tio2 based dye sensitized solar cell

... Dye- sensitized solar- cells Ethylene glycol Electrochemical impedance spectroscopy Front-illuminated nanotube -based dye- sensitized solar cell Front-illuminated nanotube -based solid-state dye- sensitized ... recombination [11] Soon, dye- sensitized solar cells based on this concept yielded promising solar- to-electricity conversion efficiencies [4,12] The dye- sensitized solar cells proved a technically ... 1.1 Solar cells 1.2 Dye- sensitized solar cells (DSC) 1.2.1 Nanotube on transparent conductive glass 1.2.2 All-solid-state dye- sensitized heterojunction cells ...

Ngày tải lên: 09/09/2015, 17:57

... layers on efficiency of dye- sensitized solar cells Solar Energy Mater Solar Cells 2006, 90:1176-1188 10 Ko KH, Lee YC, Jung YJ: Enhanced efficiency of dye- sensitized TiO2 solar cells (DSSC) by doping ... sputtered TiO2 passivating layer on the performance of dye- sensitized solar cells Solar Energy Mater Solar Cells 2011, 95:344348 Umar A: Growth of comb-like ZnO nanostructures for dye- sensitized solar ... was reduced Keywords: dye- sensitized solar cell; TiO2; nanofiber; doping; solar conversion efficiency Introduction Since the Grätzel group discovered dye- sensitized solar cells [DSSCs], many people...

Ngày tải lên: 20/06/2014, 20:20

... samples was determined by SurPASS Instrument (Anton Paar, Austria) Samples were placed inside a cell with adjustable gap in contact with the electrolyte (0.001 mol dm-3 KCl) For each measurement, ... distributed over the polymer surface could have a positive effect on the interaction with living cells, the effect which could be interesting for tissue engineering [9] The presence of gold nanoparticles ... 91:1219 Mikulíková R, Moritz S, Gumpenberger T, Olbrich M, Romanin C, Bačáková L, Švorčík V, Heitz J: Cell microarrays on photochemically modified polytetrafluorethylene Biomaterials 2005, 26:5572 Heitz...

Ngày tải lên: 20/06/2014, 22:20

... B, Grätzel M: A low-cost, high-efficiency solar cell based on dyesensitized colloidal TiO2 films Nat 1990, 353:737-740 Grätzel M: Dye- sensitized solar cells J Photochem Photobiol C: Photochem ... dye- sensitized nanoparticle solar cells on plastic substrates Sol Energy Mater Sol Cells 2006, 90:872-886 13 Choi H, Kim H, Hwang S, Choi W, Jeon M: Dye- sensitized solar cells using graphene -based carbon nano ... counter electrodes in dye- sensitised solar cells Electron Lett 2011, 47:281-283 Choi H, Kim H, Hwang S, Han Y, Jeon M: Graphene counter electrodes for dye- sensitized solar cells prepared by electrophoretic...

Ngày tải lên: 20/06/2014, 23:20

... Conductive mesh based flexible dye- sensitized solar cells Appl Phys Lett 2007, 90:073501 Fan X, Chu Z, Wang F, Zhang C, Chen L, Tang Y, Zou D: Wire-Shaped Flexible Dye- Sensitized Solar Cells Adv Mater ... scattering in dye- sensitized solar cells using oriented TiO2 nanotubes arrays Nano Lett 2007, 7:69 Zhang QF, Dandeneau CS, Zhou XY, Cao GZ: ZnO Nanostructures for DyeSensitized Solar Cells Adv Mater ... transfer of highlyordered TiO2 nanotube arrays: use in dye- sensitized solar cells Chem Commun 2008, 25:2867 Varghese OK, Paulose M, LaTempa TJ, Grimes CA: High-Rate Solar Photocatalytic Conversion...

Ngày tải lên: 21/06/2014, 06:20

... (a) a pristine cell fabricated from the ESD TiO2 blocking layer and (b) a SHI cell using an irradiated ESD TiO2 blocking layer In addition, a reference cell was fabricated from the TiO2 blocking ... as: Sudhagar et al.: Efficient Performance of Electrostatic Spray-Deposited TiO2 Blocking Layers in Dye- Sensitized Solar Cells after Swift Heavy Ion Beam Irradiation Nanoscale Res Lett 2011 6:30 ... the dye molecules, jinj is the injection efficiency of dye molecules into the TiO2 conduction band, and hcoll is the collection efficiency The parameters A and jinj are directly related to dye...

