Polyamino acid interlayer facilitates electron extraction in narrow band gap fullerene-free organic solar cells with an outstanding short-circuit current Nano Energy, 50 ( 2018 ), pp. 169 - 175 View PDF View article View in Scopus Google Scholar
Learn MoreSolution-processed ZnO is commonly used as a charge-selective interlayer between an absorber and electrode in organic solar cells. In this work, the impact of the resistance of the sol–gel grown ZnO interlayer on solar cell performance is investigated. We find that the UV-induced doping effect leads to a sig
Learn MoreHis work focuses on cathode interlayer engineering of organic solar cells. Zhi-Guo Zhang received his Ph.D. degree from Wuhan University in 2009. During his doctoral studies, he spent two years at National University of Singapore in a joint Ph.D. program.
Learn MoreHere, the nanoscale distribution of surface energy (γs) is characterized by the PFQNM method. We demonstrate a strategy to tune the nanoscale HeD-SE at interlayers through incorporating MoS2 nanosheets, which modulate the morphology of BHJ, leading to optimization of charge recombination and extraction in the devices. …
Learn MoreOrganic solar cells (OSCs) based on non-fullerene acceptors have recently achieved high power conversion efficiencies over 19%, thus rapidly advancing third-generation photovoltaic technologies. Solution-processable organic interlayers, positioned between organic photoactive layers and metal electrodes, are essential to furnish optimal …
Learn More4 · Power conversion efficiencies, nearing the range of 17–18 %, have been accomplished in all-small molecule organic solar cells using narrow bandgap non …
Learn MoreIn situ removable (ISR) solid additive can employ cold sublimation process to optimize active layer morphology for organic solar cells (OSCs), thus remaining unique potential. Herein, a feasible guideline is proposed to discover a …
Learn MorePolyamino acid interlayer facilitates electron extraction in narrow band gap fullerene-free organic solar cells with an outstanding short-circuit current
Learn MoreFullerene-Free All-Small-Molecule Ternary Organic Solar Cells with Two Compatible Fullerene-Free Acceptors and a Coumarin Donor Enabling a Power …
Learn MoreIn this communication, we present a study to investigate interfacial characteristics modulated by electron extraction layers (EEL) comprising of a polyamino …
Learn MoreIn this work, a perylene bisimide (PBI) based electrolyte PDIN-TEMPO pendent with a stable radical 2,2,6,6-tetramethylpiperidine 1-oxyl (TEMPO) has been synthesized and used as a cathode interlayer (CIL) in organic …
Learn MoreIn perovskite solar cells, the interfaces between the perovskite and charge-transporting layers contain high concentrations of defects (about 100 times that within the perovskite layer ...
Learn MorePolymer solar cells (PSCs) based on non-fullerene acceptors have the advantages of synthetic versatility, strong absorption ability, and high thermal stability. These characteristics result in impressive power conversion efficiency values, but to further push both the performance and the stability of PSCs, the insertion of appropriate interlayers in …
Learn MoreInterlayers play a vital role in achieving high efficiency and stability of organic solar cells (OSCs). Zinc oxide (ZnO) has been widely used as an electron transport layer (ETL) in inverted OSCs; however, its high structural defects and intrinsic photocatalytic nature toward nonfullerene acceptors limit its applications in OSCs. Herein, …
Learn MoreHerein, we demonstrate the co-optimization of power conversion efficiency (PCE) and air stability of the organic solar cells (OSCs) by free porphyrin-based buffer of zinc oxide (ZnO) cathode. By combining first-principle calculations and experimental measurements, we investigated the adsorption behaviors and working mechanism of free …
Learn MoreAdvanced Functional Materials, part of the prestigious Advanced portfolio and a top-tier materials science journal, publishes outstanding research across the field. A new type of cathode interlayer composed of 2,6-di-tert-butyl-phenol-functionalized perylene bisimide (PBI-2P) is successfully applied as an electron transporting layer for fused-ring …
Learn MoreEnhance the thermal stability of perylene diimide (PDIN) derivatives by quaternarization. • Fabrication of device with ZnO-free and low-temperature processable. • PDIN derivatives in inverted-type organic solar cells can substitute the …
Learn MoreAlthough a thin oxide interlayer alone cannot account for light absorption enhancement in the already optically optimized control cell, OSCs with an optimized ZnO interlayer is still beneficial for efficient device operation. The results in Fig. 1 reveal that OSCs with an appropriate ZnO interlayer (∼10 nm thick) permits a thinner active layer …
Learn MoreWe demonstrate a combined strategy of crosslinking and n-doping to develop a conductive, robust, and hydrophobic electron transporting layer c-NDI:PCy2 for highly stable and water-resistant OSCs. The c-NDI:PCy2 interlayer protects the OSC from external erosion factors, including heat, long-time illumination, and water ingress, and …
Learn MoreAlong with the inorganic interlayer, an efficient organic interlayer was also exploited. In Ref. [7], entitled "An N-type Naphthalene Diimide Ionene Polymer as Cathode Interlayer for Organic Solar ...
Learn MoreInverted polymer solar cells with a bottom metal cathode modified by a conjugated polymer interlayer show considerable improvement of photocurrent and fill factor, which is due to hole blocking at the interlayer, and a modified surface energy which affects the nanostructure in the TQ1/[70]PCBM blend.
Learn More5 · A water-solution-processed hybrid electron transport layer (ETL) is developed, significantly enhancing both the efficiency and stability of inverted structure organic solar …
Learn MoreDOI: 10.1039/C9TC01039D Corpus ID: 182753894 Cathode interlayer-free organic solar cells with enhanced device performance upon alcohol treatment @article{Chen2019CathodeIO, title={Cathode interlayer-free organic solar cells with enhanced device performance upon alcohol treatment}, author={Xuebin Chen and Bei …
Learn MoreBarrier-free (Ohmic) contacts are a key requirement for efficient organic optoelectronic devices, such as organic light-emitting diodes, solar cells, and field-effect transistors. Here, we propose ...
Learn MoreWe report on bulk-heterojunction (BHJ) organic photovoltaics (OPVs) based on the self-assembled monolayer (SAM) 2PACz as a hole-selective interlayer functionalized directly onto the indium tin oxide (ITO) anode. The 2PACz is found to change the work function of ITO while simultaneously affecting the morphology of the BHJ …
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