solid state dye sensitized solar cells

... ARCHITECTURE AS ORGANIC SENSITIZER FOR DYE SENSITIZED SOLA CELLS 73 Trang 65.2 Experimental section 75 Chapter 6 HIGH PERFORMANCE SOLID-STATE ORGANIC DYE SENSITIZED SOLAR CELLS WITH P3HT AS HOLE TRANSPORTING ... silicon-based solar cells and CuInSe2 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 ... Chapter 7 ANATASE MESOPOROUS TiO 2 NANOFIBERS WITH 109 HIGH SURFACE AREA FOR SOLID-STATE DYE-SENSITIZED SOLAR CELLS Chapter 8 CONCLUSIONS AND OUTLOOK 131 Appendix LIST OF PUBLICATIONS 134

Ngày tải lên: 10/09/2015, 08:28

... Mater Chem A, 2015, DOI: 10.1039/C5TA02363G. Trang 2Dye-sensitized solar cells composed of photoactive composite photoelectrodes with enhanced solar energy conversion efficiency Hong Ha Thi Vu1, ... particles were introduced as a luminescent medium to improve the overall efficiency of dye sensitized solar cells (DSSCs) In the preparation process, TiO2 and the phosphor particles were mixed ... luminescence processes, resulting in an increase in the photocurrent 1 Introduction The first dye-sensitized solar cell (DSSCs) reported by Dr Grätzel’s group in 1991, is a remarkable renewable energy

Ngày tải lên: 16/12/2017, 02:22

... umbrella of solar energy conversion encompasses solar thermal, solar fuels, solar-to-electricity (photovoltaic (PV)) technology, and the great many subcategories below those PVs, or solar cells, are ... Mesoporous Dye-Sensitized Solar Cells 1.21.2.3 487 Basic Characterization of DSC Devices In this section, we describe the basic solar cell measurements – that is, the determination of solar-to-electrical ... measurements should be made with additional bias light to Mesoporous Dye-Sensitized Solar Cells 489 100 IPCE / % 80 60 40 Solid-state DSC 20 Liquid-electrolyte DSC 350 400 450 500 550 600 650 λ

Ngày tải lên: 30/12/2017, 13:06

... of dye-sensitized solar cells 5 1.2.2 Fabrication of DSSCs 6 1.3 Scope of work and research objective 8 Chapter 2: CHARACTERIZATION OF DYE-SENSITIZED SOLAR CELLS 9 2.1 Key component of dye-sensitized ... organic dyes, while retaining their stability under standard reporting conditions Trang 22Chapter 2: CHARACTERIZATION OF DYE-SENSITIZED SOLAR CELLS 2.1 Key component of dye-sensitized solar cells ... film solar cells Trang 16currently under investigation is perovskite solar cells and show huge potential with record efficiencies beyond 20% on very small area Polymer solar cells or plastic solar

Ngày tải lên: 28/04/2021, 10:27

... donor, π -spacer, and anchoring groups were designed and synthesized for dye-sensitized solar cell (DSSC) application The dyes 3-{4-[7-(4-{bis[4-(hexyl)phenyl]amino} 11,12-dibutoxy-1,4,5,8-tetrahydrodibenzo ... monochromaticincident photon-to-current conversion efficiencies (IPCE) of the dyes were 50% and 60% at 420 nm, respectively TheKD-150–sensitized solar cell gave a short-circuit current (ISC) of 7.37 mA/cm2, ... absorption range of both dyes can be mostlyconverted to photocurrent It is valuable to note that the IPCE spectra of both dyes are in the range betweenthe UV and visible region of the solar spectrum,

Ngày tải lên: 13/01/2022, 00:22

... nanowires for use in dye-sensitized solar cells Appl Phys Lett 97, 043102 (2010); 10.1063/1.3464965 Electron transport in electrospun TiO 2 nanofiber dye-sensitized solar cells Appl Phys Lett ... 10.1063/1.4908179 Transient photocurrent and photovoltage studies on charge transport in dye sensitized solar cells made from the composites of TiO 2 nanofibers and nanoparticles Appl Phys Lett 98, ... the AIP Publishing Articles you may be interested in Enhanced conversion efficiency of dye-sensitized solar cells using a CNT-incorporated TiO2 slurry-based photoanode AIP Advances 5, 027118 (2015);

