Search results for: Furui Tan

Items from 1 to 20 out of 52 results

article

Asymmetric Π‐Bridge Engineering Enables High‐Permittivity Benzo[1,2‐B:4,5‐b′]Difuran‐Conjugated Polymer for Efficient Organic Solar Cells

Yueyue Gao, Zuo Xiao, Minghuan Cui, Makhsud I. Saidaminov, more

Organic solar cells (OSCs) exhibit complex charge dynamics, which are closely correlated with the dielectric constant (ɛ_r) of photovoltaic materials. In this work, a series of novel conjugated copolymers based on benzo[1,2‐b:4,5‐b′]difuran (BDF) and benzotriazole (BTz) is designed and synthesized, which differ by the nature of π‐bridge from one another. The PBDF‐TF‐BTz with asymmetric furan and thiophene...

article

High‐Throughput Exploration of Triple‐Cation Perovskites via All‐in‐One Compositionally‐Graded Films

Shahram Moradi, Soumya Kundu, Muhammad Awais, Yuki Haruta, more

Small > 19 > 42 > n/a - n/a

Many devices heavily rely on combinatorial material optimization. However, new material alloys are classically developed by studying only a fraction of giant chemical space, while many intermediate compositions remain unmade in light of the lack of methods to synthesize gapless material libraries. Here report a high‐throughput all‐in‐one material platform to obtain and study compositionally‐tunable...

article

Blade‐Coated Carbon Electrode Perovskite Solar Cells to Exceed 20% Efficiency Through Protective Buffer Layers

Yaqing Li, Xiayao Lu, Yantao Mei, Chen Dong, more

Advanced Functional Materials > 33 > 34 > n/a - n/a

Perovskite solar cells with carbon electrode have a commercial impact because of their facile scalability, low‐cost, and stability. In these devices, it remains a challenge to design an efficient hole transport layer (HTL) for robust interfacing with perovskite on one side and carbon on another. Herein, an organic/inorganic double planar HTL is constructed based on polythiophene (P3HT) and nickel...

article

Efficient Organic Solar Cells Enabled by Simple Non‐Fused Electron Donors with Low Synthetic Complexity

Yueyue Gao, Minghuan Cui, Shengchun Qu, Huaping Zhao, more

Small > 18 > 3 > n/a - n/a

Fused‐ring electron donors boost the efficiency of organic solar cells (OSCs), but they suffer from high cost and low yield for their large synthetic complexity (SC > 30%). Herein, the authors develop a series of simple non‐fused‐ring electron donors, PF1 and PF2, which alternately consist of furan‐3‐carboxylate and 2,2′‐bithiophene. Note that PF1 and PF2 present very small SC of 9.7% for their...

article

Dual Coordination of Ti and Pb Using Bilinkable Ligands Improves Perovskite Solar Cell Performance and Stability

Furui Tan, Makhsud I. Saidaminov, Hairen Tan, James Z. Fan, more

Advanced Functional Materials > 30 > 45 > n/a - n/a

Charge recombination due to interfacial defects is an important source of loss in perovskite solar cells. Here, a two‐sided passivation strategy is implemented by incorporating a bilinker molecule, thiophene‐based carboxylic acid (TCA), which passivates defects on both the perovskite side and the TiO₂ side of the electron‐extracting heterojunction in perovskite solar cells. Density functional theory...

article

Fe doping enhances ferromagnetism in MgTiO₃ films

Hui Zhao, Huiping Gao, Jianjun Tian, Furui Tan, more

Journal of Materials Science: Materials in Electronics > 2019 > 30 > 11 > 10499- 10506

MgTiO₃ films with different Fe concentrations were grown on silicon wafers using chemical solutions. These films have hexagonal structures with R-3 space groups as measured via X-ray diffraction analysis. The lattice constant a increases from 5.0508 to 5.0577 Å and the lattice constant c increases from 13.8882 to 13.9108 Å as the Fe concentration increases from 0.00 to 0.07. The handled ellipsometric...

article

In Situ Back‐Contact Passivation Improves Photovoltage and Fill Factor in Perovskite Solar Cells

Furui Tan, Hairen Tan, Makhsud I. Saidaminov, Mingyang Wei, more

Advanced Materials > 31 > 14 > n/a - n/a

Organic–inorganic hybrid perovskite solar cells (PSCs) have seen a rapid rise in power conversion efficiencies in recent years; however, they still suffer from interfacial recombination and charge extraction losses at interfaces between the perovskite absorber and the charge–transport layers. Here, in situ back‐contact passivation (BCP) that reduces interfacial and extraction losses between the perovskite...

article

Hierarchical Porous N‐Doped Carbon Nanosheets Obtained by Organic–Inorganic Bipolymeric Engineering for Improved Lithium–Sulfur Batteries

Xiaojing Fan, Furui Tan, Fancheng Meng, Jiehua Liu

Chemistry – A European Journal > 25 > 16 > 4040 - 4046

A new route for obtaining N‐doped carbon nanosheets through an in situ solid‐state thermal organic–inorganic polymerization and carbonization method, with glucose and melamine as precursors, due to different temperature intervals for glucose or melamine polymerization, is reported. At a current rate of 0.2 C, as a cathode for a lithium–sulfur cell, the N‐doped carbon nanosheet/sulfur hybrid delivers...

