Question 2752
{"accessible":false,"alternatives":[{"id":13433,"text":"amorphous selenium semiconductor layer"},{"id":13434,"text":"emulsion layer"},{"id":13435,"text":"photodiode semiconductor layer"},{"id":13436,"text":"photomultiplier tube layer"},{"id":13437,"text":"scintillator layer"}],"archived":false,"correctAlternativeId":13435,"explanation":"\u003cp\u003eThe photodiode (hydrogenated amorphous silicon) semiconductor layer is responsible for converting light energy to electrical energy.\u003c/p\u003e\u003cp\u003eScintillator layer - converts x-ray photons to light photons\u003c/p\u003e\u003cp\u003eEmulsion layer - contains silver atoms used in screen film radiography\u003c/p\u003e\u003cp\u003ePhotomultiplier tube - converts light energy to electrical energy in computed radiography readout process.\u003c/p\u003e\u003cp\u003eAmorphous selenium semiconductor layer - converts x-ray energy directly into electrical energy.\u003c/p\u003e","id":2752,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2753","nextQuestionPath":"/articles/direct-digital-radiography/questions/2747","relatedArticles":[{"id":53393,"title":"Computed radiography","link":"/articles/computed-radiography?lang=us"},{"id":31492,"title":"X-ray film","link":"/articles/x-ray-film?lang=us"}],"alsoUsedIn":[{"id":1563,"kind":"RestrictedPage","title":"Page 1563 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/1563"},{"id":2007,"kind":"Course","title":"Imaging Physics: X-ray - page 2007","link":"https://radiopaedia.org/courses/imaging-physics-x-ray/pages/2007"},{"id":2007,"kind":"Course","title":"Imaging Physics: X-ray peer review - page 2007","link":"https://radiopaedia.org/courses/imaging-physics-x-ray-peer-review/pages/2007"}],"stem":"\u003cp\u003eWhich layer converts light energy into electrical energy in the indirect thin-film transistor array?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/2752"}],"attemptsPercentages":[{"alternativeId":"13437","percentage":18},{"alternativeId":"13434","percentage":2},{"alternativeId":"13435","percentage":53},{"alternativeId":"13433","percentage":19},{"alternativeId":"13436","percentage":8}],"promptToLogin":false,"questionManager":false,"articleId":"direct-digital-radiography"}