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. 2021 Jun 19;8(15):2002211. doi: 10.1002/advs.202002211

Figure 2.

Figure 2

Photocatalytic performance and energy conversion under the NIRL irradiation. A) Transient photocurrent response plots of CTO/RP P–N heterojunction compared with those of Ti, CTO, and RP by electrochemical workstation through adopting 5 cycles of 808 nm NIRL on/off. B) The ROS generation versus time of CTO/RP P–N heterojunction compared with that of Ti, CTO, and RP shows the enhanced photocatalysis by CTO/RP heterojunction. C) The ESR spectra of •OH and three lines with the intensities of 1:1:1 (1O2) trapped by DMPO (0.1 m) and TEMP (50 × 10−3 m), respectively, after irradiated CTO/RP heterojunction with spin traps under NIRL for 20 min. D) Heating curves versus time comparison of CTO/RP and the other samples with NIRL irradiation show the enhanced photothermal ability of CTO/RP. And the inserted thermal images show the detected temperature of corresponding samples after NIRL irradiation for 20 min. E) Photothermal stability of CTO/RP by adopting 5 cycles of NIRL on/off. F) Schematic diagram of heat and 1O2 release under 808 nm NIRL irradiation.