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| 1 | A two-terminal all-inorganic perovskite/organic tandem solar cell显示文摘Organic-inorganic lead halide perovskite solar cells(PSCs)have been marching rapidly in recent years with power conversion efficiency(PCE)boosting from 3.8%to 24.2%(NREL Best Research-Cell Efficiency Chart,http://gffzz8798726073dc471cspbf6ucwc9wqn6qxo.ffgz.tsg.suse.edu.cn/pv/cell-effi ciency.html,Accessed April 2019).However,these solar cells are not stable at high temperatures due to volatile organic cations[1].Allinorganic perovskites with cesium cation like CsPbI1-xBrx present high thermal stabilities[2].By partially replacing I-with Br-,the bandgap for CsPbI1-xBrx can be tuned from 1.73 to 2.36 eV. | Qiang Zeng Ling Liu Zuo Xiao Fangyang Liu Yong Hua Yongbo Yuan Liming Ding | 2019 | Science Bulletin2019，64，13： | 10 |
| 2 | Stability improvement under high efficiency—next stage development of perovskite solar cells显示文摘With efficiency of perovskite solar cells(PSCs) overpassing 23%, to realize their commercialization, the biggest challenge now is to boost the stability to the same level as conventional solar cells. Thus, tremendous effort has been directed over the past few years toward improving the stability of these cells. Various methods were used to improve the stability of bulk perovskites,including compositional engineering, interface adjustment, dimensional manipulation, crystal engineering, and grain boundary decoration. Diverse device configurations, carrier transporting layers, and counter electrodes are investigated. To compare the stability of PSCs and clarify the degradation mechanism, diverse characterization methods were developed. Overall stability of PSCs has become one central topic for the development of PSCs. In this review, we summarize the state-of-the-art progress on the improvement of device stability and discuss the directions for future research, hoping it provides an overview of the current status of the research on the stability of PSCs and guidelines for future research. | Danni Yu Yue Hu Jiangjian Shi Haoying Tang Wenhao Zhang Qingbo Meng Hongwei Han Zhijun Ning He Tian | 2019 | Science China Chemistry2019，62，6： | 7 |
| 3 | Advances in dye-sensitized solar cell显示文摘THE conversion of visible light to electricity using semiconductors as light absorbers has beenan important area of research for many years. In the 1970s, highly efficient photovoltaiccells based on silicon were developed (the light-to-electrical conversion efficiency≥25%),which provides energy to aircrafts. Then semiconductor liquid-junction photoelectrochemicalcell started to be investigated. Generally speaking, highly efficient liquid-junction photoelec-trochemical solar cells can be obtained by using semiconductors such as Si, GaAs and WSe.(band gap≈(1.3±0.3) eV). Conversion efficiencies over 15% have been acquired on solarcells consisting of single crystals of Si or GaAs. But the serious photocorrosion and high | Jing, BW Zhang, MH Shen, T | 1997 | Chinese Science Bulletin1997，42，23： | 6 |
| 4 | 局部阴影条件下光伏阵列旁路二极管和阻塞二极管的影响和作用显示文摘本文通过分析局部阴影条件下,光伏阵列旁路二极管和阻断二极管对其输出特性的不同影响,区别出旁路和阻断二极管减小功率失配损失的效果。采用适用于建立局部阴影条件下光伏阵列电路模型的Matlab自带solar cell双二极管电路模型,代替构建复杂的数学模型。仿真试验验证了光伏电池短路电流随辐照度线性变化,旁路二极管不同配置方式对应光伏阵列输出特性变化明显,光伏电池开路电压随辐照度非线性变化且变化范围更小,阻塞二极管配置前后对应输出特性变化小。 | 张明锐 蒋利明 欧阳丽 | 2017 | 电气技术2017，18，8： | 6 |
| 5 | A highly efficient electric additive for enhancing photovoltaic performance of dye-sensitized solar cells显示文摘N-cetylpyridinium iodide (N-CPI) as a new electric additive for enhancing photovoltaic performance of the dye-sensitized solar cell (DSSC) was studied.It showed high efficiency for enhancing both the open-circuit voltage and the short-circuit current density of DSSC when the suitable amount of N-CPI as 0.02 M was added in liquid electrolyte.The energy conversion effi- ciency of DSSC increased from 4.429% to 6.535%,with 47.55% enhancement.Therefore,it is a highly efficient electric addi- tive for DSSC.The intrinsic reason is owing to the special molecular structure of N-CPI,which contains two different polarity groups.As a surfactant,N-CPI could form ordered arrangement in liquid electrolyte,which affects the diffusing ability and the redox reaction of I-/I3-,and further affects the photovoltaic performance of DSSC. | LAN Zhang,WU JiHuai,LIN JianMing & HUANG MiaoLiang Engineering Research Center of Environment-Friendly Functional Materials,Ministry of Education Key Laboratory of Functional Materials for Fujian Higher Education Institute of Materials Physical Chemistry,Huaqiao University,Quanzhou 362021,China | 2010 | Science China Chemistry2010，53，6： | 6 |
