Cryptic crossword No 2,065

Across

1. Researchers reviewed potential logos, primarily satisfied (15)
2. Cheers ultimately heartened European swimmer (7)
3. A bit of rope I'd lent, when knotted, provides support for climber (7)
4. On the way back, saw fancy pub's drinks - cheers! (7,2)
5. Divorced dad stops painting? (5)
6. Snitches switching sides, seeing improvements? (7)
7. Husband's abandoned outhouse storing a small plant (7)
8. Cardinal's a little unorthodox (5)
9. Statement because of suspect in store (9)
10. Blame wine for relationship (7)
11. Glimpse king on throne, beginning to finally drop off (4-3)
12. Dirty coal's a recurrent source of energy, again and again (7,8)

Down

1. Double money for service in recession (4)
2. Dressed crab looks absolutely delicious to begin with (4)
3. Deep river briefly holds up child soldiers (8)
4. Tension after note's left behind by lover (6)
5. Strange layer of unknown matter philosopher detailed originally (8)
6. Nation that produces unlimited sugar? (6)
7. Handle Queen punching American celebrity (8)
8. Is love dead? Daughter's lonely (8)
9. A nasty poster renouncing River Island (5)
10. Ring Frenchman to make serious complaint (8)
11. The atmosphere of a country? (8)
12. Prime Minister's time to conceal closure of STEM courses (8)
13. I care for postal service (3,5)
14. Show feeling a long way off, director conclusively quits (5)
15. Gathering round, hang President (6)
16. Menopausal verger carrying tray (6)
17. Can it work for grass? (4)
18. Unwell Queen skips piece of cake (4)