Photoelectrochemical cells by design: 3D nanoporous CdO-CdSe architectures on ITO
- Authors
- Shinde, Dipak V.; Lim, Iseul; Lee, Joong-Kee; Sung, Myung Mo; Mane, Rajaram S.; Han, Sung-Hwan
- Issue Date
- Sep-2013
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- JOURNAL OF MATERIALS CHEMISTRY A, v.1, no.35, pp.10436 - 10441
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF MATERIALS CHEMISTRY A
- Volume
- 1
- Number
- 35
- Start Page
- 10436
- End Page
- 10441
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/143683
- DOI
- 10.1039/c3ta12276j
- ISSN
- 2050-7488
- Abstract
- We report on the synthesis of CdO-CdSe nanoporous architectures from porous CdO architectures by a controlled solution anion exchange method. Monolithic CdCO3 micron sized crystals synthesized in the first step were decomposed by calcination to evolve CO2 to form porous CdO crystals, having a similar outer shape but with a tailored internal nanostructure. Controlled Se2- ion exchange with CdO crystals yielded CdO-CdSe architectures with tunable composition and optoelectronic properties. Pearson's acid-base concept is used as a guiding principle for controlling the morphology and composition of the formed architectures. The photoelectrochemical properties of the system comprising CdO-CdSe architectures were investigated at various stages of ion exchange intervals. CdO-CdSe architectures on indium tin oxide (ITO) is a promising photoelectrode with excellent photovoltaic properties exhibiting a short-circuit current density of 7.36 mA cm(-2) under 1 Sun illumination.
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