| 6 | Cu_2ZnSnS_4 thin films prepared by sulfurizing different multilayer metal precursors显示文摘Cu2ZnSnS4 (CZTS) thin films were successfully fabricated on glass substrates by sulfurizing Cu-Sn-Zn multilayer precursors, which were deposited by ion beam sputtering and RF magnetron sputtering, respectively. The structural, electrical and optical properties of the prepared films under various processing conditions were investigated in detail. Results showed that the as-deposited CZTS thin films with the precursors by both ion beam sputtering and RF magnetron sputtering have a composition near stoichiometric. The crystallization of the samples, however, has a strong dependence on the atomic percent of constituents of the prepared CZTS films. A single phase stannite-type structure CZTS with a large absorption coefficient of 104/cm in the visible range could be obtained after sulfurization at 520℃ for 2 h. The samples relative to the RF magnetron sputtering showed a low resistivity of 0.073 ?cm and band gap energy of about 1.53 eV. The samples relative to the ion beam sputtering exhibited a resistivity of 0.36 Ωcm and the band gap energy is about 1.51 eV. | ZHANG Jun & SHAO LeXi School of Physical Science and Technology, Zhanjiang Normal University, Zhanjiang 524048, China | 2009 | Science China(Technological Sciences)2009，52，1： | 5 |
| 7 | Purification of solar cell silicon materials through filtration显示文摘Silicon is the material most commonly used in the manufacturing of photovoltaic (PV) cells. In the current study, laboratory experiments of purification of solar cell silicon materials through filtration are carried out. Inclusion removal from silicon was investigated. The purpose is to achieve clean silicon materials for solar cells. Silicon samples and filter samples were analyzed using microscope observation, EPMA, and X-ray detection. Silicon nitride (Si3N4) and silicon carbide (SiC) particles are the main non-metallic inclusions present in top-cut silicon scrap. Almost all inclusions larger than 10 μm can be removed from silicon by the porous foam filter. In mass fraction, more than 90% inclusions are removed. Si3N4 particles are mainly removed on the top surface of the filter, and SiC particles are mainly removed by entering the pores and attaching to the filter material. SiC inclusions are not only simply attached on the surface of the filter material, but are found also inside the filter material. There are SiC bridges near the filter materials. These bridges may fill the spaces between filter material, and this will further retard inclusions passing through the filter. Three-dimensional turbulent fluid flow and inclusion motion in the filter was calculated. Both experimental observation and fluid flow simulation indicate that most of the inclusions are entrapped at the upper part of the filter. | CIFTJA Arjan ENGH Thorvald Abel KVITHYLD Anne | 2006 | Rare Metals2006，25，z1： | 5 |
| 8 | Evaluating the effect of dislocation on the photovoltaic performance of metamorphic tandem solar cells显示文摘The photovoltaic conversion efficiency for monolithic GaInP/GaInAs/Ge triple-junction cell with various bandgap combination (300 suns,AM1.5d) was theoretically calculated.An impressive improvement on conversion efficiency was observed for a bandgap combination of 1.708,1.194,and 0.67 eV.A theoretical investigation was carried out on the effect of dislocation on the metamorphic structure’s efficiency by regarding dislocation as minority-carrier recombination center.The results showed that only when dislocation density was less than 1.6×106 cm-2,can this metamorphic combination exhibit its