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| Content Provider | PubMed Central |
|---|---|
| Author | Jia, Yi Zhang, Zexia Xiao, Lin Lv, Ruitao |
| Abstract | A multifunctional device combining photovoltaic conversion and toxic gas sensitivity is reported. In this device, carbon nanotube (CNT) membranes are used to cover onto silicon nanowire (SiNW) arrays to form heterojunction. The porous structure and large specific surface area in the heterojunction structure are both benefits for gas adsorption. In virtue of these merits, gas doping is a feasible method to improve cell’s performance and the device can also work as a self-powered gas sensor beyond a solar cell. It shows a significant improvement in cell efficiency (more than 200 times) after NO2 molecules doping (device working as a solar cell) and a fast, reversible response property for NO2 detection (device working as a gas sensor). Such multifunctional CNT-SiNW structure can be expected to open a new avenue for developing self-powered, efficient toxic gas-sensing devices in the future. |
| Related Links | http://dx.doi.org/10.1186/s11671-016-1514-6 |
| Starting Page | 299 |
| File Format | |
| ISSN | 1556276X |
| e-ISSN | 1556276X |
| Journal | Nanoscale Research Letters |
| Volume Number | 11 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2016-06-14 |
| Access Restriction | Open |
| Rights Holder | Springer US |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Condensed Matter Physics |
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