that the device efficiency can be improved to 24% when the work function of HTM is reduced to 0.1 eV lower than the valence band edge of perovskite. Parametric studies were carried out to compare the feasibility of five different HTMs including spiro-OMeTAD, Cu2O, CuSCN, NiO, and CuI. Among them, NiO is the most promising candidate with a theoretical efficiency limit up to 27%. This work would serve as a modeling frame to simulate and interpret the performance of inverted PSCs and suggest further device optimization strategies. |
| Sponsorship | Advanced Energy Systems Division Solar Energy Division |
| File Format | |
| ISBN | 9780791851418 |
| DOI | 10.1115/ES2018-7227 |
| Volume Number | ASME 2018 12th International Conference on Energy Sustainability |
| Conference Proceedings | ASME 2018 12th International Conference on Energy Sustainability collocated with the ASME 2018 Power Conference and the ASME 2018 Nuclear Forum |
| Language | English |
| Publisher Date | 2018-06-24 |
| Publisher Place | Lake Buena Vista, Florida, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Solar cells Work function (physics) Simulation Electrical properties Modeling Optimization |
| Content Type | Text |
| Resource Type | Article |
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