Journal
IEEE ELECTRON DEVICE LETTERS
Volume 38, Issue 9, Pages 1278-1281Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LED.2017.2735178
Keywords
Perovskite solar cell; cellulose paper substrate; electronics on paper; flexible; recyclable
Categories
Funding
- Departamento del Huila's Scholarship Program from Huila, Colombia [677]
- MIUR [PRIN 2012A4Z2RY]
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The first perovskite solar cell (PSC) fabricated directly on a paper substrate is here reported delivering a maximum power conversion efficiency of 2.7%. The paper PSCs (PPSC) were developed with a low-temperature paper/Au/SnO2/meso-TiO2/CH3NH3PbI3/Spiro-OMeTAD/MoOx/Au/MoOx architecture utilizing Au/SnO2 and MoOx/Au/MoOx stacks as electron- and hole- extracting electrodes respectively. The transparent MoOx/Au/MoOx electrode had a favourable combination of transmittance (62.5%) and sheet resistance (9 Omega/square). By comparing performance of cells on paper with those fabricated on glass and plastic films with different electrodes, we identify avenues to guide future improvements. All deposition processes are scalable and compatible with large area printing or evaporation technologies. Paper represents a lightweight, flexible, inexpensive, ubiquitous, and environmentally friendly cellulosic material, paving the way for integrating perovskite technology with other electronic components as well as for the development of independent light-harvesting photovoltaic devices on recyclable and low-cost cellulose paper substrates.
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