efficiency advantage over the fully-matched combination.In addition,we also briefly evaluated the lattice misfit dependence of the dislocation density for a group of metamorphic triple-junction system,and used it as guidance for the choice of the proper cell structure. | ZHANG Han1,CHEN NuoFu2,3,WANG Yu1,ZHANG XingWang1,YIN ZhiGang1,SHI HuiWei1,WANG YanSuo1,HUANG TianMao1,BAI YiMing2 & FU Zhen11 Key Laboratory of Semiconductor Materials Science,Institute of Semiconductors,Chinese Academy of Sciences,P.O.Box 912,Beijing 100083,China 2 School of Renewable Energy Engineering,North China Electric Power University,Beijing 102206,China 3 State Key Laboratory of Silicon Materials,Zhejiang University,Hangzhou 310027,China | 2010 | Science China(Technological Sciences)2010，53，9： | 4 |
| 9 | Formation of the front-gradient bandgap in the Ag doped CZTSe thin films and solar cells显示文摘The graded bandgap of kesterite based absorber layer is an important way to achieve high efficiency solar cells. Incorporation of Ag into CZTSSe thin films can adjust the bandgap and thus reduce the VOC-deficit and improve the quality of crystallization. However, the distribution of Ag is difficult to control due to the quick diffusion of Ag under the high temperature. In this study, we achieve the front Ag-gradient in kesterite structured compound films by prealloying followed by selenization process at 550 °C. AgZn3,Ag3Sn, and Sn–Ag–Cu alloy phases were formed during prealloying stage at 250 °C. After prealloying process, Ag tends to distribute at the front surface of the ACZTSe thin films. Combining the results of experiment and SCAPS simulation, the significantly VOCimprovement of devices is ascribed to the formation of the front Ag-gradient bandgap structure in the absorber layer. This facile prealloying selenization process affords a feasible method to design the graded bandgap structure absorber layers, which will promote the fabrication of high efficient graded bandgap structure solar cells. | Dongxiao Wang Jianyu Wu Xiyu Liu Li Wu Jianping Ao Wei Liu Yun Sun Yi Zhang | 2019 | Journal of Energy Chemistry2019，28，8： | 4 |
| 10 | Recent progress in interface modification for dye-sensitized solar cells显示文摘Interface modification on the TiO2/dye/electrolyte interface of dye-sensitized solar cells (DSCs) is one of the most effective approaches to suppress the charge recombination,improve electron injection and transportation,and thus ameliorate the conversion efficiency and stability of DSCs.Conventional research focusing on the photoanodes interface modification before sensitization in dye-sensitized solar cells has been carried out and reviewed.However,recent studies showed that post-modification after sensitization of the TiO2 electrode also plays a significant role on the TiO2/dye/electrolyte interface.This post-modification using the immersing method could deprotonate dye molecules,prohibit the dye aggregation and retard the recombination reaction.As a result,it has great influence on the devices' photovoltaic performance.This interface modification could also provide an approach to broaden the response of the solar spectrum by introducing an alternative assembling structure.An in-situ meaning of using a co-adsorbent is employed to modify the interface in the DSCs,which could retard the aggregation of the dye molecules and enhance the conversion efficiency.In addition,electrolyte additives can be used to modify the TiO2/dye/electrolyte interface through some unique mechanisms.Based on the background of interface modification of photoanodes before sensitization,this review introduces various interface modifications after sensitization of dye-sensitized solar cells and their mechanisms. | MA BeiBei,GAO Rui,WANG LiDuo,ZHU YiFeng,SHI YanTao,GENG Yi,DONG HaoPeng & QIU Yong Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education Department of Chemistry,Tsinghua University,Beijing 100084,China | 2010 | Science China Chemistry2010，53，8： | 4 |