Ngày tải lên: 02/11/2022, 08:49

... pseudo first-order dye regeneration rate constant effective electron diffusion length LUMO lowest unoccupied molecular orbital Trang 11ss-DSCs Solid-state Dye-sensitized Solar Cells characteristic ... and his supervisor Professor Liu Bin, for the chance to work with their group on solid state dye-sensitized solar cells Thanks for the scholarship and equipment offered by NUS and fundings (NUS ... Chapter 5 Determining the Conductivities of the Two Charge Transport Phases in Solid-State Dye -Sensitized Solar Cells by Impedance Spectroscopy   ‐ 63 ‐  5.1 Introduction   ‐ 63 ‐  5.2 Experimental

Ngày tải lên: 10/09/2015, 09:29

... types of solar cells such as multi-junction cells, dye sensitized cells, optical up- and down converters, multiple carrier generation by impact ionization and etc.[2] Dye sensitized solar cell ... characteristics of solar cells fabricated from CdS, CdSe and CdS/CdSe sensitized NiO cells The thickness of the electrodes is ~1.2 mm 26 Figure ‎ 3-8-IPCE spectra of solar cells fabricated from ... Semiconductor sensitized solar cell Significant improvements have been made in recent years in p-type DSC However, the performance of dye-sensitized nanocrystalline NiO solar cells is still

Ngày tải lên: 27/11/2015, 12:39

... Lupo, P Comte, J E Moser, F Wiessortel, J Salbeck, H Spreitzer, M Gratzel, Solid-State Dye-Sensitized Mesoporous TiO 2 Solar Cells with High Photon-to-Electron Conversion Efficiencies, Nature, 395 ... Delonix regia dye extract as a natural sensitizer for rGO-TiO2-DSC//Delonix regia dye//PANI electrode, TiO2-DSC//Delonix regia dye//PANI electrode and TiO2-DSC//Delonix regia dye//platinum electrode ... conversion efficiency, Short circuit current density 1 INTRODUCTION The salient features of a Dye-sensitized Solar Cell (DSC) include photoelectrode, photosensitizer, electrolyte, and counter electrode

Ngày tải lên: 25/11/2020, 18:33

... 80, and 100 wt% Pt/rGO composite materials were used for fabrication of cathodes in dye-sensitized solar cells (DSSCs) using the screen-printing method For comparison, control cathode was fabricated ... định hình CdTe Cadmium Telluride Solar Cells Pin cadimi telluride CIS Cooper-indium-selenide solar cell Pin đồng-indium-selen CIGS Cooper-indium-gallium-diselenide solar cell Pin đồng-indium-gallium-diselenit ... đồng-indium-gallium-diselenit CZTS Copper zinc tin sulfide solar cell Pin đồng – kẽm – thiếc sulfide SQD Semiconductor quantum dots Pin bán dẫn chấm lượng tử DSSC Dye-sensitized solar cell Pin mặt trời chất màu nhạy

Ngày tải lên: 02/03/2021, 14:15

... supporting electrolyte 2.4 General procedure (A) for dye-sensitized solar cell studies 2.4.1 Fabrication and photovoltaic measurement of dye-sensitized solar cells (DSSCs) occurrence of color change immediately ... sample 3.8 Dye-sensitized solar cell studies The as-prepared gadolinium complexes were utilized as dye molecules in the fabrication of DSSCs and their compared to that of standard N3 dye under ... concerns over global warming have stimulated interest in seeking renewable energy sources Dye-sensitized solar cells (DSSCs), due to their relatively high efficiency, simple fabrication process, and

Ngày tải lên: 12/01/2022, 22:42

... high-efficiency quantum dot sensitized solar cells ACS Nano 4, 5783–5790 (2010). 34 de la Fuente, M S et al Effect of organic and inorganic passivation in quantum-dot-sensitized solar cells J Phys Chem ... (Fig 1c) Traditionally this device architecture has utilized dye molecules as light absorbers/sensitizers10 The best dye-sensitized solar cells (DSSCs) reach efficiencies in excess of 10%, with a ... (2003). 23 Lee, J W et al Quantum-dot-sensitized solar cell with unprecedentedly high photocurrent Sci Rep 3, 1050 (2013). quantum dots for sensitized solar cells J Phys Chem Lett 4, 355–361 (2013).

