Yong‐June Chang
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View article: Quantum Dots: Bandgap Tuning with Thermal Residual Stresses Induced in a Quantum Dot (Small 18/2014)
Quantum Dots: Bandgap Tuning with Thermal Residual Stresses Induced in a Quantum Dot (Small 18/2014) Open
A novel way of tuning the bandgap in a quantum dot (QD) is by lattice distortions, using 4 nm CdS QDs grown on a TiO2 particle for example. The bandgap tuning (from 2.74 eV to 2.49 eV) of a CdS QD is achieved by H. M. Jang and co-workers b…
View article: Bandgap Tuning with Thermal Residual Stresses Induced in a Quantum Dot
Bandgap Tuning with Thermal Residual Stresses Induced in a Quantum Dot Open
Lattice distortion induced by residual stresses can alter electronic and mechanical properties of materials significantly. Herein, a novel way of the bandgap tuning in a quantum dot (QD) by lattice distortion is presented using 4‐nm‐sized …
View article: Quantum Dots: Bandgap Tuning by Using a Lattice Distortion Induced by Two Symmetries That Coexist in a Quantum Dot (Small 7/2014)
Quantum Dots: Bandgap Tuning by Using a Lattice Distortion Induced by Two Symmetries That Coexist in a Quantum Dot (Small 7/2014) Open
A novel way to tune the bandgap in an Ag2S quantum dot (QD) system is developed by inducing a lattice-distorted region of ≈1-nm scale in a QD with rapid quenching. Accordingly, the bandgap can be controlled simply by tailoring the degree o…
View article: A tri-functional TiO<sub>2</sub>photoelectrode: single crystalline nanowires directly grown on nanoparticles for dye-sensitized solar cells
A tri-functional TiO<sub>2</sub>photoelectrode: single crystalline nanowires directly grown on nanoparticles for dye-sensitized solar cells Open
We prepared a hybrid photoelectrode with single crystalline TiO2 nanowires (NWs) directly grown on TiO2 nanoparticles (NPs) for efficient dye-sensitized solar cells (DSCs). For this purpose, the NWs were grown on the commercial NPs, P25 De…
View article: Sea urchin TiO2–nanoparticle hybrid composite photoelectrodes for CdS/CdSe/ZnS quantum-dot-sensitized solar cells
Sea urchin TiO2–nanoparticle hybrid composite photoelectrodes for CdS/CdSe/ZnS quantum-dot-sensitized solar cells Open
The sea urchin TiO(2) (SU TiO(2)) particles composed of radially aligned rutile TiO(2) nanowires are successfully synthesized through the simple solvothermal process. SU TiO(2) was incorporated into the TiO(2) nanoparticle (NP) network to …