article

Highly Efficient Quasi-Solid-State Asymmetric Supercapacitors Based on MoS₂/MWCNT and PANI/MWCNT Composite Electrodes

Bing Cheng, Renzhi Cheng, Furui Tan, Xiansheng Liu, more

Nanoscale Research Letters > 2019 > 14 > 1 > 1-12

Molybdenum disulfide (MoS₂) and polyaniline (PANI) electrodes were decorated with multi-walled carbon nanotubes (MWCNTs) on the basis of a facial hydrothermal and in situ polymerization methods and served in the asymmetric supercapacitor (ASC). The MoS₂ and MWCNTs with a mole ratio of 1:1 in MoS₂|MWCNTs electrode exhibited better electrochemical properties through extensive electrochemical studies,...

article

Tuning optical and magnetic properties of nanocrystalline BaTiO₃ films by Fe doping

Huiping Gao, Jianjun Tian, Furui Tan, Haiwu Zheng, more

Applied Physics A > 2018 > 124 > 12 > 1-8

Fe-doped BaTiO₃ is a promising multiferroics material due to its appealing physical properties and potential applications in sensors, transducers and non-volatile memories and multilayer capacitors. Herein, Fe-doped BaTiO₃ nanocrystalline films were deposited on silicon substrates by chemical solution route. The relation between Fe content and the optical and magnetic properties of the samples was...

article

UV Treatment of Low-Temperature Processed SnO₂ Electron Transport Layers for Planar Perovskite Solar Cells

Fumin Li, Mengqi Xu, Xingping Ma, Liang Shen, more

Nanoscale Research Letters > 2018 > 13 > 1 > 1-7

We report a new method as UV treatment of low-temperature processed to obtain tin oxide (SnO₂) electron transport layers (ETLs). The results show that the high quality of ETLs can be produced by controlling the thickness of the film while it is treated by UV. The thickness is dependent on the concentration of SnO₂. Moreover, the conductivity and transmittance of the layer are dependent on the quality...

article

Highly Efficient Inverted Perovskite Solar Cells with CdSe QDs/LiF Electron Transporting Layer

Furui Tan, Weizhe Xu, Xiaodong Hu, Ping Yu, more

Nanoscale Research Letters > 2017 > 12 > 1 > 1-7

Organic/inorganic hybrid perovskite solar cell has emerged as a very promising candidate for the next generation of near-commercial photovoltaic devices. Here in this work, we focus on the inverted perovskite solar cells and have found that remarkable photovoltaic performance could be obtained when using cadmium selenide (CdSe) quantum dots (QDs) as electron transporting layer (ETL) and lithium fluoride...

article

Fabrication of Ag2S quantum dots decorated TiO2 nanorod arrays for organic/inorganic hybrid solar cells

Xiaodong Hu, Weizhe Xu, Chong Chen, Furui Tan, more

Materials Letters > 2017 > 204 > C > 125-128

Core/shell shaped nanorod arrays with type-II band alignment heterojunction is a promising nanobuilding block for efficient charge transfer at the interface. Here in this work, we have fabricated Ag₂S quantum dots decoration on surface of vertically aligned TiO₂ nanorod arrays. A modified two-step solution process is used to obtain uniform Ag₂S quantum dots shell that promotes exciton dissociation...

article

Large area flexible polymer solar cells with high efficiency enabled by imprinted Ag grid and modified buffer layer

Shudi Lu, Jie Lin, Kong Liu, Shizhong Yue, more

Acta Materialia > 2017 > 130 > C > 208-214

To take a full advantage of polymer semiconductors on realization of large-area flexible photovoltaic devices, herein, we fabricate polymer solar cells on the basis of polyethylene terephthalate (PET) with imprinted Ag grid as transparent electrode. The key fabrication procedure is the adoption of a modified PEDOT:PSS (PH1000) solution for spin-coating the buffer layer to form a compact contact with...

article

High efficiency CH3NH3PbI3:CdS perovskite solar cells with CuInS2 as the hole transporting layer

Chong Chen, Yong Zhai, Fumin Li, Furui Tan, more

Journal of Power Sources > 2017 > 341 > C > 396-403

The CH₃NH₃PbI₃:CdS composite films are prepared by a newly developed precursor blending solution method, which are further used to fabricate CH₃NH₃PbI₃:CdS perovskite solar cells. Our experimental results demonstrate that the introduced CdS effectively improves the light absorption property of the ITO/CuInS₂/Al₂O₃/CH₃NH₃PbI₃:CdS film stack and decreases the charge recombination in the prepared solar...

article

Efficient Organic/Inorganic Hybrid Solar Cell Integrating Polymer Nanowires and Inorganic Nanotetrapods

