ORCID Profile
0000-0001-6424-9962
Current Organisation
Huazhong University of Science and Technology
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Publisher: Elsevier BV
Date: 03-2014
Publisher: Wiley
Date: 15-03-2023
Abstract: Due to the low cost and excellent potential for mass production, printable mesoscopic perovskite solar cells (p‐MPSCs) have drawn a lot of attention among other device structures. However, the low open‐circuit voltage ( V OC ) of such devices restricts their power conversion efficiency (PCE). This limitation is brought by the high defect density at perovskite grain boundaries in the mesoporous scaffold, which results in severe nonradiative recombination and is detrimental to the V OC . To improve the perovskite crystallization process, passivate the perovskite defects, and enhance the PCE, additive engineering is an effective way. Herein, a polymeric Lewis base polysuccinimide (PSI) is added to the perovskite precursor solution as an additive. It improves the perovskite crystallinity and its carbonyl groups strongly coordinate with Pb 2+ , which can effectively passivate defects. Additionally, compared with its monomer, succinimide (SI), PSI serves as a better defect passivator because the long‐chained macromolecule can be firmly anchored on those defect sites and form a stronger interaction with perovskite grains. As a result, the ch ion device has a PCE of 18.84%, and the V OC rises from 973 to 1030 mV. This study offers a new strategy for fabricating efficient p‐MPSCs.
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D1SC07269B
Abstract: Interface instability of emerging nonfullerene organic solar cells has been discussed, with respect to the phenomena, mechanism of interfacial reactions and strategies proposed to improve the interfacial stability of devices.
Publisher: American Chemical Society (ACS)
Date: 11-01-2018
DOI: 10.1021/JACS.7B10739
Abstract: The environmental toxicity of Pb in organic-inorganic hybrid perovskite solar cells remains an issue, which has triggered intense research on seeking alternative Pb-free perovskites for solar applications. Halide perovskites based on group-VA cations of Bi
Publisher: Royal Society of Chemistry (RSC)
Date: 2017
DOI: 10.1039/C7TA02317K
Abstract: High performance n–i–p type planar heterojunction PSCs with eliminated hysteresis and stabilized power output over 20% via compositional and surface modifications to a low-temperature-processed TiO 2 electron-transport layer (ETL) is reported.
Publisher: American Chemical Society (ACS)
Date: 04-08-2015
Abstract: Semitransparent solar cells are highly attractive for application as power-generating windows. In this work, we present semitransparent perovskite solar cells that employ conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) ( PSS) film as the transparent counter electrode. The PSS electrode is prepared by transfer lamination technique using plastic wrap as the transfer medium. The use of the transfer lamination technique avoids the damage of the CH3NH3PbI3 perovskite film by direct contact of PSS aqueous solution. The semitransparent perovskite solar cells yield a power conversion efficiency of 10.1% at an area of about 0.06 cm(2) and 2.9% at an area of 1 cm(2). The device structure and the fabrication technique provide a facile way to produce semitransparent perovskite solar cells.
Publisher: Springer Science and Business Media LLC
Date: 05-11-2020
DOI: 10.1007/S40820-020-00546-7
Abstract: Wearable self-powered systems integrated with energy conversion and storage devices such as solar-charging power units arouse widespread concerns in scientific and industrial realms. However, their applications are h ered by the restrictions of unbefitting size matching between integrated modules, limited tolerance to the variation of input current, reliability, and safety issues. Herein, flexible solar-charging self-powered units based on printed Zn-ion hybrid micro-capacitor as the energy storage module is developed. Unique 3D micro-/nano-architecture of the biomass kelp-carbon combined with multivalent ion (Zn 2+ ) storage endows the aqueous Zn-ion hybrid capacitor with high specific capacity (196.7 mAh g −1 at 0.1 A g −1 ). By employing an in-plane asymmetric printing technique, the fabricated quasi-solid-state Zn-ion hybrid micro-capacitors exhibit high rate, long life and energy density up to 8.2 μWh cm −2 . After integrating the micro-capacitor with organic solar cells, the derived self-powered system presents outstanding energy conversion/storage efficiency ( η overall = 17.8%), solar-charging cyclic stability (95% after 100 cycles), wide current tolerance, and good mechanical flexibility. Such portable, wearable, and green integrated units offer new insights into design of advanced self-powered systems toward the goal of developing highly safe, economic, stable, and long-life smart wearable electronics.
Publisher: American Chemical Society (ACS)
Date: 20-10-2016
Publisher: Royal Society of Chemistry (RSC)
Date: 2017
DOI: 10.1039/C7TA01593C
Abstract: Here, a low-temperature solution-processed nickel oxide (NiO x ) thin film was first employed as a hole transport layer in both inverted (p-i-n) planar and regular (n-i-p) mesoscopic organic–inorganic hybrid perovskite solar cells (PVSCs).
No related grants have been discovered for Yinhua Zhou.