| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 7148927 | Sensors and Actuators B: Chemical | 2013 | 5 Pages |
Abstract
Charge transfer complex (CTC) has been formed between photoluminescent graphene oxide (GO) as electron acceptor and N-methylpyrrolidone (NMP) as electron donor. Studies of UV absorption and photoluminescence (PL) suggest that the formation of CTC results in a red-shift of absorption and a new PL emission. Decay dynamics was described by time-resolved PL spectra and a clear ultrafast charge-transfer process was observed from the PL rise times. The PL of the CTC was sensitive to external components, allowing molecular detection of 7,7,8,8-tetracyanoquinodimethane and 1,3,5-trinitrobenzene up to hundred nanomolar concentration levels through the photoluminescence signals.
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Guoqing Xin, Suhyun Gong, Namhun Kim, Jehyung Kim, Wontae Hwang, Jaewook Nam, Yong-Hoon Cho, Sung Min Cho, Heeyeop Chae,