Dye-sensitized solar cells (DSCs) offer the possibilities to design solar cells with a large flexibility in shape, color, and transparency. DSC research groups have been established around the worl ...

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Dye-Sensitized Solar Cells

2.3. Evaluation of Photocatalytic Water Splitting 6507 2.3.1. Photocatalytic Activity 6507 2.3.2. Photocatalytic Stability 6507 3. UV-Active Photocatalysts for Water Splitting 6507 3.1. d0 Metal Oxide Photocatalyts 6507 3.1.1. Ti-, Zr-Based Oxides 6507 3.1.2. Nb-, Ta-Based Oxides 6514 3.1.3. W-, Mo-Based Oxides 6517 3.1.4. Other d0 Metal Oxides 6518 3.2. d10 Metal Oxide Photocatalyts 6518 3.3. f0 Metal Oxide Photocatalysts 6518 3.4. Nonoxide Photocatalysts 6518 4. Approaches to Modifying the Electronic Band Structure for Visible-Light Harvesting 6519

Semiconductor-based Photocatalytic Hydrogen Generation

The science and technology of ultracapacitors are reviewed for a number of electrode materials, including carbon, mixed metal oxides, and conducting polymers. More work has been done using microporous carbons than with the other materials and most of the commercially available devices use carbon electrodes and an organic electrolytes. The energy density of these devices is 3¯5 Wh/kg with a power density of 300¯500 W/kg for high efficiency (90¯95%) charge/discharges. Projections of future developments using carbon indicate that energy densities of 10 Wh/kg or higher are likely with power densities of 1¯2 kW/kg. A key problem in the fabrication of these advanced devices is the bonding of the thin electrodes to a current collector such the contact resistance is less than 0.1 cm2. Special attention is given in the paper to comparing the power density characteristics of ultracapacitors and batteries. The comparisons should be made at the same charge/discharge efficiency.

Ultracapacitors: Why, How, and Where is the Technology

Mesoporous Anatase TiO2 Beads with High Surface Areas and Controllable Pore Sizes: A Superior Candidate for High‐Performance Dye‐Sensitized Solar Cells

Electrolytes in Dye-Sensitized Solar Cells

A kind of closed-microporous hybrid with poly(acrylic acid)-poly(ethylene glycol)-polypyrrole (PAA-PEG-PPy) was synthesized template-free by in situ polymerization and micro-phase separation of PPy in PAA-PEG gel. This novel structure hybrid was used as a matrix in preparing polymer gel electrolytes for quasi-solid-state dye-sensitized solar cells (QS-DSSC). It shows high liquid electrolyte absorbency and salt tolerance, which are benefits for improving photovoltaic performance of QS-DSSC.

Template-free synthesis of closed-microporous hybrid and its application in quasi-solid-state dye-sensitized solar cells

An efficient redox-mediated organic electrolyte for high-energy supercapacitor

A polyacrylate/graphite composite was synthesized by aqueous solution polymerization. Based on the electrical conductivity of graphite and the water absorbency of polyacrylate, a novel conductive hydrogel with a conductivity of 7.3 mS m −1 was prepared. The influence of crosslinker, initiator, monomer, neutralization degree, graphite, water absorbency and temperature on the electrical conductivity of the hydrogel was investigated. An appended network structure model of the polyacrylate/graphite conductive hydrogel is proposed.

The synthesis and electrical conductivity of a polyacrylate/graphite hydrogel

Quasi-solid-state dye-sensitized solar cells based on a sol–gel organic–inorganic composite electrolyte containing an organic iodide salt

Conducting glass substrates are modified with platinum by vacuum coating, thermal decomposition and electrochemical sedimentation methods. A dye-sensitized nanocrystalline solar cell (DSC) is assem...

Sancun Hao

Papers

Template-free synthesis of closed-microporous hybrid and its application in quasi-solid-state dye-sensitized solar cells

An efficient redox-mediated organic electrolyte for high-energy supercapacitor

The synthesis and electrical conductivity of a polyacrylate/graphite hydrogel

Quasi-solid-state dye-sensitized solar cells based on a sol–gel organic–inorganic composite electrolyte containing an organic iodide salt

Modification of photocathode of dye-sensitized nanocrystalline solar cell with platinum by vacuum coating, thermal decomposition and electroplating