Open Access Nano Express

CuInS2 quantum dot-sensitized TiO2 nanorod array photoelectrodes: synthesis and performance optimization

Zhengji Zhou, Shengjie Yuan, Junqi Fan, Zeliang Hou, Wenhui Zhou, Zuliang Du and Sixin Wu*

Key Lab for Special Functional Materials of Ministry of Education, Henan University, Kaifeng, 475004, China

For all author emails, please log on.

Nanoscale Research Letters 2012, 7:652  doi:10.1186/1556-276X-7-652

Published: 27 November 2012

Additional files

Additional file 1:

Figure S1. EDS spectrum of the CuInS2 QD-sensitized TiO2 NRA photoelectrode after annealed in sulfur ambiance at 500°C for 30 min. The ratio of Cu/In/S is 1.02:1.00:1.91.

Format: DOC Size: 31KB Download file

This file can be viewed with: Microsoft Word Viewer

Open Data

Additional file 2:

Figure S2. SAED patterns of TiO2 NR (a) and CuInS2 QDs (b).Figure S3. EDS spectra of TiO2 NRA photoelectrode after In2S3 deposition.

Format: DOC Size: 174KB Download file

This file can be viewed with: Microsoft Word Viewer

Open Data

Additional file 3:

Figure S4. Dark current–voltage characteristic curves of CuInS2-based QDSSC with (red dots) and without (black squares) In2S3 buffer. Figure S5. IPCE spectra of CuInS2 QD-sensitized solar cell with different SILAR cycles.

Format: DOC Size: 110KB Download file

This file can be viewed with: Microsoft Word Viewer

Open Data

Additional file 4:

Figure S6. Band diagram of CuInS2 QD-sensitized solar cell. Buffer layers of In2S3 are applied to suppress electron–hole recombination at the interface.

Format: DOC Size: 36KB Download file

This file can be viewed with: Microsoft Word Viewer

Open Data