Ngày tải lên: 21/06/2014, 08:20

... state dye- sensitized solar cells Coord Chem Rev 2001, 248:1479 [7] Kang SH, Kim JY, Kim Y, Kim HS, Sung YE: Surface modification of stretched TiO2 nanotubes for solid-state dye- sensitized solar cells ... electrons in dye- sensitized nanocrystalline TiO2 solar cells J Phys Chem 2000, B104:949 [11] Adachi M, Murata Y, Kao JT, Jiu J, Sakamoto M, Wang F-M: Highly efficient dyesensitized solar cells with ... in dye- sensitized solar cells Nano Lett 2006, 6:215 [13] Liu B, Aydil ES: Growth of oriented single-crystalline rutile TiO2 nanorods on transparent conducting substrates for dye- sensitized solar...

Ngày tải lên: 21/06/2014, 17:20

... B, Grätzel M: A low-cost, high-efficiency solar cell based on dyesensitized colloidal TiO2 films Nat 1990, 353:737-740 Grätzel M: Dye- sensitized solar cells J Photochem Photobiol C: Photochem ... dye- sensitized nanoparticle solar cells on plastic substrates Sol Energy Mater Sol Cells 2006, 90:872-886 13 Choi H, Kim H, Hwang S, Choi W, Jeon M: Dye- sensitized solar cells using graphene -based carbon nano ... counter electrodes in dye- sensitised solar cells Electron Lett 2011, 47:281-283 Choi H, Kim H, Hwang S, Han Y, Jeon M: Graphene counter electrodes for dye- sensitized solar cells prepared by electrophoretic...

Ngày tải lên: 21/06/2014, 17:20

... of dye- sensitized solar cells Sol Energy Mater 2006, 90:1176-1188 Park K, Gu H, Jin EM, Dhayal M: Using hybrid silica-conjugated TiO2 nanostructure to enhance the efficiency of dye- sensitized solar ... Influence of electrolyte in transport and recombination in dye- sensitized solar cells studied by impedance spectroscopy Solar Ener Mat Solar Cells 2005, 87:117-131 10 Naoki Koide, Ashraful Islam, ... of TiO2 nanoparticles on the photovoltaic properties of dye- sensitized solar cells Mater Lett 2009, 63:2208-2211 Chuen-Shii Chou, Ru-Yuan Yang, Cheng-Kuo Yeh, You-Jen Lin: Preparation of TiO2/ nano-metal...

Ngày tải lên: 21/06/2014, 17:20

... TiO2- coated FTO Conclusion Fig Current–voltage curves for ZnO DSSCs based on nanowire arrays grown onto the bare and TiO2- coated FTO substrates Table Parameters of dye- sensitized solar cell based ... recombination in ZnO nanowire -based dye- sensitized solar cells can be effectively suppressed and the photovoltaic conversion efficiency enhanced by introducing the TiO2 buffer layer prepared by ... nanowire arrays prepared by different seed preparation methods Table Parameters of dye- sensitized solar cell based on ZnO nanowire array films with different ZnO seed preparation methods Sample...

Ngày tải lên: 22/06/2014, 00:20

... graphene oxide; reduction; photoelectrochemical; J-V curve; dye- sensitized solar cells Introduction Nowadays chemical conversion of solar energy has attracted considerable attention [1-3] Graphene ... in a dye- sensitized solar cell [DSSC] assembly The GO film was fabricated in the DSSC as a counter electrode In typical DSSCs, upon illumination, photoinduced electrons from the excited dye transfer ... 2011, 5:1768-1773 19 Kavan L, Yum JH, Grätzel M: Optically transparent cathode for dye- sensitized solar cells based on graphene nanoplatelets ACS Nano 2011, 5:165-172 20 Akhavan O: The effect...

Ngày tải lên: 21/06/2014, 17:20

... The Pt electrode was placed over the dyeadsorbed ZnO nanocombs electrode, and the edges of the cell were sealed with 60-lm thick sealing sheet (SX 117060, Solaronix) Sealing was accomplished by ... -bipyridyl-4, 40 -dicarboxylato)-ruthenium (II) bis-tetrabutylammonium (N719, Solaronix) at room temperature for h The dyeadsorbed ZnO nanocombs thin-film electrodes were then rinsed with acetonitrile ... was 1000-W metal halide lamp, and its radiant power was adjusted with respect to Si reference solar cell to about one-sun-light intensity (100 mW/cm2) Results and Discussion Structural and Optical...

Ngày tải lên: 21/06/2014, 20:20

... Tiếng Anh: [1]Wikipedia.org, Dye Sensitized Solar Cell http://en.wikipedia.org/wiki /Dye- sensitized_ solar_ cell [2] Michael Grätzel (2003), Review Dye- sensitized solar cells, Laboratory for Photonics ... cặp oxi hóa khử dung dịch điện phân Nhờ trì h pi gọi Dye Sensitised Solar Cell (DSC) Khi điện cực đưa khỏi dung dịch Dye lúc lớp TiO2 phủ lớp Dye làm cho chúng dễ hấp thụ h sá g hơ Tiếp theo ta ... đến dye 3.3 Cải tiế  Tă g h ượng dye hấp phụ bằ g cách tă g bề dày lớp màng oxit quang dẫn Tuy nhiên việc kéo theo tă g trở kháng khuếch tán ion qua lỗ xốp  Các loại dye cis , phổ biến dye...