Weizhe Xu, Furui Tan, Xiansheng Liu, Weifeng Zhang, more

Nanoscale Research Letters > 2017 > 12 > 1 > 1-7

Constructing a highly efficient bulk-heterojunction is of critical importance to the hybrid organic/inorganic solar cells. Here in this work, we introduce a novel hybrid architecture containing P3HT nanowire and CdSe nanotetrapod as bicontinuous charge channels for holes and electrons, respectively. Compared to the traditionally applied P3HT molecules, the well crystallized P3HT nanowires qualify...

article

Efficient PbS QD solar cell with an inverted structure

Weizhe Xu, Furui Tan, Qing Liu, Xiansheng Liu, more

Solar Energy Materials and Solar Cells > 2017 > 159 > C > 503-509

Efficient PbS quantum dot (QD) solar cell with the traditional structure requires an inorganic buffer layer that is usually fabricated at high temperature, which is not compatible with the industrially preferential roll-to-roll fabrication process. Identification of a suitable buffer layer and efficient device construction are thus of particular significance. Herein, we fabricate PbS quantum dot solar...

article

Optical properties of Fe-doped BaTiO3 films deposited on quartz substrates by sol-gel method

Jianjun Tian, Huiping Gao, Weibing Deng, Haiwu Zheng, more

Journal of Alloys and Compounds > 2016 > 687 > C > 529-533

Fe-doped BaTiO₃ films were prepared on quartz substrates by sol-gel route. Linearly optical constants of the films were obtained by fitting transmittance spectra with Adachi’s model. With increasing Fe composition, refractive index n at 532 nm increases, single oscillator energy E_c and dispersion energy E_d increase, but optical band gap E_g decreases from 3.78 to 3.63 eV. In addition, nonlinear optical...

article

Photoelectrocatalytic microreactor for seawater decontamination with negligible chlorine generation

Ning Wang, Furui Tan, Chi Chung Tsoi, Xuming Zhang

Microsystem Technologies > 2017 > 23 > 10 > 4495-4500

Decontamination of seawater is of particular importance for the waste seawater treatment before its drainage. However, some mature methods to clean waste fresh water cannot be employed to treat waste seawater due to its high slat concentration. Besides, excessive chlorine generation during the seawater decontamination process is toxic for sea creatures. In this work, a microfluidic reactor is designed...

article

Wrinkled substrate and Indium Tin Oxide-free transparent electrode making organic solar cells thinner in active layer

Kong Liu, Shudi Lu, Shizhong Yue, Kuankuan Ren, more

Journal of Power Sources > 2016 > 331 > C > 43-49

To enable organic solar cells with a competent charge transport efficiency, reducing the thickness of active layer without sacrificing light absorption efficiency turns out to be of high feasibility. Herein, organic solar cells on wrinkled metal surface are designed. The purposely wrinkled Al/Au film with a smooth surface provides a unique scaffold for constructing thin organic photovoltaic devices...

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INFONA - science communication portal

Search results for: Furui Tan

Asymmetric Π‐Bridge Engineering Enables High‐Permittivity Benzo[1,2‐B:4,5‐b′]Difuran‐Conjugated Polymer for Efficient Organic Solar Cells

High‐Throughput Exploration of Triple‐Cation Perovskites via All‐in‐One Compositionally‐Graded Films

Blade‐Coated Carbon Electrode Perovskite Solar Cells to Exceed 20% Efficiency Through Protective Buffer Layers

Efficient Organic Solar Cells Enabled by Simple Non‐Fused Electron Donors with Low Synthetic Complexity

Dual Coordination of Ti and Pb Using Bilinkable Ligands Improves Perovskite Solar Cell Performance and Stability

Fe doping enhances ferromagnetism in MgTiO₃ films

In Situ Back‐Contact Passivation Improves Photovoltage and Fill Factor in Perovskite Solar Cells

Hierarchical Porous N‐Doped Carbon Nanosheets Obtained by Organic–Inorganic Bipolymeric Engineering for Improved Lithium–Sulfur Batteries

Highly Efficient Quasi-Solid-State Asymmetric Supercapacitors Based on MoS₂/MWCNT and PANI/MWCNT Composite Electrodes

Tuning optical and magnetic properties of nanocrystalline BaTiO₃ films by Fe doping

UV Treatment of Low-Temperature Processed SnO₂ Electron Transport Layers for Planar Perovskite Solar Cells

Highly Efficient Inverted Perovskite Solar Cells with CdSe QDs/LiF Electron Transporting Layer

Fabrication of Ag2S quantum dots decorated TiO2 nanorod arrays for organic/inorganic hybrid solar cells

Large area flexible polymer solar cells with high efficiency enabled by imprinted Ag grid and modified buffer layer

High efficiency CH3NH3PbI3:CdS perovskite solar cells with CuInS2 as the hole transporting layer

Efficient Organic/Inorganic Hybrid Solar Cell Integrating Polymer Nanowires and Inorganic Nanotetrapods

Efficient PbS QD solar cell with an inverted structure

Optical properties of Fe-doped BaTiO3 films deposited on quartz substrates by sol-gel method

Photoelectrocatalytic microreactor for seawater decontamination with negligible chlorine generation

Wrinkled substrate and Indium Tin Oxide-free transparent electrode making organic solar cells thinner in active layer

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