| 11 | Applications of carbon nanotubes and graphene for third-generation solar cells and fuel cells显示文摘Carbon nanotubes (CNTs) and graphene have attracted great attention since decades ago because of their interesting structure and properties and important application in many areas. They can have high conductivity, high specific surface area, high transparency in the visible range and high mechanical flexibility. They have important application in energy conversion systems including solar cells and fuel cells. They have been extensively studied as the transparent electrode and interfacial materials of organic solar cells (OSCs) and perovskite solar cells (PSCs). They are also used as the catalytic counter electrode of dye-sensitized solar cells (DSSCs). In addition, graphene oxide (GO) is exploited as an auxiliary binder of TiO2 paste for the mesoporous TiO2 layer of DSSCs, and GO and functionalized CNTs are adopted as gelators of gel electrolyte for quasi-solid state DSSCs. CNTs and graphene also have important application in fuel cells. They can be used as catalyst support for the oxidation of fuels or oxygen reduction reaction (ORR). CNTs and graphene, particularly when doped with nitrogen, can be directly used metal-free catalysts. This article provides a brief review on the application of CNTs and graphene in OSCs, PSCs, DSSCs and fuel cells. | Jianyong Ouyang | 2019 | Nano Materials Science2019，1，2： | 4 |
| 12 | Carbon nanotube/silicon heterojunctions for photovoltaic applications显示文摘Photovoltaic devices have rapidly developed in recent years as they seek to address the ever-increasing energy requirements and environmental issues.Due to their simple structure and easy,low-temperature fabrication,heterojunctions of carbon nanotube(CNT)films and silicon(Si)have been used in solar cells,photodetectors and optoelectronic gas sensors.Significant progress has been made on the development of high-performance CNT/Si heterojunction devices,in particular,CNT/Si solar cells.Here,we give a comprehensive overview of state-of-theart CNT/Si heterojunction devices.The effects of the structure of the CNTs,the interface layer and the silicon structure on the performance of CNT/Si solar cells are analyzed.In addition,potential ways to further improve the performance of such photovoltaic devices are proposed.Finally,the key challenges and developing trends in CNT/Si heterojunction photovoltaic devices are discussed. | Xiangang Hu Pengxiang Hou Chang Liu Huiming Cheng | 2019 | Nano Materials Science2019，1，3： | 3 |
| 13 | Ternary organic solar cells based on polymer donor,polymer acceptor and PCBM components显示文摘In this work,ternary organic solar cells(OSCs)combining a fullerene derivative PC71BM with a nonfullerene acceptor N2200-F blended with a polymer donor PM6 were reported.Compared with the binary systems,the highest power conversion efficiency(PCE)of 8.11%was achieved in ternary solar cells with 30 wt%N2200-F content,mainly due to the improved short-circuit current density(Jsc)and fill factor(FF).Further studies showed that the improved Jsc could attribute to the complementary abso rption of the two acceptors and the enhanced FF was originated from the higher hole mobility and the fine-tuned morphology in the ternary system.These results demonstrate that the combination of fullere ne and nonfullerene acceptors in ternary organic solar cells is a promising approach to achieve high-performance OSCs. | Feng Liu Cheng Li Junyu Li Chao Wang Chengyi Xiao Yonggang Wu Weiwei Li | 2020 | Chinese Chemical Letters2020，31，3： | 3 |
| 14 | Influence of texture feature size on spherical silicon solar cells显示文摘The effects of surface texturing on spherical silicon solar cells were investigated. Surface texturing for spherical Si solar cells was prepared by immersing p-type spherical Si crystals in KOH solution with stirring. Two kinds of texture feature sizes (1 and 5 μm pyramids) were prepared by changing stirring speed. After fabrication through our baseline processes, these cells were evaluated by solar cell performance and external quantum efficiency. The cell with 1 and 5 μm pyramids shows the short circuit current density (Jsc) value of 31.9 and 33.2 mA·cm-2, which is 9% and 13% relative increase compared to the cell without texturing. Furthermore, the cell with 5 μm pyramids has a higher open-circuit voltage (0.589 V) than the cell with 1 μm pyramids (0.577 V). As a result, the conversion efficiency was improved from 11.4% for the cell without texturing to 12.1% for the cell with 5 μm pyramids. | HAYASHI Shota MINEMOTO Takashi TAKAKURA Hideyuki HAMAKAWA Yoshihiro | 2006 | Rare Metals2006，25，z1： | 3 |