Ngày tải lên: 16/11/2014, 17:01

... silicon -based solar cells and CuInSe solar cells, several advantages of DSSCs make them competitive for conventional solar cells Firstly, the fabrication cost is quite low compared to silicon -based solar ... multijunction solar cell with efficiency over 30% (NREL, USA, 1994),[12] photoelectrochemical dye sensitized solar cell with 11% efficiency (EPFL, Switzerland, 1996) [13] and Cu(InGa)Se thin-film solar cell ... photovoltaic devices called dye sensitized solar cells” (DSSCs) based on nanocrystalline TiO was developed by O’Regan and Grätzel in 1991.[18] This type of solar cells is featured by their relatively...

Ngày tải lên: 10/09/2015, 08:28

... organic dyes for dyesensitized solar cells Chemical Communications, 2003 0(24): p 3036-3037 51 Ito, S., et al., High-conversion-efficiency organic dye- sensitized solar cells with a novel indoline dye ... Efficient Dye- Sensitized Solar Cells Accounts of Chemical Research, 2009 42(11): p 1809-1818 47 Mishra, A., M.K.R Fischer, and P Bäuerle, Metal-Free Organic Dyes for Dye- Sensitized Solar Cells: ... Low-temperature sintering of TiO2 colloids: Application to flexible dye- sensitized solar cells Langmuir, 2000 16(13): p 5626-5630 65 Uchida, S., et al., Flexible dye- sensitized solar cells by 28 GHz microwave...

Ngày tải lên: 10/09/2015, 09:11

... … 31 1.6 Stability of dye- sensitized solar cell ……………………………….… ……………… 32 1.7 Solid-state dye- sensitized solar cell …………………………… …………… …… 34 iii 1.8 Dye- sensitized solar cell efficiency ……… ... III-V and organic solar cell ……… ……………………………… ………… 1.4 Dye- sensitized solar cell (DSSC) ………… ……………………………………….… 1.4.1 1.4.2 1.5 Working principle …………………………………………… …….…… …… Solar cell performance ... outlining various processes of dye- sensitized solar cell 1.4.2 Solar cell performance parameters In order to compare and ascertain the performance of various solar cells, a few parameters are defined...

Ngày tải lên: 10/09/2015, 15:49

... third-generation solar cells are developed as novel photovoltaic technologies recently Third-generation solar cells include bulk heterojunction solar cells,[9, 10] organic solar cells,[11] dye sensitized solar ... by other types of solar cells 1.2 Dye sensitized solar cells (DSSCs) The dye- sensitized solar cells (DSSCs) is a kind of nanostructured photoelectrochemical device In 1968, the dye was first used ... operation of dye sensitized solar cells .9 Figure 1.5 The typical structures of solid-state dye sensitized solar cells From left to right: FTO conducting glass, blocking layer, sensitized TiO2 film,...

Ngày tải lên: 26/09/2015, 10:05

... surface (a) (b) Fig Supercell structure of pure TiO2 (a) and doping Mg (b) (c) Mg-DOPED TiO2 FOR DYE- SENSITIVE SOLAR CELL (a) (b) 235 (c) Fig Supercell for modeling TiO2 surface anatase(101): ... of Mg states right above Mg-DOPED TiO2 FOR DYE- SENSITIVE SOLAR CELL 239 Fig Partial DOS of Mg atom Table Lattice parameters of bulk TiO2 axis a b c Non-doped TiO2 (˚ A) Ti-O Lattice constants ... CB of TiO2 , it quickly relaxes to the bottom of this band As shown above, because the bottom of CB is made of Ti Mg-DOPED TiO2 FOR DYE- SENSITIVE SOLAR CELL (a) Driving force (b) Bulk TiO2 241...

Ngày tải lên: 31/10/2015, 10:41

... Published: 21 July 2011 References Grätzel M: Dye- sensitized solid-state heterojunction solar cells MRS Bull 2005, 30:23-27 Wei D: Dye sensitized solar cells Int J Mol Sci 2010, 11:1103-1113 Fan ... molecular design of ruthenium (II) sensitizers in dye- sensitized solar cells Chinese J Inorg Chem 2008, 24:1206-1212 Grätzel M: Dye- sensitized solar cells J Photoch Photobio C 2003, 4:145-153 Gao ... recombination barrier layer in TiO2 based dye- sensitized solar cells Appl Phys Lett 2006, 89:253512 30 Sun WT, Yu Y, Pan HY, Gao XF, Chen Q, Peng LM: CdS quantum dots sensitized TiO2 nanotube-array photoelectrodes...

Ngày tải lên: 21/06/2014, 01:20