High-efficiency robust perovskite solar cells on ultrathin flexible substrates

By Yaowen Li, L. Meng, Yang Yang, Guiying Xu, Z. Hong, Qi Chen, Jingbi You, Gang Li, Yongfang Li. Nature Communications, 2016

594 citations recorded by the source corpus.

Wide applications of personal consumer electronics have triggered tremendous need for portable power sources featuring light-weight and mechanical flexibility. Perovskite solar cells offer a compelling combination of low-cost and high device performance. Here we demonstrate high-performance planar heterojunction perovskite solar cells constructed on highly flexible and ultrathin silver-mesh/conducting polymer substrates. The device performance is comparable to that of their counterparts on rigid glass/indium tin oxide substrates, reaching a power conversion efficiency of 14.0%, while the specific power (the ratio of power to device weight) reaches 1.96 kW kg−1, given the fact that the device is constructed on a 57-μm-thick polyethylene terephthalate based substrate. The flexible device also demonstrates excellent robustness against mechanical deformation, retaining >95% of its original efficiency after 5,000 times fully bending. Our results confirmed that perovskite thin films are fully compatible with our flexible substrates, and are thus promising for future applications in flexible and bendable solar cells. Most efficiency values of flexible devices lag behind those on rigid substrates. Here, Li et al. fabricate a flexible perovskite solar cell on a silver-mesh/conducting polymer and demonstrate a power conversion efficiency of 14% and greater than 95% of its original efficiency after 5,000 times bending.

Subfields: Electrical and Electronic Engineering, Materials Chemistry, Polymers and Plastics

View Paper: https://www.semanticscholar.org/paper/de1f355c223d244ec85a2241d32c8cc822d370fb

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Electrical and Electronic Engineering

1. Wei Huang
2. Peter D. Lund
3. Jun Zhang
4. Haichao Wang
5. Yonghua Chen
6. Muhammad Imran Asghar

In Materials Chemistry

1. Wei Huang
2. Peter D. Lund
3. Jun Zhang
4. Haichao Wang
5. Yonghua Chen
6. Muhammad Imran Asghar

In Polymers and Plastics

1. Wei Huang
2. Peter D. Lund
3. Jun Zhang
4. Haichao Wang
5. Yonghua Chen
6. Muhammad Imran Asghar

Citations in the corpus

• A study on utilizing different metals as the back contact of CH3NH3PbI3 perovskite solar cells (2016, unknown): “…Ag mesh in PET (4.3eV)/PH1000(5.08eV) PEDOT:PSS Al/PCBM/CH3NH3PbI3/PEDOT:PSS/PH1000/Agme sh/PET 14 Checked for 500h:13.5% to 12% Y. Li et al (2016)7 AgAl alloy Spiro-OMeTAD FTO/ TiO2/CH3NH3PbI3–xClx/ SpiroOMeTAD 11.07 ____ Y. Luo et al (2015)15 Ni Spiro-OMeTAD…”
• Flexible, transparent nanocellulose paper-based perovskite solar cells (2019, background): “As a heavy metal, lead is known to be a significant hazard to the environment and human health.(41) We are working on new Fig.”