Bibliographic Details
| Title: |
CdTe Nanocrystal Hetero-Junction Solar Cells with High Open Circuit Voltage Based on Sb-doped TiO2 Electron Acceptor Materials |
| Authors: |
Miaozi Li, Xinyan Liu, Shiya Wen, Songwei Liu, Jingxuan Heng, Donghuan Qin, Lintao Hou, Hongbin Wu, Wei Xu, Wenbo Huang |
| Source: |
Nanomaterials, Vol 7, Iss 5, p 101 (2017) |
| Publisher Information: |
MDPI AG, 2017. |
| Publication Year: |
2017 |
| Collection: |
LCC:Chemistry |
| Subject Terms: |
nanocrystal, solar cells, CdTe, heterojunction, Chemistry, QD1-999 |
| More Details: |
We propose Sb-doped TiO2 as electron acceptor material for depleted CdTe nanocrystal (NC) hetero-junction solar cells. Novel devices with the architecture of FTO/ZnO/Sb:TiO2/CdTe/Au based on CdTe NC and TiO2 precursor are fabricated by rational ambient solution process. By introducing TiO2 with dopant concentration, we are able to tailor the optoelectronic properties of NC solar cells. Our novel devices demonstrate a very high open circuit voltage of 0.74 V, which is the highest Voc reported for any CdTe NC based solar cells. The power conversion efficiency (PCE) of solar cells increases with the increase of Sb-doped content from 1% to 3%, then decreases almost linearly with further increase of Sb content due to the recombination effect. The champion device shows Jsc, Voc, FF, and PCE of 14.65 mA/cm2, 0.70 V, 34.44, and 3.53% respectively, which is prospective for solution processed NC solar cells with high Voc. |
| Document Type: |
article |
| File Description: |
electronic resource |
| Language: |
English |
| ISSN: |
2079-4991 |
| Relation: |
http://www.mdpi.com/2079-4991/7/5/101; https://doaj.org/toc/2079-4991 |
| DOI: |
10.3390/nano7050101 |
| Access URL: |
https://doaj.org/article/d85a4e06430447c1abdf6258ef016197 |
| Accession Number: |
edsdoj.85a4e06430447c1abdf6258ef016197 |
| Database: |
Directory of Open Access Journals |