Ngày tải lên: 02/11/2022, 08:47

... recombination in dye sensitized solar cells The EIS were recorded in the frequency range between 1 Hz and 100 KHz Figure 8c shows the Nyquist plot of the various dye sensitized solar cells Well-defined ... characteristics for dye sensitized solar cell measured under illumination of 100 W/cm2 (1.5 AM): (a) Pomegranate dye sensitized solar cell with different electrodes; (b) Comparison of Pomegranate dye sensitized ... Pomegranate dye sensitized solar with other dyes; (c) Nyquist of different dye sensitized cells; (d) and Bode plots of Pomegranate, Blackberry, Cranberry and Blueberry dye sensitized cells VOC (V) ISC

Ngày tải lên: 04/12/2022, 10:31

... of Dyes for Dye-Sensitized Solar Cells: Ruthenium-Complex Dyes, Metal-Free Dyes, Metal-Complex Porphyrin Dyes and Natural Dyes 19 Seigo Ito Chapter 3 Comparative Study of Dye-Sensitized Solar ... Trang 1SOLAR CELLS – DYE-SENSITIZED DEVICES Edited by Leonid A Kosyachenko Trang 2Solar Cells – Dye-Sensitized Devices Edited by Leonid A Kosyachenko ... Ti-Lactate Complex for Dye-Sensitized Solar Cells 419 Masaya Chigane, Mitsuru Watanabe and Tsutomu Shinagawa Chapter 19 Fabrication of ZnO Based Dye Sensitized Solar Cells 435 A.P Uthirakumar

Ngày tải lên: 19/06/2014, 08:20

... sensitized solar cells DSSC or Gratzel cell Nanocrystalline dye sensitized solar. .. flexible dye sensitized cells or modules are attractive for 194 Solar Cells – Dye- Sensitized ... outdoor applications of both the dye sensitized solar cells and modules. 2. Structure of dye sensitized solar cell The main parts of single junction dye sensitized solar cell are illustrated schematically ... anticipated future of dye sensitized solar cells. Operation principle of the dye sensitized solar cell is explained. Some schemes used in preparation and assembly of dye sensitized solar cell are

Ngày tải lên: 19/06/2014, 08:20

... Ondarçuhu,... characteristics assessment by applying it to solar cells upon surface resistance between dye layer and FTO Dye- sensitized solar cell is a device to apply photosynthesis principle ... chloroplast with polymer and applying them to the solar cell Dye- sensitized solar cell basically consists of dye polymer to absorb solar light, semiconductor compound... fibers Journal ... efficiencies using solar cell simulator Measuring efficiency of solar cells had been progressed under AM (air mass) 1.5 conditions (1sun, 100mW/cm2) Development of Dye- Sensitized Solar Cell

Ngày tải lên: 19/06/2014, 08:20

... concentration, it is possible to implement solar cells with a high output 5 Concentrating system of Dye-sensitized solar cell with a heat exchanger Conversion efficiency of solar cell is the key point for ... changes of the dye-sensitized solar cell for 480 minutes in a graph As the measurement was started and time passed, the efficiency was linearly reduced Trang 5Development of Dye-Sensitized Solar Cell ... P., Zhu, Y., & Zhao, X (2010) The improved performance of dye sensitized solar cells by bifunctional aminosilane modified dye sensitized photoanode Journal of Renewable and Sustainable Energy,

Ngày tải lên: 19/06/2014, 08:20

... present in the photovoltaic mechanism of a dye solar cell In presence of illumination, however, only the slowest process will dominate The result is that the dye solar cell response is really slow The ... with bus bars applied by screen-printing technique On the other hand, IPCE measurement on dye solar cells is a critical issue as well IPCE measurements can be performed in two ways, applying ... find new dyes or dye combinations and to improve the ionic electrolyte Approaches to enhance efficiency are also being followed which belong to a wide strategy of photon management The dye management

Ngày tải lên: 19/06/2014, 08:20

... TiO2 nanotube array film on the conversion efficiency (Kang et al., 2007) Compared with the solid-sate cells consisted of an anodic TiO2 film as the working electrode under backside illumination, ... NW based electrodes were immersed in a 0.5 mmol/L ethanol solution of N719 for 1 h for dye loading The sensitized electrode was sandwiched with platinum coated FTO counter electrode separated ... transfer (MLCT) in N719 dye (Nazeeruddin et al., 1993), significantly increased for the hybrid electrodes as compared to that of the pure ZnO NW electrode, proving that the dye-loading content is

Ngày tải lên: 19/06/2014, 08:20

... that for different dye molecules the ET energetics remains the same but the electronic coupling between the excited state of the dye molecules and the conduction band of the solid film varies ... analyzed When the dye molecules are adsorbed on the TiO2 NPs surface, a four-level energy scheme is formed including singlet ground, singlet excited, and triplet states of the dye molecule as well ... off states may be considered as feeding between the singlet and the conduction subspaces (Yip et al., 1998), Trang 3Here, k21 is the relaxation rate constant from the excited singlet to ground state

Ngày tải lên: 19/06/2014, 08:20