Crystal Research and Technology
Copyright © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Editor: Wolfgang Neumann (Editor-in-Chief), Klaus-W. Benz (Consulting Editor)
Online ISSN: 1521-4079
Recently Published Issues
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Recently Published Articles
- Graphene oxide used as a surfactant to induce the flower-like ZnO microstructures: growth mechanism and enhanced photocatalytic properties (pages 982–989)
Chengli Yao, Anjian Xie, Yuhua Shen, Weina Zhu and Jinmiao Zhu
Article first published online: 10 DEC 2014 | DOI: 10.1002/crat.201400300
Graphene oxide was used as a temple to induce the formation of flower-like ZnO microparticals compared with classical surfactants. The flower-like ZnO microparticals were gained by calcining zinc hydroxide carbonate. The photocatalytic activity of the flower-like ZnO microparticals was evaluated by photo degradation reaction of rhodamine B (RhB) which was better than ZnO microparticals formed in the CTAB and BS-12.
- CIS and CIGS nanomaterials prepared by solvothermal method and their spectral properties (pages 953–958)
Fei Huang, Ai-Hua Yan, Hui Zhao, Zhen Li, Xiao-Ping Cai, Yue-Hua Wang, Yu-Chang Wu, Shi-Bin Yin and Ying-Huai Qiang
Article first published online: 10 DEC 2014 | DOI: 10.1002/crat.201400214
Here a simple solvothermal technique was adopted to synthesize uniform CIS and CIGS nanomaterials. The influence of surfactant, temperature, Ga amount on the structure, morphology, phase and spectral properties was analyzed. The results show that CIS and CIGS nanomaterials can be obtained at 200 °C. PVP-30 can greatly improve the dispersion of nanoparticles. UV-vis-NIR spectra show that the absorption peak and absorption edge of CIGS obviously shift to a lower energy compared with CIS.
- Preeminent visible-light photocatalytic activity over BiOBr–BiVO4 heterojunctions (pages 933–938)
F. P. Cao, C. H. Ding, K. C. Liu, B. Y. Kang and W. M. Liu
Article first published online: 4 DEC 2014 | DOI: 10.1002/crat.201300396
In this work, we prepared for the first time a class of novel heterojunctions of BiOBr–BiVO4 fabricated by depositing BiOBr nanoflakes onto the surface of BiVO4. The optimum photocatalytic activity of the 0.925BiOBr–0.075BiVO4 heterojunction was almost 14 and 144 times as high as those of individual BiOBr and BiVO4 in visible-light degradation of methylene blue. Photogenerated holes of BiVO4 would play a dominant role in the photocatalytic system.
- Crystal growth, quality characterization and THz properties of DAST crystals (pages 943–947)
Teng Bing, Wang Shu-hua, Feng Ke, Cao Li-feng, Zhong De-gao, You Fei, Jiang Xue-jun, Hao Lun and Sun Qing
Article first published online: 3 DEC 2014 | DOI: 10.1002/crat.201400147
DAST crystal is a kind of promising candidate for the generation and detection of terahertz wave. High-quality DAST crystals were grown by slope nucleation method, and widely tunable terahertz waves ranging from 1.16 to 16.71 THz were generated from 1 mm-thick DAST crystal using the optical parametric oscillator. It was obtained that the THz output energy was 27.4 nJ (peak power of 2.74 W).
- Hydrothermal syntheses of silver phosphate nanostructures and their photocatalytic performance for organic pollutant degradation (pages 975–981)
Junling Zhao, Zhenyuan Ji, Chen Xu, Xiaoping Shen, Lianbo Ma and Xiansheng Liu
Article first published online: 3 DEC 2014 | DOI: 10.1002/crat.201400298
A facile hydrothermal method for the syntheses of Ag5P3O10, Ag4P2O7/Ag3PO4 and Ag3PO4 nanostructures was developed. The photocatalytic activities were evaluated by the degradation of organic pollutants under simulated sunlight irradiation. The photocatalytic mechanism was systematically investigated.