Brookite TiO2 as a low-temperature solution-processed mesoporous layer for hybrid perovskite solar cells

2015 ◽  
Vol 3 (42) ◽  
pp. 20952-20957 ◽  
Author(s):  
Atsushi Kogo ◽  
Yoshitaka Sanehira ◽  
Masashi Ikegami ◽  
Tsutomu Miyasaka
Keyword(s):  
Solar Cells ◽  
Fill Factor ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Solution Process ◽  
Open Circuit ◽  
Free Solution ◽  
Crystalline Layer ◽  
Hybrid Perovskite ◽  
Temperature Solution

A highly crystalline layer of brookite TiO2 was prepared by a sinter-free solution process (<150 °C) as an efficient mesoporous electron collector for perovskite solar cells. In comparison with anatase TiO2 mesostructure, higher open-circuit voltage and fill factor are obtained.

Dual Interfacial Modifications Enable High Performance Semitransparent Perovskite Solar Cells with Large Open Circuit Voltage and Fill Factor

2016 ◽  
Vol 7 (9) ◽  
pp. 1602333 ◽  
Author(s):  
Qifan Xue ◽  
Yang Bai ◽  
Meiyue Liu ◽  
Ruoxi Xia ◽  
Zhicheng Hu ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Fill Factor ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit

Voltage output of efficient perovskite solar cells with high open-circuit voltage and fill factor

2014 ◽  
Vol 7 (8) ◽  
pp. 2614-2618 ◽  
Author(s):  
Seungchan Ryu ◽  
Jun Hong Noh ◽  
Nam Joong Jeon ◽  
Young Chan Kim ◽  
Woon Seok Yang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Energy Level ◽  
Fill Factor ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Solar Absorber ◽  
Voltage Output ◽  
Hole Transporting ◽  
Hole Transporting Materials

The voltage output of perovskite solar cells is found to be dependent on both the energy level of perovskite itself as a solar absorber and hole transporting materials.

Large fill-factor bilayer iodine perovskite solar cells fabricated by a low-temperature solution-process

2014 ◽  
Vol 7 (7) ◽  
pp. 2359-2365 ◽  
Author(s):  
Qi Wang ◽  
Yuchuan Shao ◽  
Qingfeng Dong ◽  
Zhengguo Xiao ◽  
Yongbo Yuan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Low Temperature ◽  
Fill Factor ◽  
Perovskite Solar Cells ◽  
Solution Process ◽  
Device Performance ◽  
Film Morphology ◽  
Temperature Solution ◽  
Precursor Ratio

This work studied the influence of the methylammonium iodide/lead iodine precursor ratio on the perovskite film morphology and device performance.

Universal energy level tailoring of self-organized hole extraction layers in organic solar cells and organic–inorganic hybrid perovskite solar cells

2016 ◽  
Vol 9 (3) ◽  
pp. 932-939 ◽  
Author(s):  
Kyung-Geun Lim ◽  
Soyeong Ahn ◽  
Young-Hoon Kim ◽  
Yabing Qi ◽  
Tae-Woo Lee
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Open Circuit Voltage ◽  
Power Conversion ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Inorganic Hybrid ◽  
Self Organized ◽  
Hybrid Perovskite ◽  
Device Lifetime

Tailoring the interface energetics between a polymeric hole extraction layer (HEL) and a photoactive layer (PAL) in organic photovoltaics (OPVs) and organic–inorganic hybrid perovskite solar cells (PrSCs) is very important to maximize open circuit voltage (Voc), power conversion efficiency (PCE), and device lifetime.

scholarly journals Transient Optoelectronic Analysis of the Impact of Material Energetics and Recombination Kinetics on the Open-Circuit Voltage of Hybrid Perovskite Solar Cells

2017 ◽  
Vol 121 (25) ◽  
pp. 13496-13506 ◽  
Author(s):  
Scot Wheeler ◽  
Daniel Bryant ◽  
Joel Troughton ◽  
Thomas Kirchartz ◽  
Trystan Watson ◽  
...  
Keyword(s):  
Solar Cells ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Hybrid Perovskite ◽  
The Impact ◽  
Recombination Kinetics

scholarly journals Room-Temperature-Processed Amorphous Sn-In-O Electron Transport Layer for Perovskite Solar Cells

Materials ◽  
2019 ◽  
Vol 13 (1) ◽  
pp. 32 ◽  
Author(s):  
Seungtae Baek ◽  
Jeong Woo Han ◽  
Devthade Vidyasagar ◽  
Hanbyeol Cho ◽  
Hwi-Heon HA ◽  
...  
Keyword(s):  
Thin Films ◽  
Solar Cells ◽  
Electron Transport ◽  
Room Temperature ◽  
Fill Factor ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Transport Layer ◽  
Electron Transport Layer

We report amorphous tin-indium-oxide (TIO, Sn fraction: >50 atomic percentage (at%)) thin films as a new electron transport layer (ETL) of perovskite solar cells (PSCs). TIO thin films with Sn fraction of 52, 77, 83, 92, and 100 at% were grown on crystalline indium-tin-oxide (ITO, Sn fraction: ~10 at%) thin films, a common transparent conducting oxide, by co-sputtering In2O3 and SnO2 at room temperature. The energy band structures of the amorphous TIO thin films were determined from the optical absorbance and the ultraviolet photoelectron spectra. All the examined compositions are characterized by a conduction band edge lying between that of ITO and that of perovskite (here, methylammonium lead triiodide), indicating that TIO is a potentially viable ETL of PSCs. The photovoltaic characteristics of the TIO-based PSCs were evaluated. Owing mainly to the highest fill factor and open circuit voltage, the optimal power conversion efficiency was obtained for the 77 at%-Sn TIO ETL with TiCl4 treatment. The fill factor and the open circuit voltage changes with varying the Sn fraction, despite similar conduction band edges. We attribute these differences to the considerable changes in the electrical resistivity of the TIO ETL. This would have a significant effect on the shunt and/or the series resistances. The TIO ETL can be continuously grown on an ITO TCO in a chamber, as ITO and TIO are composed of identical elements, which would help to reduce production time and costs.

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