Interfacial passivation of wide-bandgap perovskite solar cells and tandem solar cells

2021 ◽  
Vol 9 (38) ◽  
pp. 21939-21947
Author(s):  
Rui Xia ◽  
Yibo Xu ◽  
Bingbing Chen ◽  
Hiroyuki Kanda ◽  
Marius Franckevičius ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Wide Bandgap ◽  
Open Circuit ◽  
Tandem Solar Cells ◽  
Open Circuit Voltages

Stable wide bandgap (1.698 eV) perovskite devices achieving efficiencies of 19.67%, and open circuit voltages (Voc) above 1.2 V, and their integration into tandem n-i-p top perovskite silicon cells with 24% PCE for.

scholarly journals Efficient wide-bandgap perovskite solar cells enabled by doping a bromine-rich molecule

Nanophotonics ◽  
2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Rui He ◽  
Tingting Chen ◽  
Zhipeng Xuan ◽  
Tianzhen Guo ◽  
Jincheng Luo ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Performance ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Wide Bandgap ◽  
Open Circuit ◽  
Transport Layer ◽  
Electron Transport Layer ◽  
Tandem Solar Cells ◽  
Carrier Lifetimes

Abstract Wide-bandgap (wide-E g , ∼1.7 eV or higher) perovskite solar cells (PSCs) have attracted extensive attention due to the great potential of fabricating high-performance perovskite-based tandem solar cells via combining with low-bandgap absorbers, which is considered promising to exceed the Shockley–Queisser efficiency limit. However, inverted wide-E g PSCs with a minimized open-circuit voltage (V oc) loss, which are more suitable to prepare all-perovskite tandem devices, are still lacking study. Here, we report a strategy of adding 1,3,5-tris (bromomethyl) benzene (TBB) into wide-E g perovskite absorber to passivate the perovskite film, leading to an enhanced average V oc. Incorporation of TBB prolongs carrier lifetimes in wide-E g perovskite due to reduction of defects in perovskites and makes a better energy level matching between perovskite absorber and electron transport layer. As a result, we achieve the power conversion efficiency of 17.12% for our inverted TBB-doped PSC with an enhanced V oc of 1.19 V, compared with that (16.14%) for the control one (1.14 V).

Wide-Bandgap Organic-Inorganic Hybrid and All-Inorganic Perovskite Solar Cells and their Application in All-Perovskite Tandem Solar Cells

2021 ◽  
Author(s):  
Rui He ◽  
Shengqiang Ren ◽  
Cong Chen ◽  
Zongjin Yi ◽  
Yi Luo ◽  
...  
Keyword(s):  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Rapid Development ◽  
Power Conversion ◽  
Perovskite Solar Cells ◽  
Wide Bandgap ◽  
Tandem Solar Cells ◽  
Inorganic Hybrid ◽  
The Past

The past decade has witnessed rapid development of perovskite solar cells (PSCs), the record power conversion efficiency (PCE) of which has been rapidly boosted from the initial 3.8% to a...

Ladder-type dithienocyclopentadibenzothiophene-cored wide-bandgap polymers for efficient non-fullerene solar cells with large open-circuit voltages

2019 ◽  
Vol 7 (7) ◽  
pp. 3307-3316 ◽  
Author(s):  
Qisheng Tu ◽  
Changquan Tang ◽  
Qingdong Zheng
Keyword(s):  
Solar Cells ◽  
Polymer Solar Cells ◽  
Wide Bandgap ◽  
Open Circuit ◽  
Open Circuit Voltages ◽  
Excellent Stability

Novel wide-bandgap copolymers based on ladder-type dithienocyclopentadibenzothiophene were developed for polymer solar cells with 9.46% efficiency and excellent stability.

scholarly journals Perovskite Solar Cells: Record Open‐Circuit Voltage Wide‐Bandgap Perovskite Solar Cells Utilizing 2D/3D Perovskite Heterostructure (Adv. Energy Mater. 21/2019)

2019 ◽  
Vol 9 (21) ◽  
pp. 1970079 ◽  
Author(s):  
Saba Gharibzadeh ◽  
Bahram Abdollahi Nejand ◽  
Marius Jakoby ◽  
Tobias Abzieher ◽  
Dirk Hauschild ◽  
...  
Keyword(s):  
Solar Cells ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Wide Bandgap ◽  
Open Circuit ◽  
Energy Mater

scholarly journals How to Report Record Open‐Circuit Voltages in Lead‐Halide Perovskite Solar Cells

2019 ◽  
Vol 10 (1) ◽  
pp. 1902573 ◽  
Author(s):  
Lisa Krückemeier ◽  
Uwe Rau ◽  
Martin Stolterfoht ◽  
Thomas Kirchartz
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Halide Perovskite ◽  
Open Circuit Voltages ◽  
Lead Halide

scholarly journals Development of Thin Film Amorphous Silicon Tandem Junction Based Photocathodes Providing High Open-Circuit Voltages for Hydrogen Production

