Figure 1 (IMAGE) Science China Press Caption (a) The chemical structures of active layer components and the device configuration diagram of the PM type all-PPDs; (b) the normalized photogenerated electron distribution on different cross-sections (5, 15 and 25 nm away from the Al electrode) and the normalized EQE spectrum of PM type all-PPDs. Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.