| 15 | Enhance of TiO_2 dopants incorporated reduced graphene oxide via RF magnetron sputtering for efficient dye-sensitised solar cells显示文摘In particular, the dye-sensitised solar cells(DSSCs) have a high potential in the rational energy conversion efficiency to secure our sustainable energy source.In the present study, advanced radio frequency(RF) magnetron sputtering technique was applied to incorporate titanium dioxide(TiO_2) dopants into reduced graphene oxide(rGO) nanosheet for improving the power conversion efficiency(PCE) of DSSCs device. An optimum TiO_2 content incorporated onto rGO nanosheet plays an important role in improving the PCE of DSSCs by minimising the recombination losses of photo-induced charge carriers.Based on the results obtained, 40-s sputtering duration for incorporating TiO_2 dopants onto rGO nanosheet exhibits a maximum PCE of 8.78% than that of pure rGO film(0.68%). In fact, the presence of optimum content of TiO_2 dopants within rGO nanosheet could act as mediators for efficient separation photo-induced charge carriers. However, the excessive of sputtering duration(e.g. 60 s) of TiO_2 dopants onto rGO nanosheet results higher charge recombination and lowers the PCE of DSSCs(5.39%). | Foo Wah Low Chin Wei Lai Kian Mun Lee Joon Ching Juan | 2018 | Rare Metals2018，37，11： | 3 |
| 16 | Anti-solvent engineering for efficient semitransparent CH3NH3PbBr3 perovskite solar cells for greenhouse applications显示文摘With ideal combination of benefits that selectively converts high photon energy spectrum into electricity while transmitting low energy photo ns for photos yn thesis,the CH3NH3PbBr3 perovskite solar cell(BPSC)is a promising candidate for efficient greenhouse based building integrated photovoltaic(BIPV)applications.However,the efficiency of BPSCs is still much lower than their theoretical efficiency.In general,interface band alignment is regarded as the vital factor of the BPSCs whereas only few reports on enhancing perovskite film quality.In this work,highly efficient BPSCs were fabricated by improving the crystallization process of CH3NH3PbBr3 with the assistance of anti-solvents.A new anti-solvent of diphenyl ether(DPE)was developed for its strong interaction with the solvents in the perovskite precursor solution.By using the anti-solvent of DPE,trap-state density of the CH3NH3PbBr3 film is reduced and the electron lifetime is enhanced along with the large-grain crystals compared with the samples from conventional anti-solvent of chlorobenzene.Upon preliminary optimization,the efficiencies of typical and semitransparent BPSCs are improved to as high as 9.54%and 7.51%,respectively.Optical absorption measurement demonstrates that the cell without metal electrode shows 80%transparency in the wavelength range of 550-1000 nm that is perfect for greenhouse vegetation.Considering that the cell absorbs light in the blue spectrum before 550 nm,it offers very high solar cell efficiency with only 17.8%of total photons,while over 60%of total photons can transm让through for photosynthesis if a transparent electrode can be obtained such as indium doped SnO2. | Waqas Siddique Subhani Kai Wang Minyong Du Xiuli Wang Ningyi Yuan Jianning Ding Shengzhong(Frank)Liu | 2019 | Journal of Energy Chemistry2019，28，7： | 3 |
| 17 | 基于苊烯酰二亚胺小分子/二氧化钛双分子电子传输层的高效钙钛矿太阳能电池(英文)显示文摘设计合成高效n型小分子半导体作为钙钛矿太阳能电池的电子传输层对实现低温、可溶液加工的钙钛矿太阳能电池具有重要意义.本文合成了三个低LUMO能级、基于苊烯酰二亚胺的小分子受体材料AI1, AI2, AI3,系统表征了其光物理性质及电化学、热力学性质,研究了其在钙钛矿太阳能电池器件中的应用.当使用TiO_2/AI1作为电子传输层时,钙钛矿太阳能电池的平均光电转换效率为15%,比单独TiO_2电子传输层11.7%的平均光电转换效率有较大提升,表明基于苊烯酰二亚胺的小分子AI1, AI2, AI3是良好的电子传输层材料,可实现低温、可溶液加工的高效钙钛矿太阳能电池. | 邵佳伟 郭兴 侍男男 张幸林 刘书利 林珍华 赵保敏 常晶晶 邵进军 董晓臣 | 2019 | Science China Materials2019，62，4： | 3 |