2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
F. Urbain ◽  
K. Wilken ◽  
V. Smirnov ◽  
O. Astakhov ◽  
A. Lambertz ◽  
...  
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Hydrogen Production ◽  
Amorphous Silicon ◽  
Open Circuit ◽  
Direct Application ◽  
Photoelectrochemical Cell ◽  
Halogen Lamp ◽  
Tandem Solar Cells ◽  
Open Circuit Voltages

Hydrogenated amorphous silicon thin film tandem solar cells (a-Si:H/a-Si:H) have been developed with focus on high open-circuit voltages for the direct application as photocathodes in photoelectrochemical water splitting devices. By temperature variation during deposition of the intrinsic a-Si:H absorber layers the band gap energy of a-Si:H absorber layers, correlating with the hydrogen content of the material, can be adjusted and combined in a way that a-Si:H/a-Si:H tandem solar cells provide open-circuit voltages up to 1.87 V. The applicability of the tandem solar cells as photocathodes was investigated in a photoelectrochemical cell (PEC) measurement set-up. With platinum as a catalyst, the a-Si:H/a-Si:H based photocathodes exhibit a high photocurrent onset potential of 1.76 V versus the reversible hydrogen electrode (RHE) and a photocurrent of 5.3 mA/cm2at 0 V versus RHE (under halogen lamp illumination). Our results provide evidence that a direct application of thin film silicon based photocathodes fulfills the main thermodynamic requirements to generate hydrogen. Furthermore, the presented approach may provide an efficient and low-cost route to solar hydrogen production.

scholarly journals Open-Circuit Voltages Exceeding 1.26 V in Planar Methylammonium Lead Iodide Perovskite Solar Cells

2018 ◽  
Vol 4 (1) ◽  
pp. 110-117 ◽  
Author(s):  
Zhifa Liu ◽  
Lisa Krückemeier ◽  
Benedikt Krogmeier ◽  
Benjamin Klingebiel ◽  
José A. Márquez ◽  
...  
Keyword(s):  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Open Circuit ◽  
Lead Iodide ◽  
Methylammonium Lead Iodide ◽  
Open Circuit Voltages

High-performance wide-bandgap copolymers with dithieno[3,2-b:2′,3′-d]pyridin-5(4H)-one units

2019 ◽  
Vol 3 (3) ◽  
pp. 399-402 ◽  
Author(s):  
Yaxin Gao ◽  
Dan Li ◽  
Zuo Xiao ◽  
Xin Qian ◽  
Junliang Yang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
High Performance ◽  
Power Conversion ◽  
Wide Bandgap ◽  
Open Circuit ◽  
Conversion Efficiencies ◽  
Open Circuit Voltages

Dithieno[3,2-b:2′,3′-d]pyridin-5(4H)-one-based wide-bandgap copolymers gave high open-circuit voltages and decent power conversion efficiencies in nonfullerene organic solar cells.

Fabrication and Characterization of Air-Stable Organic-Inorganic Bismuth-Based Perovskite Solar Cells

MRS Advances ◽  
2018 ◽  
Vol 3 (51) ◽  
pp. 3085-3090 ◽  
Author(s):  
S. Sanders ◽  
D. Stümmler ◽  
P. Pfeiffer ◽  
N. Ackermann ◽  
G. Simkus ◽  
...  
Keyword(s):  
Solar Cells ◽  
Open Circuit Voltage ◽  
Perovskite Solar Cells ◽  
Ambient Air ◽  
Open Circuit ◽  
Bismuth Iodide ◽  
Organometal Halide Perovskite ◽  
The Impact ◽  
Open Circuit Voltages

Abstract:Pb-based organometal halide perovskite solar cells have passed the threshold of 20 % power conversion efficiency (PCE). However, the main issues hampering commercialization are toxic Pb contained in these cells and their instability in ambient air. Therefore, great attention is devoted to replace Pb by Sn or Bi, which are less harmful and - in the case of Bi - also expected to yield enhanced stability. In literature, the most efficient hybrid organic-inorganic methylammonium bismuth iodide (MBI) perovskite solar cells reach PCE up to 0.2 %. In this work, we present spin-coated MBI perovskite solar cells and highlight the impact of the concentration of the perovskite solution on the layer morphology and photovoltaic (PV) characteristics. The solar cells exhibit open-circuit voltages of 0.73 V, which is the highest value published for this type of solar cell. The PCE increases from 0.004 % directly after processing to 0.17 % after 48 h of storage in air. 300 h after exposure to air, the cells still yield 56 % of their peak PCE and 84 % of their maximum open-circuit voltage.

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