| 18 | Monolithic crystalline silicon solar cells with SiN_x layers doped with Tb^(3+) and Yb^(3+) rare-earth ions显示文摘In this study, we propose the fabrication of monolithic crystalline silicon solar cells with Tb^(3+) and Yb^(3+)-doped silicon nitride(SiN_x) layers by low-cost screen-printing methods. The performances of c-Si solar cells can be enhanced by rare-earth ions doped SiN_x layers via the mechanism of spectrum conversion.These SiN_x doped and codoped thin films were deposited by reactive magnetron co-sputtering and integrated as the antireflection coating layers in c-Si solar cells. The characterizations of SiN_x, SiN_x:Tb^(3+) tand SiN_x:Tb^(3+)-Yb^(3+) thin films were conducted by means of photoluminescence, Rutherford backscattering spectroscopy, Ellipsometry spectroscopy and Fourier transform infrared measurements. Their composition and refractive index was optimized to obtain good anti-reflection coating layer for c-Si solar cells.Transmission electron microscopy performs the uniform coatings on the textured emitter of c-Si solar cells. After the metallization process, we demonstrate monolithic c-Si solar cells with spectrum conversion layers, which lead to a relative increase by 1.34% in the conversion efficiency. | Ing-Song Yu Shao-Chun Wu Lucile Dumont Julien Cardin Christophe Labbé Fabrice Gourbilleau | 2019 | Journal of Rare Earths2019，37，5： | 3 |
| 19 | Influence of TiCl_4 treatment on performance of dye-sensitized solar cell assembled with nano-TiO_2 coating deposited by vacuum cold spraying显示文摘Titanium tetrachloride (TiCl4) treatment was employed to TiO2 coating deposited on fluoride-doped tin oxide (FTO) conducting glass and indium oxide doped tin oxide (ITO) conducting glass, respectively. The nano-crystalline TiO2 coating was deposited using a composite powder composed of polyethylene glycol (PEG) and 25 nm TiO2 particles by vacuum cold spraying (VCS) process. A commercial N-719 dye was used to adsorb on the surface of TiO2 coating to prepare TiO2 electrode, which was applied to assemble dye-sensitized solar cell (DSC). The cell performance was measured under simulated solar light at an intensity of 100 mW·cm-2. Results show that with an FTO substrate the DSC composed of a VCS TiO2 electrode untreated by TiCl4 gives a short-circuit current density of 13.1 mA·cm-2 and an open circuit voltage of 0.60 V corresponding to an overall conversion efficiency of 4.4%. It is found that after TiCl4 treatment to the VCS TiO2 electrode with an FTO substrate, the short circuit current density of the cell increases by 31%, the open-circuit voltage increases by 60 mV and a higher conversion yield of 6.5% was obtained. However, when an ITO substrate is used to deposit TiO2 coating by VCS, after TiCl4 treatment, the conversion efficiency of the assembled cell reduces slightly due to corrosion of the conducting layer on the ITO glass by TiCl4. | FAN Shengqiang LI Changjiu YANG Guanjun ZHANG Lingzi | 2006 | Rare Metals2006，25，z1： | 3 |
| 20 | Heterojunction Incorporating Perovskite and Microporous Metal–Organic Framework Nanocrystals for Efficient and Stable Solar Cells显示文摘In this paper,we present a facile approach to enhance the efficiency and stability of perovskite solar cells(PSCs)by incorporating perovskite with microporous indium-based metal–organic framework[In12O(OH)16(H2O)5(btc)6]n(In-BTC)nanocrystals and forming heterojunction light-harvesting layer.The interconnected micropores and terminal oxygen sites of In-BTC allow the preferential crystallization of perovskite inside the regular cavities,endowing the derived films with improved morphology/crystallinity and reduced grain boundaries/defects.Consequently,the In-BTC-modified PSC yields enhanced fill factor of 0.79 and power conversion efficiency(PCE)of 20.87%,surpassing the pristine device(0.76 and 19.52%,respectively).More importantly,over 80%of the original PCE is retained after 12 days of exposure to ambient environment(25°C and relative humidity of^65%)without encapsulation,while only about 35%is left to the pristine device. | Xuesong Zhou Lele Qiu Ruiqing Fan Jian Zhang Sue Hao Yulin Yang | 2020 | Nano-Micro Letters2020，12，6： | 3 |
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